CN109553502A - Fertilizer special for celery cabbages and preparation method thereof - Google Patents
Fertilizer special for celery cabbages and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/36—Layered or coated, e.g. dust-preventing coatings layered or coated with sulfur
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The present invention provides a kind of fertilizer special for celery cabbages, it is characterised in that: using sulphur as inorganic coating material, sulfur coating layer quality is the 10%-25% of gross mass；It include 0.10 part -0.15 part of N-(n-butyl) thiophosphoric triamide, 0.10 part -0.40 part of dicyandiamide in coating, in terms of mass fraction.The present invention combines chemical fertilizer with high-quality organic fertilizer, the various nutrients special procured rich in Chinese Cabbage, it long-acting can meet Chinese cabbage difference growth and development stage to the needs of nutrient, effectively improve Chinese Cabbage Yield, improve the nutritional quality and flavor of Chinese cabbage.
Description
Technical field
The present invention relates to fertilizer field, in particular to one kind is exclusively used in fertilizer special for celery cabbages and preparation method thereof.
Background technique
Generally existing chemical fertilizer input amount is excessive in the production of China vegetables, the low problem of utilization rate of fertilizer.As utilization rate of nitrogen fertilizer is
30%-35%, phosphate fertilizer utilization efficiency 10%-20%, potassium utilization rate 35%-50%.Since nitrogenous fertilizer acts on vegetable increase production
Significantly, nitrogen fertilizer amount is excessively especially prominent, and a large amount of unemployed nitrogenous fertilizer enter water body by eluviation and water body richness is caused to be sought
Feedingization, or volatilization lead to air pollution, or deposition is in the soil, cause Soil Nitrate, nitrite enrichment, cause soil sour
A series of ecological problems such as change, salinization, underground water pollution.Excessive fertilization not only reduces the economic benefits at vegetable cultivation family,
Environmental pollution is brought, and the food high containing nitrate, nitrite is eaten for a long time, it is strong to will affect human body by food chain
Health, serious person cause canceration.
Chinese cabbage (Brassica rapa L.ssp.Pekinensis (Lour.) Hanelt) is Cruciferae Brassica genus
(Brasscia) one of most important vegetable crop, originates in China in, is one of maximum vegetable crop of China's cultivated area,
Distribution area is wide, and yield is high, storage tolerance, and the supply phase is long, full of nutrition, eating method multiplicity, the vegetables production and daily in China
Space of top prominence is accounted in consumption.National cultivated area has reached 2557.9 thousand hectares within 2012, and shelter has vegetables first.Chinese cabbage removes
Except eating as vegetables for people, also have effects that clearing heat and relieving fidgetness, diuresis of quenching one's thirst, tonneau stomach, often eating Chinese cabbage can
Prevent vitamin C deficiency (scurvy).
The fertilizer of Chinese cabbage application currently on the market is mainly conventional fertilizers kind, such as simple substance urea, calcium superphosphate, chlorination
Potassium and N P and K ternary compound fertilizer etc. are generally free of middle and trace element, and not only fertilizer specific aim is poor, fails sufficiently to send out
The yield increasing effect of fertilizer is waved, moreover, Chinese cabbage breeding time or harvest time are longer, needs multiple top dressing, it is time-consuming, also increase life
Produce cost.
Summary of the invention
The present invention provides a kind of dedicated fertilizers for improving Chinese cabbage nutritional quality and flavor.
The purpose of the present invention is what is realized by following measures:
A kind of fertilizer special for celery cabbages, it is characterised in that: using sulphur as coated fertilizer, sulfur coating layer quality is gross mass
10%-25%；It include 0.10 part -0.15 part of N-(n-butyl) thiophosphoric triamide (nBPT), dicyandiamide (DCD) 0.10 in coating
- 0.40 part of part, in terms of mass fraction.
It further, further include 10 parts -17 parts of urea, 9 parts -13 parts of monoammonium phosphate, 6 part -9 of potassium dihydrogen phosphate in fertilizer
Part, 18 parts -20 parts of potassium chloride, 2 parts -4 parts of magnesium sulfate, 0.3-0.6 parts of ammonium molybdate, 3 parts -4 parts of borax, 1.1 part -1.5 of zinc sulfate
Part, 2.1-2.3 parts of calcium chloride, 3 parts -5 parts of peanut meal, 5 parts -8 parts of wormcast, 4-9 parts of turf, in terms of mass fraction.
Fertilizer core main component provided by the invention is N, P, K, sulphur and it is a small amount of in microelement and urase, nitrification inhibit
Agent, nitrogen nutrient form include ammonium nitrogen, nitrate nitrogen, amidonitrogen, are for dedicated made of the research and development of Chinese cabbage uptake characters
Coating type fertilizer promotes absorption and combination to nitrogen, thionin using the coated fertilizer of sulfur-bearing, improves cystine in Chinese cabbage body
And methionine, volatile matter content, improve the nutritional quality and flavor of Chinese cabbage.
Chinese cabbage is the sensitive crop of sulphur, needs sulfur content height；Sulphur is the main component of vegetable egg white matter, in Chinese cabbage amino acid
In, there are about 90% sulphur contained in amino acid, and the amino acid of sulfur-bearing has methionine and cystine etc..The present invention improves methionine
With the content of cystine, the nutritional quality of Chinese cabbage is improved.Meanwhile glucosinolate and its catabolite are the masters of Chinese cabbage
Active constituent is wanted, delicate flavour is as caused by glucosinolate catabolite isothiocyanates.In addition, in volatile materials
Compound such as sulfuric acid Aden basic ring pentyl ester, 4- methylthio butanenitrile, phenethyl isosulfocyanate and isothiocyanic acid ring pentyl ester etc. is also
Sulfur-containing compound, they decide the flavor and nutritional quality of Chinese cabbage.
Preferably, above-mentioned fertilizer special for celery cabbages, nBPT purity >=97.0%, DCD purity >=99.5%.
Preferably, 15 parts of urea, 11 parts of monoammonium phosphate, 7 parts of potassium dihydrogen sulfate, 18 parts of potassium chloride, 3 parts of magnesium sulfate, molybdic acid
0.45 part of ammonium, 3 parts of borax, 1.35 parts of zinc sulfate, 2.18 parts of calcium chloride, 4 parts of peanut meal, 6 parts of wormcast, 6 parts of turf.
Above-mentioned fertilizer special for celery cabbages further includes 1 part -2 parts of zeolite, in terms of mass fraction.Zeolite is as a kind of porous
Aluminium silicate mineral has the characteristics that large specific surface area, mineral surfaces negative electrical charge are abundant, pore structure is good, adsorbs well
Fertilizer can organically be combined with soil, give full play to the fertility of fertilizer and soil by the elements such as nitrogen, phosphorus, potassium.
Preferably, above-mentioned fertilizer urea contains N >=46%；Monoammonium phosphate contains N >=10%, contains P2O5>=50%；Potassium dihydrogen phosphate
Containing P2O5>=50%, K2O >=30%；Potassium chloride contains K2O >=60%；Magnesium sulfate contains Mg >=9.5%；Ammonium molybdate contains Mo >=49%；Boron
Sand contains B >=9%；Zinc sulfate contains Zn >=21%；Calcium chloride contains Ca >=55%.
Further, in order to make the release of fertilizer equilibrium, it is preferable that above-mentioned peanut meal particle≤0.4mm, wormcast particle≤
0.4mm, turf particle≤0.25mm, zeolite granular≤0.25mm；It is highly preferred that above-mentioned peanut meal grain diameter is 0.1-
0.25mm, wormcast particle partial size be 0.1-0.25mm, the partial size of turf particle is 0.1-0.25mm, zeolite granular partial size is
0.1mm。
In addition, the present invention has the effect of the nutrient in soil and fertilizer effectively to slow down release and conversion, control
Nitration reaction speed processed reduces ammonia loss by volatilization, improves utilization rate of fertilizer, and nitrogenous fertilizer yield increase effect is made to reach maximum；It can also reduce
Soil and Nitrate in Vegetable and content of nitrite, improve crops quality, while reduce nitrogen fertilizer application amount it is excessively high when to soil,
The pollution of underground water and air.
Another object of the present invention is to provide the preparation methods of above-mentioned fertilizer special for celery cabbages.
The preparation method of above-mentioned fertilizer special for celery cabbages, comprising the following steps:
(1) it weighs: weighing following components: 0.10 part -0.15 of N-(n-butyl) thiophosphoric triamide (nBPT) according to mass fraction
Part, 0.10 part -0.40 part of dicyandiamide (DCD), 10 parts -17 parts of urea, 9 parts~13 parts, 6 part -9 of potassium dihydrogen phosphate of monoammonium phosphate
Part, 18 parts -20 parts of potassium chloride, 2 parts -4 parts of magnesium sulfate, 0.3-0.6 parts of ammonium molybdate, 3 parts -4 parts of borax, 1.1 part -1.5 of zinc sulfate
Part, 2.1-2.3 parts of calcium chloride, 3 parts -5 parts of peanut meal, 5 parts -8 parts of wormcast, 4-9 parts of turf, 1 part -2 parts of zeolite, with mass parts
Number meter；
(2) preparation of organic double compound: the peanut meal, wormcast and turf of the amount are mixed, and 1 part of -2 parts of urine is added
Element stirs evenly, and isometric H that concentration is 2-3mol/L is then added2SO4、H3PO4And HNO3The rapidly-decomposing of composition,
The peanut meal, wormcast, the organic mixture of turf and urea and the distintegrant mass ratio are 1:0.4-0.5, are sufficiently stirred
Uniform, reaction is mixed, decomposed organic double compound is obtained；
(3) N-(n-butyl) thiophosphoric triamide, dicyandiamide, monoammonium phosphate, the sulfuric acid of the amount preparation of inorganic composite: are taken
Potassium dihydrogen, potassium chloride, magnesium sulfate, ammonium molybdate, borax, zinc sulfate and calcium chloride mixing, are incorporated as 0.5-1 times of the mixture and measure
Water, made it dissolve at 50-60 DEG C, through cooling, dehydration and drying, obtain N P and K microelement inorganic composite；
(4) inorganic composite made from organic double compound made from step (2), step (3) and surplus urea are mixed equal
It is even, crush, grain diameter 0.1-0.25mm zeolite is added, stirs evenly and is transported in granulating disc and be granulated, is granulated and completes
Make its regular movement on granulating disc again again afterwards, equably by a series of heated nozzles by 156-160 DEG C of melting molten sulphur
It is sprayed into fertiliser granulates surface, sulphur film thickness is greater than 45 μm, and sulphur film weight accounts for about the 10-25% of fertilizer total weight, can obtain greatly
Chinese cabbage sulphur clothing coating complex fertilizer.
Beneficial effect
1. the present invention combines chemical fertilizer with high-quality organic fertilizer, the various nutrition member special procured rich in Chinese Cabbage
Element, long-acting can meet Chinese cabbage difference growth and development stage to the needs of nutrient, wherein nitrogen, phosphorus, potassium total nutrient >=28%, sulphur
15%, organic matter >=10% effectively improves Chinese Cabbage Yield, improves the nutritional quality and flavor of Chinese cabbage.The present invention also contains
There is microelement in calcium, magnesium, zinc, boron etc., reduces Chinese cabbage tipburn, suberification, not the physiology venereal disease such as balling or soft junction ball
Evil.
2. the various nutrients that the present invention is special procured rich in Chinese Cabbage improve Chinese Cabbage period regulation of fertilizer requirement
Identical property, long-acting can meet Chinese cabbage difference growth and development stage to the needs of nutrient, to improve utilization rate of fertilizer
And yield of vegetables.Utilization rate of fertilizer of the present invention is high, can reach 50-73% to the utilization of nitrogenous fertilizer.Fertilizer efficiency time of the present invention is long, reaches
80-100 days or more.The harvest time for cooperating Chinese cabbage, is able to satisfy Chinese cabbage difference growth and development stage to the needs of nutrient.Have
Effect reduces Fertilizer application amount and fertilizer application frequency, reduction production cost, reduces environmental pollution.
3. the present invention effectively improves Chinese Cabbage Yield and quality, the Vitamin C content of Chinese cabbage leaf, Chinese cabbage amino
Acid, sweet taste amino acid, Fresh ear field, characteristic flavor substance 2- cyclohexene -1- alcohol, 2- hexenoic aldehyde, blatter alcohol
(Z/E), benzenepropanenitrile, phenethyl isosulfocyanate content, content of reducing sugar effectively improve, and Chinese cabbage leaf nitrate content drops
It is low.
4. raw material sources of the present invention are extensive, product manufacture is simple, and equipment investment is less；Utilization rate height, fertilizer efficiency time
It grows and is readily biodegradable, it is environmentally friendly.The present invention can slow down hydrolysis of urea, reduce NH4 +- N is converted to NO3 -- N is reduced
The leaching loss amount of nitrogen nutrient reduces or slows down the release and conversion rate of nutrient, improves this season utilization rate of nutrient.
5. the present invention is nuisanceless, environmentally friendly and raising Soil Nitrogen, sulphur, available potassium nutrient content；And it can be effectively reduced
Ammonia volatilization cumulant.
6. Chinese cabbage fertilizer provided by the invention is used cooperatively by element sulphur and with other components, can not only promote
Into the absorption to nitrogen, the nutritional quality and flavor of Chinese cabbage can also be improved.The fertilizer nutrient release is slow, nutrient loss
Less and be conducive to being absorbed and utilized for Chinese cabbage, have the characteristics that nutrients release is synchronous with Chinese cabbage absorption, single-dose application meets
Entire breeding time needs fertilizer to require, while also improving fertilizer utilization efficiency with field ammonia volatilization amount is reduced, reducing cost, reduces
The important function such as environmental pollution.
Detailed description of the invention
Fig. 1 field experiment figure
Specific embodiment
The present invention is specifically described below by embodiment, it is necessary to which indicated herein to be, following embodiment is only
It is used to further illustrate the present invention, should not be understood as limiting the scope of the invention, field technical staff can
To make some nonessential modifications and adaptations to the present invention according to aforementioned present invention content.
Embodiment 1
A kind of Chinese cabbage special fertilizer, using sulphur as inorganic coating material, fertilizer formula are as follows: 12 parts of urea, monoammonium phosphate 11
Part, 7 parts of potassium dihydrogen phosphate, 18 parts of potassium chloride, 2.2 parts of calcium chloride, 3 parts of magnesium sulfate, 0.5 part of ammonium molybdate, 3 parts of borax, zinc sulfate
1.6 parts, 5 parts of peanut meal, 6 parts of wormcast, 4 parts of turf, 0.12 part of N-(n-butyl) thiophosphoric triamide, 0.35 part of dicyandiamide, zeolite 1
Part is raw material, with parts by weight content meter.Wherein: nBPT purity >=97.0%, DCD purity >=99.5%, urea containing N >=
46%；Monoammonium phosphate contains N >=10%, contains P2O5>=50%；Potassium dihydrogen phosphate contains P2O5>=50%, K2O >=30%；Potassium chloride contains
K2O >=60%；Magnesium sulfate contains Mg >=9.5%；Ammonium molybdate contains Mo >=49%；Borax contains B >=9%；Zinc sulfate contains Zn >=21%；Chlorine
Change calcium and contains Ca >=55%, peanut meal particle≤0.4mm, wormcast particle≤0.4mm, turf particle≤0.25mm, zeolite granular
≤0.25mm。
Fertilizer is prepared according to the following steps:
(1) preparation of organic double compound: the peanut meal, wormcast and turf of the amount are mixed, and 1%-2% urine is added
Element stirs evenly, and isometric H that concentration is 2-3mol/L is then added2SO4、H3PO4And HNO3The rapidly-decomposing of composition,
The peanut meal, wormcast, the organic mixture of turf and urea and the distintegrant mass ratio are 1:0.4-0.5, are sufficiently stirred
Uniform, reaction is mixed, decomposed organic double compound is obtained；
(2) N-(n-butyl) thiophosphoric triamide (nBPT), the dicyandiamide (DCD), phosphorus of the amount preparation of inorganic composite: are taken
Sour monoammonium, potassium dihydrogen sulfate, potassium chloride, magnesium sulfate, ammonium molybdate, borax, zinc sulfate and calcium chloride mixing, are incorporated as the mixing
0.5-1 times of the object water measured, makes it dissolve at 50-60 DEG C, and through cooling, dehydration and drying, it is inorganic multiple to obtain N P and K microelement
Close object；
(3) inorganic composite made from organic double compound made from step (1), step (2) and surplus urea are mixed equal
It is even, crush, grain diameter 0.1-0.25mm zeolite is added, stirs evenly and is transported in granulating disc and be granulated, is granulated and completes
Make its regular movement on granulating disc again again afterwards, equably by a series of heated nozzles by 156-160 DEG C of melting molten sulphur
It is sprayed into fertiliser granulates surface, usually makes sulphur film thickness at 45 μm or so, sulphur film weight accounts for about the 15% of weight of fertilizer, can obtain
Chinese cabbage special fertilizer.
Field experiment is carried out in October, 2015 in the Chongqing City wall mountain area town Ba Tang vegetables Demonstration Base.Control group is common
Ternary compound fertilizer (NPK nutrients ratio is 14-16-15), for the commodity of Guizhou the West company production.Chinese cabbage sulphur clothing coating is dedicated
Fertilizer and common ternary compound fertilizer dose are 50kg/ mus.Chinese cabbage sulphur clothing coating dedicated fertilizer makees base manure and disposably applies soil
Earth.40% base manure of common ternary compound fertilizer, top dressing 2 times each 30%.
Its yield, Vitamin C content, amino acid composition and content, content of reducing sugar, nitre are measured after Chinese cabbage maturation harvest
Phosphate content, volatile matter content, soil nutrient content, and calculate utilization rate of nitrogen fertilizer and number of bacteria.
Measurement nitrate content is sent out using uv-spectrophotometric, with 2,6- dichloroindophenol titration measuring Vc content, is used
3,5- dinitrosalicylic acid colour developings-spectrophotometry measures reduced sugar, measures free amine group with ninhydrin colour developing-spectrophotometry
Acid content.Sweet taste amino acid, Fresh ear field etc. are measured with Hitachi 835-50 automatic amino acid analyzer, and volatile materials uses
Gas chromatograph for determination.
Soil alkali-hydrolyzable nitrogen is measured using diffusion method, and soil available nitrogen is extracted using ammonium acetate, flame sectional light absorbance technique determining,
Soil available phosphorus is extracted using sodium bicarbonate, spectrophotometry measurement.Soil available k measurement uses glacial acetic acid-biphosphate
Calcium extracts, then carries out barium sulfate turbidimetry measurement.
Utilization rate of nitrogen fertilizer is merely representative of the nitrogenous fertilizer being manured into soil, and by being converted into soil nitrogen fertility, then part is by crop
It absorbs, the nitrogen that crop absorbs aerial part accounts for the ratio of amount of nitrogen from the part of fertilizer；Utilization rate of nitrogen fertilizer does not indicate to apply
Nitrogenous fertilizer overall utilization, the nitrogenous fertilizer being manured into soil also supplements regime of soil nitrogen nutrition, maintains edaphon etc. a series of
Effect.
Calculation method (minusing): REN=(U-U0)/FN
Wherein REN is utilization rate of nitrogen fertilizer (%), and U is the suction nitrogen total amount of overground part when nitrogen fertilizer application crop harvests, U0Not apply
The suction nitrogen total amount of nitrogenous fertilizer crop harvest time overground part, FN represent the input amount of fertilizer nitrogen.
After being handled using fertilizer special for celery cabbages described in embodiment 1, field test results are as follows:
(1) Chinese Cabbage Yield is 7427-7724kg/667m2, increase production 12.49%-13.98% than control.
(2) Vitamin C content is 33.20-38.73mg/100g, improves 14.89%-18.21% than control；
(3) amino acid content of Chinese cabbage is 16392.25-17739.2mg/kg, is improved than control (14255.3mg/kg)
14.99%-17.01%, wherein sweet taste amino acid content is 3819.38-4133.23mg/kg, and relatively control increases control
16.44%-26.01%；Fresh ear field content is 5350.41-5790.07mg/kg, and relatively control increases 16.82%-
25.40%.
(4) flavor substance 2- cyclohexene -1- alcohol, 2- hexenoic aldehyde, blatter alcohol (Z/E), benzenepropanenitrile, the different sulphur of phenethyl
The sum of cyanic acid ester content is 4682.10-8016.35ug/L, relatively compares (3129.58ug/L) and increases 49.61%-
156.15%.
(5) the reducing sugar content of Chinese cabbage is 3.33%-4.02%, improves 48.83%-52.21%% than control；
After being handled using this dedicated fertilizer, Chinese cabbage leaf nitrate content is 1435.2-1642.9mg/kg, is had dropped than control
50.21%-52.27%.
(6) utilization rate of nitrogen fertilizer reaches 53.91%-68.43%.Fertilizer efficiency time reaches 90 days or more, and relatively control increases
581.05%-640.28%, number of bacteria are 48.6-51.0 × 105Cfu/g increases 256.52%- compared with control
341.8%.
(7) total nitrogen content of soil is 1.620-1.648g/kg, than the total soil nitrogen amount after application Common compound fertilizer
(1.375g/kg) high 17.82-19.85%, effective sulfur content is 90.32-100.79mg/kg in soil, common more compound than applying
Available Sulphur Content in Soil (76.58g/kg) high 17.94-31.61% after fertilizer；Quick-acting potassium content in soil is 266.7-
268.2mg/kg is 22.47-23.16% higher than the available potassium in soils content (217.76g/kg) after application Common compound fertilizer.
(8) in the incubation of ammonia volatilization test, the Common compound fertilizer ammonia volatilization cumulant of 92d measurement is
583.62mg/kg, and this fertilizer special for celery cabbages ammonia volatilization cumulant is 391.40mg/kg, it is more tired than Common compound fertilizer ammonia volatilization
Accumulated amount reduces 49.11%, it can be seen that ammonia volatilization cumulant can be effectively reduced in the present invention.
(9) Tipburn Disease of Chinese Cabbage strain rate is 5%-8%, and relatively control reduces 2%-15%, and balling is fast, virosis, downy mildew
Disease and soft rot disease incidence significantly reduce.
Embodiment 2
A kind of Chinese cabbage special fertilizer, using sulphur as inorganic coating material, fertilizer formula are as follows: 15 parts of urea, monoammonium phosphate 13
Part, 9 parts of potassium dihydrogen phosphate, 20 parts of potassium chloride, 2.1 parts of calcium chloride, 4 parts of magnesium sulfate, 0.6 part of ammonium molybdate, 4 parts of borax, zinc sulfate
1.2 parts, 3.8 parts of peanut meal, 5 parts of wormcast, 7 parts of turf, 0.13 part of N-(n-butyl) thiophosphoric triamide, 0.28 part of dicyandiamide, boiling
2 parts of stone are raw material, based on parts by weight；Peanut meal grain diameter is 0.1-0.25mm, the partial size of wormcast particle is 0.1-
0.25mm, turf particle partial size be 0.1-0.25mm, zeolite granular partial size is 0.1mm.
Fertilizer is prepared according to the following steps:
(1) preparation of organic double compound: the peanut meal, wormcast and turf of the amount are mixed, and 1 part of -2 parts of urine is added
Element stirs evenly, and isometric H that concentration is 2-3mol/L is then added2SO4、H3PO4And HNO3The rapidly-decomposing of composition,
The peanut meal, wormcast, the organic mixture of turf and urea and the distintegrant mass ratio are 1:0.4-0.5, are sufficiently stirred
Uniform, reaction is mixed, decomposed organic double compound is obtained；
(2) N-(n-butyl) thiophosphoric triamide (nBPT), the dicyandiamide (DCD), phosphorus of the amount preparation of inorganic composite: are taken
Sour monoammonium, potassium dihydrogen sulfate, potassium chloride, magnesium sulfate, ammonium molybdate, borax, zinc sulfate and calcium chloride mixing, are incorporated as the mixing
0.5-1 times of the object water measured, makes it dissolve at 50-60 DEG C, and through cooling, dehydration and drying, it is inorganic multiple to obtain N P and K microelement
Close object；
(3) inorganic composite made from organic double compound made from step (1), step (2) and surplus urea are mixed equal
It is even, crush, grain diameter 0.1-0.25mm zeolite is added, stirs evenly and is transported in granulating disc and be granulated, is granulated and completes
Make its regular movement on granulating disc again again afterwards, equably by a series of heated nozzles by 156-160 DEG C of melting molten sulphur
It is sprayed into fertiliser granulates surface, sulphur film thickness is 45 μm, and sulphur film weight accounts for about the 25% of weight of fertilizer, and it is dedicated can to obtain Chinese cabbage
Fertilizer.
Field experiment is carried out in March, 2016 in Chongqing City, Guilin town, Tongnan dam village vegetables Demonstration Base.Control group is
Common ternary compound fertilizer (NPK nutrients ratio is 14-16-15), for the commodity of Guizhou the West company production.Chinese cabbage sulphur clothing coating
Dedicated fertilizer and common ternary compound fertilizer dose are 50kg/ mus.Chinese cabbage sulphur clothing coating dedicated fertilizer is made base manure and is disposably applied
Enter soil.40% base manure of common ternary compound fertilizer, top dressing 2 times each 30%.
Measuring method such as embodiment 1.
After being handled using fertilizer special for celery cabbages described in embodiment 2, field test results are as follows:
(1) Chinese Cabbage Yield is 7362-7893kg/667m2, increase production 12.29%-14.24% than control；
(2) Vitamin C content is 35.77-39.01mg/100g, improves 15.29%-19.92% than control；
(3) amino acid content of Chinese cabbage is 17214.9-18234.62mg/kg, is improved than control (14942.2mg/kg)
15.21%-17.88%, wherein sweet taste amino acid content is 4011.07-4248.66mg/kg, and relatively control increases control
18.0%-24.91%；Fresh ear field content is 5618.94-5951.77mg/kg, and relatively control increases 17.62%-24.6%；
(4) flavor substance 2- cyclohexene -1- alcohol, 2- hexenoic aldehyde, blatter alcohol (Z/E), benzenepropanenitrile, the different sulphur of phenethyl
The sum of cyanic acid ester content is 4423.88-6989.16ug/L, relatively compares (3017.81ug/L) and increases 46.58%-
131.60%.
(5) the reducing sugar content of Chinese cabbage is 3.66%-4.28%, improves 49.52%-55.01%% than control；
Chinese cabbage leaf nitrate content is 1489.2-1612.3mg/kg, has dropped 50.61%-54.15% than control.
(6) utilization rate of nitrogen fertilizer reaches 50.93%-72.02%.Fertilizer efficiency time reaches 90 days or more, and relatively control increases
569.14%-599.79%, number of bacteria are 49.0-52.0 × 105Cfu/g increases 308.33- compared with control
333.33%.
(7) total nitrogen content of soil is 1.682-1.703g/kg, than the total soil nitrogen amount after application Common compound fertilizer
(1.299g/kg) high 29.5-31.1%, effective sulfur content is 87.94-99.02mg/kg in soil, than applying Common compound fertilizer
Available Sulphur Content in Soil (75.32g/kg) high 16.76-31.47% afterwards；Quick-acting potassium content in soil is 257.20-
271.44mg/kg is 18.84-25.42% higher than the available potassium in soils content (216.42g/kg) after application Common compound fertilizer.
(8) in ammonia volatilization incubation, the Common compound fertilizer ammonia volatilization cumulant of 92d measurement is 578.10mg/kg,
And this fertilizer special for celery cabbages ammonia volatilization cumulant is 359.92mg/kg, is reduced than Common compound fertilizer ammonia volatilization cumulant
37.74%, it can be seen that ammonia volatilization cumulant can be effectively reduced in the present invention.
(9) Tipburn Disease of Chinese Cabbage strain rate is 5%-9%, and relatively control reduces 1%-15%, and balling is fast, virosis, downy mildew
Disease and soft rot disease incidence significantly reduce.
Embodiment 3
A kind of fertilizer special for celery cabbages, using sulphur as inorganic coating material, formula are as follows: urea 11 based on parts by weight
Part, 13 parts of monoammonium phosphate, 6 parts of potassium dihydrogen phosphate, 18 parts of potassium chloride, 2.1 parts of calcium chloride, 3 parts of magnesium sulfate, 0.5 part of ammonium molybdate, boron
3 parts of sand, 1.3 parts of zinc sulfate, 4 parts of peanut meal, 6 parts of wormcast, 4 parts of turf, 0.1 part of N-(n-butyl) thiophosphoric triamide, dicyandiamide
0.24 part, 1 part of zeolite is raw material.By preparation method described in embodiment 1, by the organic matter mixed fermentation, inorganic matter dissolution, mix
Close uniformly, finally by the organic matter of fermentation maturity and inorganic matter co-grinding, be added zeolite stir evenly, is granulated it is obtained.
Field experiment is carried out in October, 2016 in Chongqing City, Guilin town, the Tongnan County village Shuan Ba vegetables model base.Control group is
Common ternary compound fertilizer (NPK nutrients ratio is 14-16-15), for the commodity of Guizhou the West company production.Chinese cabbage sulphur clothing coating
Dedicated fertilizer and common ternary compound fertilizer dose are 50kg/ mus.Chinese cabbage sulphur clothing coating dedicated fertilizer is made base manure and is disposably applied
Enter soil.40% base manure of common ternary compound fertilizer, top dressing 2 times each 30%.
Measuring method such as embodiment 1.
After being handled using fertilizer special for celery cabbages described in embodiment 3, field test results are as follows: Chinese Cabbage Yield 7236-
7894kg/667m2, increase production 9.3%-15.98% than control；Vitamin C content is 34.8-37.5mg/100g, is improved than control
13.04%-16.19%；The amino acid content of Chinese cabbage is 16033-16572mk/kg, is mentioned than control (14285.8mg/kg)
High 12.23%-17.29%, wherein sweet taste amino acid content is 3735.69-3861.28mg/kg, and relatively control increases control
15.70%-19.5%；Fresh ear field content is 5233.17-5409.10mg/kg, and relatively control increases 14.8%-18.6%；
Its flavor substance 2- cyclohexene -1- alcohol, 2- hexenoic aldehyde, blatter alcohol (Z/E), benzenepropanenitrile, phenethyl isosulfocyanate content
The sum of 4275.07-7608.98ug/L, relatively compare (1982.87ug/L) increase 115.6%-283.74%, Chinese cabbage flavor
Quality is improved, and influences its flavor substance compound 2- cyclohexene -1- alcohol, 2- hexenoic aldehyde, blatter alcohol (Z/E), phenylpropyl alcohol
Nitrile, phenethyl isosulfocyanate changes of contents are different and obvious.The reducing sugar content of Chinese cabbage is 3.08%-3.72%, than
Control improves 32.94%-52.57%%；Chinese cabbage leaf nitrate content is 1498-1679.40mg/kg, is declined than control
50.25%-53.67%.Utilization rate of nitrogen fertilizer reaches 53.89%-70.11%, and fertilizer efficiency time reaches 90 days or more, and relatively control increases
Add 498%-639%.Number of bacteria is that number of bacteria is 50.3~52.2 × 105Cfu/g is increased compared with control
357.27%~374.55%.Total nitrogen content of soil is 1.532-1.698g/kg, than the total soil nitrogen after application Common compound fertilizer
(1.301g/kg) high 17.76-30.51% is measured, effective sulfur content is 85.20-94.11mg/kg in soil, common more multiple than applying
Available Sulphur Content in Soil (74.01g/kg) high 15.12-27.16% behind Hefei；Quick-acting potassium content in soil is 262.81-
269.46mg/kg is 24.98-28.14% higher than the available potassium in soils content (210.28g/kg) after application Common compound fertilizer.?
In ammonia volatilization incubation, the Common compound fertilizer ammonia volatilization cumulant of 92d measurement is 586.21mg/kg, and this Chinese cabbage is special
It is 359.86mg/kg with fertilizer ammonia volatilization cumulant, reduces 38.61% than Common compound fertilizer ammonia volatilization cumulant, it can be seen that
Ammonia volatilization cumulant can be effectively reduced in the present invention.Tipburn Disease of Chinese Cabbage strain rate is 5%-8%, and relatively control reduces 2%-15%,
Balling is fast, and virosis, downy mildew and soft rot disease incidence significantly reduce.
Embodiment 4
A kind of fertilizer special for celery cabbages, using sulphur as inorganic coating material, formula are as follows: with the urea of parts by weight content meter
13 parts, 10 parts of monoammonium phosphate, 7 parts of potassium dihydrogen phosphate, 19 parts of potassium chloride, 2.1 parts of calcium chloride, 2 parts of magnesium sulfate, 0.6 part of ammonium molybdate,
4 parts of borax, 1.4 parts of zinc sulfate, 3 parts of peanut meal, 5 parts of wormcast, 6 parts of turf, 0.13 part of N-(n-butyl) thiophosphoric triamide, double cyanogen
0.35 part of amine, 1 part of zeolite be raw material, it is obtained by preparation method described in embodiment 1.
Field experiment is carried out in October, 2017 in seven pool vegetables Demonstration Base of Chongqing City Bishan.Control group is common ternary
Compound fertilizer's (NPK nutrients ratio is 14-16-15), for the commodity of Guizhou the West company production.Chinese cabbage sulphur clothing coating dedicated fertilizer
It is 50kg/ mus with common ternary compound fertilizer dose.Chinese cabbage sulphur clothing coating dedicated fertilizer makees base manure and is disposably manured into soil.It is general
Logical 40% base manure of ternary compound fertilizer, top dressing 2 times each 30%.
Measuring method such as embodiment 1.
After being handled using fertilizer special for celery cabbages described in embodiment 4, field test results are as follows:
Chinese Cabbage Yield is 7387-7702kg/667m2, increase production 10.38%-12.98% than control；It is dedicated slow using this
After controlling/releasing complex fertilizer processing, Vitamin C content 34.29-36.35mg/100g improves 12.34%- than control
16.83%；The amino acid content of Chinese cabbage is 15898-16224mg/kg, improves 13.59%- than control (13996mg/kg)
16.21%, wherein sweet taste amino acid content is 3704.23-3780.19mg/kg, and relatively control increases control 16.67%-
19.06%；Fresh ear field content is 5189.11-5295.51mg/kg, and relatively control increases 15.28%-17.65%；Its flavor
The sum of substance 2- cyclohexene -1- alcohol, 2- hexenoic aldehyde, blatter alcohol (Z/E), benzenepropanenitrile, phenethyl isosulfocyanate content are
5138.62-8165.47ug/L relatively control (3942.14ug/L) increases 30.35%-107.13%.The reproducibility of Chinese cabbage
Sugared content is 2.67%-3.59%, improves 30.94%-48.29%% than control；Chinese cabbage leaf nitrate content is
1482.27-1602.45mg/kg having dropped 48.29%-50.53% than control.Utilization rate of nitrogen fertilizer reaches 50.27%-
65.52%.Fertilizer efficiency time reaches 90 days or more, and relatively control increases 502.37%-642.01%.Number of bacteria is that soil is thin
Bacterium number amount is 55.16-57.04 × 105Cfu/g increases 359.67%~375.33% compared with control.Total nitrogen content of soil is
1.592-1.724g/kg, soil 19.43-29.33% higher than the total soil nitrogen amount (1.333g/kg) after application Common compound fertilizer
Middle effective sulfur content is 87.28-95.17mg/kg, than the available Sulphur Content in Soil (73.57g/kg) after application Common compound fertilizer
High 18.64-29.36%；Quick-acting potassium content in soil is 272.26-279.11mg/kg, than the soil after application Common compound fertilizer
The effective potassium content of earth (209.34g/kg) high 30.01-33.33%.In ammonia volatilization incubation, 92d is measured common multiple
Ammonia volatilization cumulant in Hefei is 579.10mg/kg, and this fertilizer special for celery cabbages ammonia volatilization cumulant is 352.23mg/kg, than
Common compound fertilizer ammonia volatilization cumulant reduces 39.18%, it can be seen that ammonia volatilization cumulant can be effectively reduced in the present invention.Chinese cabbage
Tipburn Disease strain rate is 5%-8%, and relatively control reduces 2%-15%, and balling is fast, and virosis, downy mildew and soft rot disease incidence are aobvious
Writing reduces.
Embodiment 5
A kind of fertilizer special for celery cabbages, using sulphur as inorganic coating material, formula are as follows: urea 15 based on parts by weight
Part, 13 parts of monoammonium phosphate, 8 parts of potassium dihydrogen phosphate, 20 parts of potassium chloride, 2.3 parts of calcium chloride, 4 parts of magnesium sulfate, 0.6 part of ammonium molybdate, boron
4 parts of sand, 1.5 parts of zinc sulfate, 5 parts of peanut meal, 7 parts of wormcast, 6 parts of turf, 0.14 part of N-(n-butyl) thiophosphoric triamide, dicyandiamide
0.38 part, 1.5 parts of zeolite is raw material, based on parts by weight.Wherein: nBPT purity >=97.0%, DCD purity >=99.5%,
Urea contains N >=46%；Monoammonium phosphate contains N >=10%, contains P2O5>=50%；Potassium dihydrogen phosphate contains P2O5>=50%, K2O >=30%；
Potassium chloride contains K2O >=60%；Magnesium sulfate contains Mg >=9.5%；Ammonium molybdate contains Mo >=49%；Borax contains B >=9%；Zinc sulfate contains Zn
>=21%；Calcium chloride containing Ca >=55%, peanut meal particle≤0.4mm, wormcast particle≤0.4mm, turf particle≤0.25mm,
Zeolite granular≤0.25mm.By by peanut meal and wormcast carry out validation and harmless treatment and with corresponding proportion each component
It is mixed, is made by preparation method described in embodiment 1.
Field experiment in March, 2018 carries out in Chongqing City north a word used in place name shade of willow trees vegetables Demonstration Base.Control group is multiple for common ternary
Hefei (NPK nutrients ratio is 14-16-15), for the commodity of Guizhou the West company production.Chinese cabbage sulphur clothing coating dedicated fertilizer and
Common ternary compound fertilizer dose is 50kg/ mus.Chinese cabbage sulphur clothing coating dedicated fertilizer makees base manure and is disposably manured into soil.Commonly
40% base manure of ternary compound fertilizer, top dressing 2 times each 30%.
Measuring method such as embodiment 1.
After being handled using fertilizer special for celery cabbages described in embodiment 5, field test results are as follows: Chinese Cabbage Yield 7693-
7830kg/667m2, increase production 12.58%-14.24% than control；Vitamin C content is 35.10-37.74mg/100g, than control
Improve 15.35%-17.28%；The amino acid content of Chinese cabbage is 16321.1-17227.8mg/kg, than control
(14089.6mg/kg) improves 15.92%-16.44%, and wherein sweet taste amino acid content is 3802.82-4014.08mg/kg,
Increase control 19.21%-25.83% compared with control；Fresh ear field content is 5327.21-5623.15mg/kg, and relatively control increases
18.4%-25.0%；Its flavor substance 2- cyclohexene -1- alcohol, 2- hexenoic aldehyde, blatter alcohol (Z/E), benzenepropanenitrile, phenethyl
The sum of isothiocyanate content is 4978.66-6899.97ug/L, relatively compares (3057.1ug/L) and increases 62.86%-
125.70%.The reducing sugar content of Chinese cabbage is 3.67%-3.98%, improves 46.94%-50.19%% than control；Greatly
Chinese cabbage leaf nitrate content is 1402.89-1580.21mg/kg, has dropped 50.29%-51.52% than control.Utilization rate of nitrogen fertilizer
Reach 55.27%-72.37%.Fertilizer efficiency time reaches 90 days or more, and relatively control increases 587.30%-663.61%.Soil bacteria
Quantity is that number of bacteria is 60.23-62.94 × 105Cfu/g increases 401.92%~424.50% compared with control.Soil
Total nitrogen content is 1.632-1.795g/kg, 20.00- higher than the total soil nitrogen amount (1.360g/kg) after application Common compound fertilizer
31.99%, effective sulfur content is 92.18-97.33mg/kg in soil, than the available Sulphur Content in Soil after application Common compound fertilizer
(73.01g/kg) high 26.26-33.31%；Quick-acting potassium content in soil is 281.06-284.84mg/kg, more common than applying
Available potassium in soils content (219.22g/kg) high 28.21-29.93% after compound fertilizer.In ammonia volatilization incubation, 92d
The Common compound fertilizer ammonia volatilization cumulant of measurement is 578.46mg/kg, and this fertilizer special for celery cabbages ammonia volatilization cumulant is
378.16mg/kg reduces 34.55% than Common compound fertilizer ammonia volatilization cumulant, it can be seen that the present invention can be effectively reduced ammonia and wave
Send out cumulant.Tipburn Disease of Chinese Cabbage strain rate is 5%-8%, and relatively control reduces 2%-15%, and balling is fast, virosis, downy mildew
It is significantly reduced with soft rot disease incidence.
Ammonia volatilization test of the present invention: using ammonia volatilization venting method absorption plant, which consists of two parts, one of them
It is the red plastic keg that bore is 20cm, a height of 35cm；The other is the double-deck sponge, the thickness of sponge about 2cm, diameter have two
A specification, respectively 16cm and 20cm.When test carries out, by 15ml phosphoglycerol solution, (phosphoglycerol solution is by 50ml phosphorus
Acid and the mixing of 40ml glycerine, then be settled to 1000ml and form) uniform dip-coating on the sponge of two different sizes, then will
The sponge of 16cm it is careful be placed on lower layer, from plastic barrel distance from bottom probably in 5cm, the sponge of 20cm is placed on upper layer,
It is flushed with bung hole holding, it is desirable that the engagement edge of sponge and bung hole leaves no gaps.Wherein lower layer sponge is for absorbing plastic barrel
The NH that the soil of middle different disposal is evaporated3, upper layer sponge is mainly the ammonium nitrogen absorbed in air, prevents lower layer sponge
Pollution by outside air.
The purple soil sample come will be fetched and be placed at shady and cool ventilation and dried, later milled 1mm sieve.Weighed the soil of 1mm sieve
Sample 500g is loaded in plastic barrel, is 500mgkg by nitrogen level-1Fertilizer be put into, be uniformly mixed, be numbered later.To every
90ml deionized water is added in a plastic barrel, reaches the 80% of field capacity, is put into constant incubator and is cultivated.
During culture, the moment to pay attention to the soil regime in plastic barrel, if overdrying or gone mouldy, it is appropriate to take in time
Measure handled.Ammonia volatilization venting method carries out ammonia volatilization culture experiment, and at preceding ten days of culture, sampling was primary daily；?
Rear ten days of culture, take a sample in every two days；Later ten days, a sample was taken every three days；Take a sample weekly later.Sampling is surveyed
Periodically, upper layer sponge is taken out, rapidly takes out lower layer sponge, be placed on and be early ready for, fill 300ml 1molL-1KCl
In the plastic bottle of the 500ml of solution accordingly numbered, it is totally submerged sponge wherein, closes the lid, 1h is shaken in vibrating machine,
The ammonium nitrogen in oscillation leaching liquor is measured with indophenol blue colorimetry.While taking out lower layer sponge, 15ml phosphoric acid will be used rapidly
The sponge for the 16cm that glycerol uniformly coats is put into plastic barrel, covers upper layer sponge and is put into constant incubator, continues to cultivate.On
Layer sponge is replaced depending on its dry and wet situation, changes within general three days primary.During ammonia volatilization venting method culture experiment, the temperature of insulating box
Degree is (25 ± 2) DEG C, and temperature change when guaranteeing sampling is essentially the same.
Claims (8)
1. a kind of fertilizer special for celery cabbages, it is characterised in that: using sulphur as inorganic coating material, sulfur coating layer quality is total matter
The 10%-25% of amount；It include 0.10 part -0.15 part of N-(n-butyl) thiophosphoric triamide, 0.10 part -0.40 part of dicyandiamide in coating,
In terms of mass fraction.
2. fertilizer special for celery cabbages as described in claim 1, nBPT purity >=97.0%, DCD purity >=99.5%.
3. fertilizer special for celery cabbages as claimed in claim 1 or 2 further includes 10 parts -17 parts of urea, monoammonium phosphate 9 parts~13
Part, 6 parts -9 parts of potassium dihydrogen phosphate, 18 parts -20 parts of potassium chloride, 2 parts -4 parts of magnesium sulfate, 0.3-0.6 parts of ammonium molybdate, 3 part -4 of borax
Part, 1.1 parts -1.5 parts of zinc sulfate, 2.1-2.3 parts of calcium chloride, 3 parts -5 parts of peanut meal, 5 parts -8 parts of wormcast, 4-9 parts of turf, with
Mass fraction meter.
4. fertilizer special for celery cabbages a method according to any one of claims 1-3,15 parts of urea, 11 parts of monoammonium phosphate, potassium dihydrogen sulfate 7
Part, 18 parts of potassium chloride, 3 parts of magnesium sulfate, 0.45 part of ammonium molybdate, 3 parts of borax, 1.35 parts of zinc sulfate, 2.18 parts of calcium chloride, peanut meal
4 parts, 6 parts of wormcast, 6 parts of turf, in terms of mass fraction.
5. the fertilizer special for celery cabbages as described in claim 1-4 is any further includes 1 part -2 parts of zeolite, in terms of mass fraction.
6. fertilizer special for celery cabbages a method as claimed in any one of claims 1 to 5, the peanut meal particle≤0.4mm, wormcast particle
≤ 0.4mm, turf particle≤0.25mm, zeolite granular≤0.25mm.
7. the fertilizer special for celery cabbages as described in claim 1-6 is any, the peanut meal grain diameter is 0.1-0.25mm, earthworm
The partial size of earthworm excrement particle is 0.1-0.25mm, the partial size of turf particle is 0.1-0.25mm, zeolite granular partial size is 0.1mm.
8. the preparation method of fertilizer special for celery cabbages as described in claim 1-7 is any, comprising the following steps:
(1) it weighs: weighing following components: 0.10 part -0.15 part of N-(n-butyl) thiophosphoric triamide, dicyandiamide 0.10 by mass fraction
Part -0.40 part, 10 parts -17 parts of urea, 9 parts~13 parts of monoammonium phosphate, 6 parts -9 parts of potassium dihydrogen phosphate, 18 parts -20 parts of potassium chloride,
2 parts -4 parts of magnesium sulfate, 0.3-0.6 parts of ammonium molybdate, 3 parts -4 parts of borax, 1.1 parts -1.5 parts of zinc sulfate, 2.1-2.3 parts of calcium chloride,
3 parts -5 parts of peanut meal, 5 parts -8 parts of wormcast, 4-9 parts of turf, 1 part -2 parts of zeolite；
(2) preparation of organic double compound: the peanut meal, wormcast and turf of the amount are mixed, and 1 part of -2 parts of urea is added, stirs
It mixes uniformly, isometric H that concentration is 2-3mol/L is then added2SO4、H3PO4And HNO3The rapidly-decomposing of composition, the flower
The organic mixture and the distintegrant mass ratio for giving birth to the dregs of rice, wormcast, turf and urea are 1: 0.4-0.5, stir,
Reaction, obtains decomposed organic double compound；
(3) N-(n-butyl) thiophosphoric triamide, dicyandiamide, monoammonium phosphate, the dihydrogen sulfate of the amount preparation of inorganic composite: are taken
Potassium, potassium chloride, magnesium sulfate, ammonium molybdate, borax, zinc sulfate and calcium chloride mixing, are incorporated as what 0.5-1 times of the mixture was measured
Water makes it dissolve at 50-60 DEG C, through cooling, dehydration and drying, obtains N P and K microelement inorganic composite；
(4) inorganic composite made from organic double compound made from step (2), step (3) and surplus urea are uniformly mixed, powder
It is broken, grain diameter 0.1-0.25mm zeolite is added, stirs evenly and is transported in granulating disc and be granulated, makes again after the completion of being granulated
Its regular movement on granulating disc again, 156-160 DEG C of melting molten sulphur is equably sprayed by a series of heated nozzles
Fertiliser granulates surface, sulphur film thickness are greater than 45 μm, and sulphur film weight accounts for about the 10-25% of fertilizer total weight.
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