CN104130079A - Tower-type melted and pelleted special formulated fertilizer for oilseed rape and production method thereof - Google Patents

Tower-type melted and pelleted special formulated fertilizer for oilseed rape and production method thereof Download PDF

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CN104130079A
CN104130079A CN201410426864.XA CN201410426864A CN104130079A CN 104130079 A CN104130079 A CN 104130079A CN 201410426864 A CN201410426864 A CN 201410426864A CN 104130079 A CN104130079 A CN 104130079A
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tower
edta chelated
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fertilizer
metering
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CN104130079B (en
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王婷婷
彭玉净
何守学
崔然
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Stanley Agricultural Group Co Ltd
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STANLEY FERTILIZER STOCK CO Ltd
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Abstract

The invention discloses a tower-type melted and pelleted special formulated fertilizer for oilseed rape and a production method thereof, and belongs to the technical field of production of special fertilizers for crops. The tower-type melted and pelleted special formulated fertilizer for oilseed rape is prepared from the following raw materials: urea, industrial monoammonium phosphate, potassium sulfate, borax, EDTA (Ethylene Diamine Tetraacetic Acid) chelated iron, EDTA chelated manganese, DTA chelated manganese, ammonium heptamolybdate, polyglutamic acid and potassium fulvate. The special fertilizer for oilseed rape is comprehensive in nutrition, and capable of achieving the effects of increasing the rapeseed yield, improving the rapeseed quality and the like.

Description

A kind of tower melt pelletization special formulation fertilizer for cole and production method thereof
Technical field
The invention belongs to Special Fertilizers for Various Crops production technical field, particularly the tower melt pelletization special formulation fertilizer for cole of a kind of cold-resistant water conservation and production method thereof.
Background technology
China is rapeseed cultivation big country, and rape not only can provide the essential high-quality edible oil of life, multi-purpose technical oils is provided, and high-quality feed and plant crude protein can also be provided, so rape is produced, occupies very consequence in national economy.
China is divided into winter rape (plantation by the end of September, by the end of May results) and spring rape (plantation by the end of April, by the end of September results) two large producing regions, and wherein winter rape area and output all account for more than 90%, mainly concentrate on the Yangtze valley.According to Ministry of Agriculture's agriculture sentiment, look into demonstration, within 2012, China's winter oil vegetable seed cultivated area has reached 7,000,000 hectares.Rapeseed cultivation area is very huge at present, and the emphasis of rape cultivation is how to improve cultivation level, increase output, improve quality, and the rational application of fertilizer is one of important measures that realize these targets.
Rape is the crop that a kind of fertilizer requirement is large, fertilizer tolerability is stronger.100 kilograms of Semen Brassicae campestris of every production need absorbed nitrogen 8.8-11.3 kilogram, Vanadium Pentoxide in FLAKES 3.0-3.9 kilogram, potassium oxide 8.5-10.1 kilogram, and the ratio of nitrogen, phosphorus, potassium is 1:0.3:1.Rape, in whole growing process, absorbs the ratio of nutrient, and nitrogen is more than potassium, and potassium is more than phosphorus.Rape seedling is very responsive to nitrogen, phosphorus, and nitrogen, phosphorus are conducive to the growth of radical leaves and root system.Lay equal stress on mid-term with nitrogen, phosphorus, potassium, promotes the growth of reproductive organ.Later stage phosphate fertilizer is conducive to Grain Filling and Accumulation, and potassium can improve rape anti-adversity ability, to promoting maturation, has obvious effect.
Meanwhile, rape is as crop in cruciferae, very responsive to micronutrient boron.Boron is on the root system development of rape and bloom, pollination, the impact such as solid greatly, seedling stage, a kind of sedge phase, florescence are the critical periods that rape needs boron.And trace elements iron, manganese, zinc, molybdenum rape nourish and grow and reproductive growth in also there is vital role.
Polyglutamic acid is through modern biofermentation technique, to prepare to obtain glutamic acid polymer by agriculture probiotic bacterium subtilis, and molecular weight can reach more than 3,000,000.On polyglutamic acid side chain, a large amount of carboxyls makes its similar large comb, has the effects such as water suction moisturizing, chelating element, can be in conjunction with nitrogen etc., improve utilization rate of fertilizer.Polyglutamic acid as fertilizer sources synergistic agent can make utilization rate of fertilizer bring up to 40%-50% by 30%-35%, and utilization rate of nitrogen fertilizer on average improves 7%-12%, and crop is on average increased production 10%-25%.In addition, application polyglutamic acid can also reach long-acting slow-release, improves soil physico-chemical property, eco-friendly effect.The crop leaf of using after polyglutamic acid is plump, darkens; Well developed root system; Cold-resistant, drought resisting, the resistance such as resistant to lodging significantly increase; Crop yield and quality significantly improve.
Potassium fulvate is the same with polyglutamic acid, can play the effect of Natural fertilizers synergistic agent.After using potassium fulvate, can improve soil; Improve the plant recovery of nutrient such as nitrogen, phosphorus, potassium; Stimulate plant growth; Strengthen that crop is cold-resistant, drought resisting, the anti-adversity such as disease-resistant; Improve crop quality.
After application polyglutamic acid and potassium fulvate, can improve cold-resistant, the drought resisting of crop, the anti-adversity such as disease-resistant, significant to the rape cultivation of surviving the winter.
Summary of the invention
The object of this invention is to provide the special-purpose full nutritional formula of a kind of rape fertile, the effect that increase Semen Brassicae campestris output to realize, promotes rapeseed quality.
A kind of tower melt pelletization special formulation fertilizer for cole of the present invention, its feed composition weight part is as follows: urea 350-550 part, industrial monoammonium phosphate 50-200 part, potassium sulfate 50-400 part, borax 1-25 part, EDTA chelated iron 1-10 part, EDTA Chelated Manganese 1-10 part, EDTA chelated zinc 1-10 part, Ammonium Heptamolybdate 1-10 part, polyglutamic acid 1-60 part, potassium fulvate 1-60 part;
Above-mentioned raw materials is commercially available prod, wherein:
Urea is particulate state (proportioning 46.4-0-0);
Monoammonium phosphate is white powder (proportioning 11-49-0);
Potassium sulfate is white powder (technical grade, proportioning 0-0-52);
Industrial borax (ten water): pure boron >=10%;
EDTA chelated iron is pale yellow powder (chelated iron content >=13%);
EDTA Chelated Manganese is blush powder (Chelated Manganese content >=13%);
EDTA chelated zinc is white powder (chelated zinc content >=15%);
Ammonium Heptamolybdate (molybdenum content >=54%);
Polyglutamic acid is faint yellow pulvis (polyglutamic acid content >=30%);
Potassium fulvate is black powder (potassium oxide content >=11.7%, organic content >=50%);
Content in above-mentioned raw materials is mass percent.
A kind of tower melt pelletization special formulation fertilizer for cole of the present invention, further preferred feedstock ingredients weight parts is as follows: urea 400-480 part, industrial monoammonium phosphate 140-180 part, potassium sulfate 300-400 part, borax 10-20 part, EDTA chelated iron 1-5 part, EDTA Chelated Manganese 1-5 part, EDTA chelated zinc 1-5 part, Ammonium Heptamolybdate 1-5 part, polyglutamic acid 15-30 part, potassium fulvate 15-30 part.
A kind of tower melt pelletization special formulation fertilizer for cole of the present invention, most preferably feed composition weight part is as follows: 440 parts, urea, 140 parts of monoammonium phosphates, 332 parts of potassium sulfate, 15 parts of boraxs, 5 parts of EDTA chelated irons, 5 parts of EDTA Chelated Manganeses, 5 parts of EDTA chelated zincs, 2 parts of Ammonium Heptamolybdates, 28 parts of polyglutamic acids, 28 parts of potassium fulvates.
Above-mentioned special formulation fertilizer for cole adopts tower melting granulating technology, and its concrete production stage is as follows:
1, urea is dropped into fusion tank, after 110 ℃ of-130 ℃ of high-temperature fusion, enter in dashpot, then through transferpump pressurization, after metering, beat to tower top tempering tank;
2, by other raw material monoammonium phosphate, potassium sulfate, borax, EDTA chelated iron, EDTA Chelated Manganese, EDTA chelated zinc, Ammonium Heptamolybdate, potassium fulvate, respectively after metering, according to proportioning, send in agitator and fully mix, mixed batch mixing rises to tower top feed bin by chapelet, then send in batch mixing well heater, be heated to 80 ℃-90 ℃;
3, batch mixing after heating in step 2 is evenly sent into after metering described in above-mentioned steps 1 in tempering tank through spiral metering scale, through high speed shear stirrer, be mixed and made into slip, temperature is controlled at 110 ℃-120 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed into globular small droplets, the small droplets falling from shower nozzle spray is at diameter 10m-20m, in the tower of high 105m-120m, naturally fall, through with tower in upstream heat exchange after be cooled to 40 ℃-65 ℃, become composite fertilizer's small-particle,
4, after compound fertilizer granules drops down onto at the bottom of tower, through belt, be sent to cooling drum, then bucket is carried to screening, first screens out large grain, then screens out granule, guarantees that fertiliser granulates is between 2.0mm-4.0mm, and fertiliser granulates is cooled to 30 ℃-40 ℃;
5, the compound fertilizer granules sieving is wrapped to the anti-cakings such as oil, face powder and process, in face powder, add a certain amount of polyglutamic acid, metering, packing.
Further preferred concrete production craft step is as follows:
1, urea is dropped into fusion tank, after 120 ℃ of high-temperature fusion, enter in dashpot, then through transferpump pressurization, after metering, beat to tower top tempering tank;
2, by other raw material monoammonium phosphate, potassium sulfate, borax, EDTA chelated iron, EDTA Chelated Manganese, EDTA chelated zinc, Ammonium Heptamolybdate, potassium fulvate, respectively after metering, according to proportioning, send in agitator and fully mix, mixed batch mixing rises to tower top feed bin by chapelet, then send in batch mixing well heater, be heated to 88 ℃;
3, the batch mixing after heating in step 2 is evenly sent into after metering described in above-mentioned steps 1 in tempering tank through spiral metering scale, through high speed shear stirrer, be mixed and made into slip, temperature is controlled at 118 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed into globular small droplets, the small droplets falling from shower nozzle spray naturally falls in the tower of diameter 16m, high 114m, through with tower in upstream heat exchange after be cooled to 63 ℃, become composite fertilizer's small-particle;
4, after compound fertilizer granules drops down onto at the bottom of tower, through belt, be sent to cooling drum, then bucket is carried to screening, first screens out large grain, then screens out granule, guarantees that fertiliser granulates is between 2.0mm-4.0mm, and fertiliser granulates is cooled to 36 ℃;
5, the compound fertilizer granules sieving is wrapped to the anti-cakings such as oil, face powder and process, in face powder, add a certain amount of polyglutamic acid, metering, packing.
Using method of the present invention is that base is executed every mu of 30 kg-40 kg, imposes every mu of 15 kg-20 kg, mainly in rape seed, elongation, uses, and can make robust plant, promotes rape to blossom and bear fruit, and can strengthen the anti-adversity abilities such as cold-resistant, drought resisting, Resistant.The present invention at least can realize following a kind of beneficial effect:
1, melting charge slurry is easy to mix, and nutrient is balanced
The present invention adopts high tower process, first by Urea melting, and then by mixing, the material such as preheated monoammonium phosphate, potassium sulfate, borax, EDTA chelated iron, EDTA Chelated Manganese, EDTA chelated zinc, ammonium molybdate, polyglutamic acid, potassium fulvate adds in the urea of melting, by abundant shearing, stirring, make mixing of materials more even, and then form balanced stable nutrient unit, guaranteed that the equilibrium of fertilizer nutritive ingredient is with stable;
2, nutritive element is comprehensive
The full nutrition special formula fertilizer of rape prepared by the present invention is except containing the essential macroelement nitrogen of growth of rape, phosphorus, potassium, also contain the essential moderate-element sulphur of growth of rape, (iron, manganese, zinc are all chelating states for micronutrient boron, iron, manganese, zinc, molybdenum etc., be easy to absorb), can effectively promote rape to blossom and bear fruit, improve the activity of enzyme, strengthen rape and nourish and grow and reproductive growth ability, and then improve yield of rape;
3, stimulate growth of rape
Special formulation fertilizer for cole prepared by the present invention, the polyglutamic acid and the potassium fulvate that add contain multiple functional group, as physiologically active substance, to rape grow and body physiological metabolism has hormesis, can promote Semen Brassicae campestris to germinate, improve seedling rate and seedling rate, and rape root is grown and had special promoter action, promote root amount to increase, root elongation, the ability of Absorption of Rape moisture and nutrient is increased, and then promote growth of rape;
4, strengthen rape resistance
Special formulation fertilizer for cole prepared by the present invention, appropriate polyglutamic acid and potassium fulvate have been added, the micromolecule polypeptide that wherein polyglutamic acid forms after biological degradation can be induced the expression of rape resistance gene, improve that rape is cold-resistant, the anti-adversity such as drought resisting, resistant to lodging, disease and insect resistance, potassium fulvate can cushion the variation of the soil water, fertilizer, gas, heat, reduce the detrimentally affect of growth of rape, and then strengthen the resistance of rape;
5, promote the absorption of rape to nutritive element
Special formulation fertilizer for cole prepared by the present invention, the molecular structure of the polyglutamic acid uniqueness of adding can stop the anionic groups such as sulfate radical, phosphate radical, oxalate and metallic element to produce precipitation, makes in the calcium of rape in can more effective absorption soil, magnesium, iron, manganese, zinc etc. micro-.
6, improvement soil
Special formulation fertilizer for cole prepared by the present invention, add polyglutamic acid and potassium fulvate, can promote the formation of soil aggregate, coordinated the soil water, fertilizer, gas, thermal conditions, to improveing sand, to cross the lean soil such as glutinous respond well, thereby improve the ecotope of growth of rape;
7, energy-saving and cost-reducing, environmental friendliness
First, in production process, adopt high tower process, in production process, without adding moisture and steam and bonding material, carry out granulation, prevent from, because Moisture high UCL lumps, need not drying, save the energy, while without returning charge dust pollution, makes Working environment more clean because of almost, without " three wastes " discharge;
Secondly, the polyglutamic acid adding in the present invention has splendid sequestering action to toxic heavy metals such as lead, arsenic, chromium, cadmium, mercury, can form huge molecule, can not be absorbed by root hair, can effectively reduce the absorption of rape to harmful heavy metal, therefore be a kind of eco-friendly fertilizer.
Embodiment
embodiment mono-:the preparation of tower melt pelletization special formulation fertilizer for cole
1, feed composition weight part is as follows:
450 parts, urea, 150 parts of monoammonium phosphates, 360 parts of potassium sulfate, 40 parts of stopping composition.
2,concrete production technique is as follows:
(1) 450 parts of urea are dropped into fusion tank, after 110 ℃ of-130 ℃ of high-temperature fusion, enter in dashpot, then through transferpump pressurization, after metering, beat to tower top tempering tank;
(2) after 150 parts of monoammonium phosphates, 360 parts of potassium sulfate, 40 parts of stopping composition are measured respectively, send in agitator and fully mix, mixed batch mixing rises to tower top feed bin by chapelet, then sends in batch mixing well heater, is heated to 80 ℃-90 ℃;
(3) batch mixing after heating in step 2 is evenly sent into after metering described in above-mentioned steps 1 in tempering tank through spiral metering scale, through high speed shear stirrer, be mixed and made into slip, temperature is controlled at 110 ℃-120 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed into globular small droplets, the small droplets falling from shower nozzle spray is at diameter 10m-20m, in the tower of high 105m-120m, naturally fall, through with tower in upstream heat exchange after be cooled to 40 ℃-65 ℃, become composite fertilizer's small-particle,
(4) after compound fertilizer granules drops down onto at the bottom of tower, through belt, be sent to cooling drum, then bucket is carried to screening, first screens out large grain, then screens out granule, guarantees that fertiliser granulates is between 2.0mm-4.0mm, and fertiliser granulates is cooled to 30 ℃-40 ℃;
(5) compound fertilizer granules sieving is wrapped to the anti-cakings such as oil, face powder and process, metering, packing.
The product specification obtaining is 22-7-19, not containing trace element, polyglutamic acid and potassium fulvate.
embodiment bis-:the preparation of tower melt pelletization special formulation fertilizer for cole
1, feed composition weight part is as follows:
50 parts, urea, 150 parts of monoammonium phosphates, 360 parts of potassium sulfate, 15 parts of boraxs, 5 parts of EDTA chelated irons, 5 parts of EDTA Chelated Manganeses, 5 parts of EDTA chelated zincs, 2 parts of Ammonium Heptamolybdates, 8 parts of stopping composition.
2,concrete production technique is with embodiment 1.
The product specification obtaining is 22-7-19, containing trace element, not containing polyglutamic acid, potassium fulvate.
embodiment tri-:the preparation of tower melt pelletization special formulation fertilizer for cole
1, feed composition weight part is as follows:
450 parts, urea, 150 parts of monoammonium phosphates, 340 parts of potassium sulfate, 15 parts of boraxs, 5 parts of EDTA chelated irons, 5 parts of EDTA Chelated Manganeses, 5 parts of EDTA chelated zincs, 2 parts of Ammonium Heptamolybdates, 28 parts of potassium fulvates.
Concrete production technique is with embodiment 1.
The product specification obtaining is 22-7-18, containing trace element, potassium fulvate, not containing polyglutamic acid.
embodiment tetra-:the preparation of tower melt pelletization special formulation fertilizer for cole
1, feed composition weight part is as follows:
450 parts, urea, 150 parts of monoammonium phosphates, 340 parts of potassium sulfate, 15 parts of boraxs, 5 parts of EDTA chelated irons, 5 parts of EDTA Chelated Manganeses, 5 parts of EDTA chelated zincs, 2 parts of Ammonium Heptamolybdates, 28 parts of polyglutamic acids.
2,concrete production craft step (1)-(4) are with embodiment 1.
Step (5) is: the compound fertilizer granules sieving is wrapped to the anti-cakings such as oil, face powder and process, in face powder, add 28 parts of polyglutamic acids, metering, packing.
The product specification obtaining is 22-7-18, containing trace element, polyglutamic acid, not containing potassium fulvate.
embodiment five:the preparation of tower melt pelletization special formulation fertilizer for cole
1, feed composition weight part is as follows:
440 parts, urea, 140 parts of monoammonium phosphates, 332 parts of potassium sulfate, 15 parts of boraxs, 5 parts of EDTA chelated irons, 5 parts of EDTA Chelated Manganeses, 5 parts of EDTA chelated zincs, 2 parts of Ammonium Heptamolybdates, 28 parts of polyglutamic acids, 28 parts of potassium fulvates.
2,concrete production craft step is as follows:
1, urea is dropped into fusion tank, after 120 ℃ of high-temperature fusion, enter in dashpot, then through transferpump pressurization, after metering, beat to tower top tempering tank;
2, by other raw material monoammonium phosphate, potassium sulfate, borax, EDTA chelated iron, EDTA Chelated Manganese, EDTA chelated zinc, Ammonium Heptamolybdate, potassium fulvate, respectively after metering, according to certain proportioning, send in agitator and fully mix, mixed batch mixing rises to tower top feed bin by chapelet, then send in batch mixing well heater, be heated to 88 ℃;
3, the batch mixing after heating in step 2 is evenly sent into after metering described in above-mentioned steps 1 in tempering tank through spiral metering scale, through high speed shear stirrer, be mixed and made into slip, temperature is controlled at 118 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed into globular small droplets, the small droplets falling from shower nozzle spray naturally falls in the tower of diameter 16m, high 114m, through with tower in upstream heat exchange after be cooled to 63 ℃, become composite fertilizer's small-particle;
4, after compound fertilizer granules drops down onto at the bottom of tower, through belt, be sent to cooling drum, then bucket is carried to screening, first screens out large grain, then screens out granule, guarantees that fertiliser granulates is between 2.0mm-4.0mm, and fertiliser granulates is cooled to 36 ℃;
5, the compound fertilizer granules sieving is wrapped to the anti-cakings such as oil, face powder and process, in face powder, add a certain amount of polyglutamic acid, metering, packing.
The product specification obtaining is 21-7-18, containing trace element, polyglutamic acid and potassium fulvate.
manure trial
Test site: San Sheng village, elecscreen town, In Chaohu City, Anhui Province
For examination soil nutrient content, be: organic matter 0.88%, alkali-hydrolyzable nitrogen 102mg/kg, rapid available phosphorus (P 2o 5) 15mg/kg, available potassium (K 2o) 134mg/kg, soil pH value is 6.
For examination rape variety, be: No. 11, Qin You.
6 processing are established in this experiment altogether, specifically process in Table 1, and every processing repeats 3 times, and random district group is arranged, and experimental plot area is 66.7m 2, 10m * 6.7m rectangle, surrounding is established protection row.
Rape was sowed on October 18th, 2012, and 3400 plants/acre of planting densities impose flower bud tongue on February 2nd, 2013 fertile, and on May 10th, 2013 gathers in the crops, and single receipts are singly cut in each community, and meter produces respectively.Amount to 205 days vegetative period.
All processing rates of fertilizer application are 50 kgs/acre, and every community rate of fertilizer application is 5kg, and equal 70% fertilizer is executed for base, and 30% imposes for elongation, each in period rate of fertilizer application and fertilization mode specifically in Table 1, the field management measures such as all the other weedings, laxative, irrigation are identical.
table 1 rape fertilizer treatment
table 2 yield of rape forms and yield result
Note: in table, between the different letter representation different fertilization of same row, difference reaches 5% conspicuous level.
As shown in Table 2, yield of rape is directly proportional to main inflorescence length, individual plant angle fruit number, angle fruit grain number, thousand seed weight, and the suitable rape yield increasing that contributes to of rape plant height and branch height.The theoretical yield of 6 fertilizer treatment presents identical result with actual output, is and processes E > processing D > processing C > treatments B > processing A > processing CK.
To process E, be that proportioning is that 21-7-18(contains trace element, polyglutamic acid, potassium fulvate, embodiment five) production index processed is best, and the production index of processing (15-15-15) with CK is the poorest, process E higher 76.1 kgs/acre than CK treatment theory output, volume increase 43.3%; Actual output is high 62.9 kgs/acre, volume increase 39.4%.
Process A(22-7-19, not containing trace element, polyglutamic acid, potassium fulvate) than CK treatment theory output, increase by 21.3 kgs/acre, volume increase 12.1%; Actual output increases by 16.8 kgs/acre, volume increase 10.5%.Illustrate that 22-7-19, than 15-15-15 reasonable ratio, is more conducive to growth of rape.
Treatments B (22-7-19, containing trace element, containing polyglutamic acid, potassium fulvate) is than processing A(22-7-19, containing trace element, polyglutamic acid, potassium fulvate) theoretical yield increases by 16.3 kgs/acre, increases production 9.3%; Actual output increases by 12.7 kgs/acre, volume increase 7.2%.Illustrate to add to be conducive to rape after trace element and to blossom and bear fruit, can effectively improve yield of rape.
Process C(22-7-18, containing trace element, potassium fulvate, not containing polyglutamic acid) than treatments B (22-7-19, containing trace element, not containing polyglutamic acid, potassium fulvate) theoretical yield, increase by 7.9 kgs/acre, volume increase 3.7%; Actual output increases by 10.1 kgs/acre, volume increase 5.3%.Process D(22-7-18, containing trace element, polyglutamic acid, not containing potassium fulvate) than treatments B (22-7-19, containing trace element, not containing polyglutamic acid, potassium fulvate) theoretical yield, increase by 15.4 kgs/acre, volume increase 7.2%; Actual output increases by 13.6 kgs/acre, volume increase 7.2%.Illustrate and add after potassium fulvate or polyglutamic acid, contribute to Absorption of Rape nutritive element, be beneficial to growth of rape and volume increase.
Therefore, special formulation fertilizer for cole nutrient proportioning of the present invention contains trace element, polyglutamic acid, potassium fulvate with the 21-7-18(of embodiment E) the most reasonable.

Claims (6)

1. a tower melt pelletization special formulation fertilizer for cole, is characterized in that feed composition weight part is as follows: urea 350-550 part, industrial monoammonium phosphate 50-200 part, potassium sulfate 50-400 part, borax 1-25 part, EDTA chelated iron 1-10 part, EDTA Chelated Manganese 1-10 part, EDTA chelated zinc 1-10 part, Ammonium Heptamolybdate 1-10 part, polyglutamic acid 1-60 part, potassium fulvate 1-60 part;
Above-mentioned raw materials is commercially available prod, wherein:
Described urea is particulate state, proportioning 46.4-0-0;
Described monoammonium phosphate is white powder, proportioning 11-49-0;
Described potassium sulfate is white powder, technical grade, proportioning 0-0-52;
Described industrial borax: pure boron >=10%;
Described EDTA chelated iron is pale yellow powder, chelated iron content >=13%;
Described EDTA Chelated Manganese is blush powder, Chelated Manganese content >=13%;
Described EDTA chelated zinc is white powder, chelated zinc content >=15%;
Described Ammonium Heptamolybdate, molybdenum content >=54%;
Described polyglutamic acid is faint yellow pulvis, polyglutamic acid content >=30%;
Described potassium fulvate is black powder, potassium oxide content >=11.7%, organic content >=50%;
Content in above-mentioned raw materials is mass percent.
2. a kind of tower melt pelletization special formulation fertilizer for cole as claimed in claim 1, is characterized in that feed composition weight part is as follows: urea 400-480 part, industrial monoammonium phosphate 140-180 part, potassium sulfate 300-400 part, borax 10-20 part, EDTA chelated iron 1-5 part, EDTA Chelated Manganese 1-5 part, EDTA chelated zinc 1-5 part, Ammonium Heptamolybdate 1-5 part, polyglutamic acid 15-30 part, potassium fulvate 15-30 part.
3. a kind of tower melt pelletization special formulation fertilizer for cole as claimed in claim 2, is characterized in that feed composition weight part is as follows: 440 parts, urea, 140 parts of industrial monoammonium phosphates, 332 parts of potassium sulfate, 15 parts of boraxs, 5 parts of EDTA chelated irons, 5 parts of EDTA Chelated Manganeses, 5 parts of EDTA chelated zincs, 2 parts of Ammonium Heptamolybdates, 28 parts of polyglutamic acids, 28 parts of potassium fulvates.
4. the production method of the tower melt pelletization special formulation fertilizer for cole as described in as arbitrary in claim 1-3, is characterized in that comprising following processing step:
(1) urea is dropped into fusion tank, after 110 ℃ of-130 ℃ of high-temperature fusion, enter in dashpot, then through transferpump pressurization, after metering, beat to tower top tempering tank;
(2) by monoammonium phosphate, potassium sulfate, borax, EDTA chelated iron, EDTA Chelated Manganese, EDTA chelated zinc, Ammonium Heptamolybdate, potassium fulvate, respectively after metering, according to proportioning, send in agitator and fully mix, mixed batch mixing rises to tower top feed bin by chapelet, then send in batch mixing well heater, be heated to 80 ℃-90 ℃;
(3) batch mixing after heating in step 2 is evenly sent into after metering described in above-mentioned steps 1 in tempering tank through spiral metering scale, through high speed shear stirrer, be mixed and made into slip, temperature is controlled at 110 ℃-120 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed into globular small droplets, the small droplets falling from shower nozzle spray is at diameter 10m-20m, in the tower of high 105m-120m, naturally fall, through with tower in upstream heat exchange after be cooled to 40 ℃-65 ℃, become composite fertilizer's small-particle,
(4) after compound fertilizer granules drops down onto at the bottom of tower, through belt, be sent to cooling drum, then bucket is carried to screening, first screens out large grain, then screens out granule, guarantees that fertiliser granulates is between 2.0mm-4.0mm, and fertiliser granulates is cooled to 30 ℃-40 ℃;
(5) compound fertilizer granules sieving is wrapped to the anti-cakings such as oil, face powder and process, in face powder, add a certain amount of polyglutamic acid, metering, packing.
5. the production method of tower melt pelletization special formulation fertilizer for cole as claimed in claim 4, is characterized in that comprising following processing step:
(1) urea is dropped into fusion tank, after 120 ℃ of high-temperature fusion, enter in dashpot, then through transferpump pressurization, after metering, beat to tower top tempering tank;
(2) by monoammonium phosphate, potassium sulfate, borax, EDTA chelated iron, EDTA Chelated Manganese, EDTA chelated zinc, Ammonium Heptamolybdate, potassium fulvate, respectively after metering, according to proportioning, send in agitator and fully mix, mixed batch mixing rises to tower top feed bin by chapelet, then send in batch mixing well heater, be heated to 88 ℃;
(3) batch mixing after heating in step 2 is evenly sent into after metering described in above-mentioned steps 1 in tempering tank through spiral metering scale, through high speed shear stirrer, be mixed and made into slip, temperature is controlled at 118 ℃, after vibrations strainer filters out granule foreign, overflow is to prilling spry, under shower nozzle rotational shear centrifugal action, mixture is evenly sprayed into globular small droplets, the small droplets falling from shower nozzle spray naturally falls in the tower of diameter 16m, high 114m, through with tower in upstream heat exchange after be cooled to 63 ℃, become composite fertilizer's small-particle;
(4) after compound fertilizer granules drops down onto at the bottom of tower, through belt, be sent to cooling drum, then bucket is carried to screening, first screens out large grain, then screens out granule, guarantees that fertiliser granulates is between 2.0mm-4.0mm, and fertiliser granulates is cooled to 36 ℃;
(5) compound fertilizer granules sieving is wrapped to the anti-cakings such as oil, face powder and process, in face powder, add a certain amount of polyglutamic acid, metering, packing.
6. the using method of the tower melt pelletization special formulation fertilizer for cole as described in as arbitrary in claim 1-3, is characterized in that: base is executed every mu of 30 kg-40 kg, imposes every mu of 15 kg-20 kg.
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