CN110063102A - The composition of intensive vegetable filed barrier phosphorus leaching and its application - Google Patents
The composition of intensive vegetable filed barrier phosphorus leaching and its application Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
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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
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
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- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of compositions of intensive vegetable filed barrier phosphorus leaching, are made of the raw material of following mass parts: 20~30 parts of flyash, 20~30 parts of sepiolite, 30~40 parts of calcareous fertilisers, 10~25 parts of peanut straw powder, 2~4 parts of sodium alginate oligosaccharide, 1~2 part of chitin.Raw material flyash and sepiolite of the present invention are from a wealth of sources, cheap to be easy to get；Peanut straw powder is the waste of agricultural production, and secondary use improves the level of resources utilization, and sodium alginate oligosaccharide and chitin derive from marine organisms, is applied to phosphorus pollution prevention, green, environmentally friendly, pollution-free；The present invention makes full use of waste material, can not only effectively hinder control facilities vegetable phosphorus loss, reduce pollution of area source, moreover it is possible to improve soil physico-chemical property, improve the resistance of crop, improve yield of vegetables.
Description
Technical field
The invention belongs to the process interrupter technique field of phosphorus loss is obstructed in agricultural non-point source pollution prevention and control, and in particular to a kind of
The composition of intensive vegetable filed barrier phosphorus leaching and its application.
Background technique
In recent years, with the adjustment of China's agricultural planting structure, facilities vegetable cultivated area rapid development, to 2013 I
State's facilities vegetable area accounts for the 18% of vegetable cultivation area up to 57,930,000 mu, and yield reaches 2.6 hundred million tons, accounts for vegetables total output
34% or more.The expansion of facilities vegetable cultivated area greatly meets people's daily life demand, it has also become peasant, which increases production, to be increased
One of important industry of receipts.However, under the conditions of the plantation of facilities vegetable is in semiclosed, by man's activity than more serious, in order to
The target for reaching efficient high yield often puts into a large amount of chemical fertilizer in vegetable production in green house, this, which is not only resulted in soil, changes
It learns element constantly to accumulate, also soil secondary salinization, acidification, nutrient imbalance, pest and disease damage can be brought to take place frequently, yield reduction etc. is many
Problem.
Currently, China vegetables fertilizer application amount accounts for nearly the 1/5 of entire crops fertilizer application amount, and mu dosage is on the left side 40 kg
The right side is 1.67 times of cereal crops, is 2~4 times of its normal needs.Wherein the excess of phosphate fertilizer, which is applied in, causes facilities vegetable
Soil phosphorus while largely accumulate, can also cause the raising of ambient enviroment phosphorus element, most significantly cause surrounding water phosphorus
Plain is exceeded.Although in recent years people environmental consciousness reinforce, to administer phosphorus element pollution increase dynamics of investment, achieve significantly at
Effect, but due in soil excessive fertilization radix it is too big, can not thoroughly eliminate excessive phosphorus element in a short time.
Therefore, for facilities vegetable phosphorus leaching, how by P adsorption in the soil body, avoid damaging to the leaching of underground water
It loses, protects underground water quality safety, for promoting resource high-efficiency and environmental protection to be of great significance.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of composition of intensive vegetable filed barrier phosphorus leaching and applications, improve
The soil body reduces the leaching loss to underground water to the holding capabilities of phosphorus, while realizing that soil phophorus leaching effectively hinders control, maintenance
Soil quality safety.
The composition for designing a kind of intensive vegetable filed barrier phosphorus leaching, is made of the raw material of following mass parts:
20~30 parts of flyash, 20~30 parts of sepiolite, 30~40 parts of calcareous fertilisers, 10~25 parts of peanut straw powder, sodium alginate are few
2~4 parts, 1~2 part of chitin of sugar.
Preferably, the composition of above-mentioned intensive vegetable filed barrier phosphorus leaching, is made of the raw material of following mass parts:
25~28 parts of flyash, 23~26 parts of sepiolite, 35~38 parts of calcareous fertilisers, 15~20 parts of peanut straw powder, sodium alginate are few
2~2.5 parts, 1~1.5 part of chitin of sugar.
Flyash selected by the present invention is the granular residue emitted after coal dust firing from boiler, is a variety of sizes
Not equal and different particle, by segmenting dephasing made of mechanical mixture, main chemical compositions are silicon, aluminium, ferriferous oxide
And a certain amount of calcium, magnesium, oxysulfide, wherein silica, aluminium oxide, iron oxide gross mass account for about flyash gross mass
85%, calcium oxide, magnesia, sulfur oxides level are relatively low, also some trace elements such as Cu, Cr, Pb etc., in addition there are
Uncombusted carbon granule, flyash are in porosity cellular tissue, and large specific surface area, this makes it have stronger physical absorption energy
Power；There are electrostatic between phosphate in flyash in secondary positively charged alumina silicate, calcium silicates and ferrosilite and soil
Sucking action, this makes it that precipitating and ion exchange occur with phosphate.
Selected sepiolite is a kind of fibrous rich magnesium silicate clay mineral of chain type layer structure, rich reserves,
It is cheap and easy to get, non-toxic and tasteless, molecular formula Mg8(H2O)4[Si6O15]2(OH)4ˑ8H2O, often with attapulgite, montmorillonite, talcum
Equal symbiosis, color is white, grey, green white, yellow, blue, blue-green or red.There is sepiolite special duct to tie
Structure has biggish specific surface area and pore volume, this makes it have stronger adsorptivity and ion exchangeable.
Selected calcareous fertilisers can sustainable release calcium ion, supplement calcium library in soil and plant.Calcium is cell wall glue-line
The indispensable element of formation, while the integrality aspect of cell membrane being maintained to play an important role, calcium ion can also reduce breathing
Effect, promotes photosynthate translocation at prevention and treatment cell ageing；In addition, second messenger of the calcium ion as cell, participates in reconciling plant
Reproductive growth and various coercive defense reactions.With the increase of facilities vegetable Planting Years, soil phophorus accumulation promotes water-soluble state
Conversion with from exchange state calcium to invalid non-acid soluble calcium, to aggravate the shortage of effective calcium.The application of calcareous fertilisers can supplement plant
Object and soil calcium element, can also improve soil pH value, so that iron in acid soil, aluminium, manganese plasma be mitigated or eliminated to soil
The harm of property and plant physiology, lime can also promote the decomposition of organic matter.
Preferably, the calcareous fertilisers be dolomite dust, calcium oxide, conch meal, potassium feldspar, land plaster, zeolite powder, calcium carbonate,
At least one of calcium hydroxide.
Peanut straw powder selected by the present invention has the characteristics that large specific surface area, absorption property are good, stability is strong, is used for
The removal of nitrate anion, phosphate radical in water, at present concern are more the nutrient effects and improvement agricultural ecological using straw-returning
Environmental effect, Lai Zengjia crop yield, however currently used for soil barrier phosphorus leaching loss and few.
Sodium alginate oligosaccharide selected by the present invention is obtained by sodium alginate of degrading by а-L- mannuronic acid
(mannuronic acid, M) and b-D- guluronic acid (guluronic acid, G) relies on 1,4- glucosides key connection simultaneously
The natural oligosaccharide being made of different fragments (MM sections, GG sections and MG sections), uses on plant, can promote Nutrient Absorption, improves
Abiotic resistance promotes crop yield；Also there is good thickening property, at model and gelation, soil physico-chemical property can be improved；
And carbon source can be provided for microorganism, be conducive to improve soil microflora.
Preferably, the degree of polymerization of the sodium alginate oligosaccharide is 2~10, and uronic acid group becomes M/G=7:3, glucuronic acid content
>90%。
Chitin selected by the present invention is unique positively charged natural polymers in nature, is commonly called as crust
Matter, chitin, entitled β-(the Isosorbide-5-Nitrae) -2- acetylaminohydroxyphenylarsonic acid deoxidation-D- glucan of chemistry, also referred to as poly- N- acetyl group-D- glucose ammonia,
It is mainly derived from the shell and molluscan organ and the cell wall of Mycophyta etc. of the chitins animal such as shrimp, crab, insect.
Under natural conditions, chitin is not soluble in water, therefore is difficult to be efficiently utilized, under specific condition, to chitin carry out degradation and
Deacetylation obtains chitosan, and chitosan is the derivative of chitin, and chitosan dissolves in weak acid solution, in weak acid,
Positively charged polymer is become after protonated amino on chitosan, not only adsorbable phosphate anion, moreover it is possible to change soil
Earth flora promotes beneficial microorganism growth, and can induce the disease resistance of plant, generates and exempts to a variety of fungies, bacterium and virus
Epidemic disease and killing effect are widely used in the fields such as biological pesticide, plant growth substance and fertilizer.
Preferably, the chitin is chitosan, and the degree of polymerization is 2~8, and deacetylation is 85%~98%, takes off second
Acyl chitin is positively charged cationic basic amine group oligosaccharide, and bioactivity is high.
The composition of above-mentioned intensive vegetable filed barrier phosphorus leaching the preparation method comprises the following steps: each raw material is crushed according to above-mentioned formula,
It sieves with 100 mesh sieve, is uniformly mixed through batch mixer.
The present invention provides a kind of method of administration of the composition of intensive vegetable filed barrier phosphorus leaching, specifically comprises the following steps:
(1) by the composition laying of the intensive vegetable filed barrier phosphorus leaching in layout planning 30~50cm of designated depth, amount of application
It is 200~2000 kg/ mus；
(2) it is compacted, constructs the barrier layer of prevention and control phosphorus leaching loss；
(3) finally on cover topsoil soils.
Preferably, it in the step (3), is imposed at 10~30cm of fertilizer layer or less using direct ditch, amount of application 50
~500 kg/ mus.
The mechanism that the present composition obstructs intensive vegetable filed phosphorus leaching is:
Flyash and sepiolite in composition have stronger retention suction-operated to the phosphate radical in soil；The application of calcareous fertilisers
Can not only alleviate it is intensive vegetable filed because phosphorus element accumulation caused by effective calcium deficiency problem, can also react to form calcium phosphate with phosphate radical
Precipitating is protected it and is stored in soil；Peanut straw powder in composition has the characteristics that large specific surface area, absorption property are good, right
Phosphate anion has certain adsorption function；During peanut straw powder is manured into soil, the gas permeability of soil can be increased, improved organic cementing
Object content is conducive to crumb structure and is formed, and so as to improve soil physics structure, calcareous fertilisers application is avoided to cause soil hardening；Simultaneously
It is also a kind of supply form of slow phosphorus source；Sodium alginate oligosaccharide in composition can promote intensive vegetable filed middle crop to phosphorus member
The absorption of element, and energy regulating plant growth apply plant phosphorus caused by can avoid fixing effect of the composition to phosphorus and lack；This
Outside, sodium alginate oligosaccharide can form gel with calcium ion, to regulate and control soil calcium for the balance between giving calcium inactivation, also have
Good thickening property, at model and gelation, soil physico-chemical property can be improved, and carbon source can be provided for microorganism, be conducive to change
Kind soil microflora；Chitin has certain suction-operated to phosphate anion in composition, while can enhance plant
Multiple resistance is conducive to the growth of facilities vegetable under enclosed environment.
Compared with prior art, the beneficial technical effect of the present invention lies in:
1. the composition of the intensive vegetable filed barrier phosphorus leaching of the present invention utilizes the strong absorption of flyash and sepiolite to phosphorus in composition
Fixing effect, the suction-operated of peanut straw powder and chitin to phosphorus of effect, calcareous fertilisers to phosphorus, sodium alginate oligosaccharide is to crop phosphorus
The facilitation of absorption, the lower effectively resistance that acts synergistically are controlled intensive vegetable filed phosphorus leaching and are lost, significant effect.
2. the present invention it is intensive vegetable filed barrier phosphorus leaching composition in each raw material have complementary functions, coordinate soil nutrient fixing and
Contradiction between plant growth demand, peanut straw powder has certain suction-operated to phosphate anion, but itself contains phosphorus,
Application is also a kind of supply form of slow phosphorus source；The promotion effect that sodium alginate oligosaccharide absorbs crop phosphorus, can avoid other
Plant phosphorus caused by fixing effect of the component to phosphorus lacks, while the suction-operated to calcium, and adjustable soil calcium is for giving calcium mistake
Balance between work.
3. the composition of the intensive vegetable filed barrier phosphorus leaching of the present invention, can while realizing that soil phophorus leaching effectively hinders control
Safeguard soil quality safety, the application of peanut straw powder and sodium alginate oligosaccharide, controllable soil physico-chemical property have in composition
Conducive to the formation of crumb structure, other component applications is avoided to cause soil hardening；The application of chitin can improve edaphon
Fauna enhances the multiple resistance of plant, is conducive to the growth of facilities vegetable under enclosed environment.
4. the composition material of the intensive vegetable filed barrier phosphorus leaching of the present invention is cheap and easy to get, at low cost, safety and environmental protection.The present invention
In raw material flyash and sepiolite it is from a wealth of sources, it is cheap, be easy to get；Peanut straw powder is the waste of agricultural production,
Secondary use improves the level of resources utilization, and sodium alginate oligosaccharide and chitin derive from marine organisms, is applied to phosphorus pollution
Prevention and control, it is green, environmentally friendly, pollution-free.
Specific embodiment
Below by specific embodiment, the present invention is further illustrated, so that those skilled in the art know more about this hair
It is bright, but be not intended to limit the present invention.
Related instrument and equipment is routine instrument device unless otherwise instructed in the examples below；It is related
Material and reagent are purchased from conventional chemical reagent shop unless otherwise instructed；Related test, preparation method, such as without especially
Illustrate, is conventional method.
Flyash described in the embodiment of the present invention, sepiolite, calcareous fertilisers, sodium alginate oligosaccharide and chitin are commercially available production
Product, peanut straw powder are made after being crushed stalk using stalk crasher.
Embodiment 1
A kind of composition of intensive vegetable filed barrier phosphorus leaching, is made of the raw material of following mass parts:
25 parts of flyash, 25 parts of sepiolite, 35 parts of calcium oxide, 18 parts of peanut straw powder, 2 parts of sodium alginate oligosaccharide, chitin 1
Part.
Embodiment 2
A kind of composition of intensive vegetable filed barrier phosphorus leaching, is made of the raw material of following mass parts:
26 parts of flyash, 23 parts of sepiolite, 38 parts of conch meal, 20 parts of peanut straw powder, 2.2 parts of sodium alginate oligosaccharide, chitin
1.5 part.
Embodiment 3
A kind of composition of intensive vegetable filed barrier phosphorus leaching, is made of the raw material of following mass parts:
28 parts of flyash, 26 parts of sepiolite, 36 parts of land plaster, 15 parts of peanut straw powder, 2.5 parts of sodium alginate oligosaccharide, chitin
1.2 part.
Above-described embodiment 1~3 it is intensive vegetable filed barrier phosphorus leaching composition the preparation method comprises the following steps:
Each raw material is weighed according to proportion described in Examples 1 to 3, each raw material is crushed, is sieved with 100 mesh sieve, is uniformly mixed through batch mixer,
?.
The method of administration of the composition of the intensive vegetable filed barrier phosphorus leaching of above-described embodiment 1~3, specifically comprises the following steps:
(1) by the composition laying of the intensive vegetable filed barrier phosphorus leaching in layout planning 30~50cm of designated depth, amount of application
It is 200~2000 kg/ mus；
(2) it is compacted, constructs the barrier layer of prevention and control phosphorus leaching loss；
(3) finally on cover topsoil soils.
Or directly ditch imposes at 10~30cm of fertilizer layer or less, amount of application is 50~500 kg/ mus.
Test 1: application effect comparison of the composition of the intensive vegetable filed barrier phosphorus leaching of the application present invention on cucumber
This test is carried out in the 1-6 month in 2017 in Henan Province Boai County, and plastic shed soil type is loamy texture moisture soil, big for newly-built plastics
Canopy.4 processing are arranged in test altogether, processing 1: the composition of the application embodiment of the present invention 1；Processing 2: the application embodiment of the present invention 2
Composition；Processing 3: the composition of the application embodiment of the present invention 3, processing 4: not applying above-mentioned composition, is blank control group；
3 repetitions of each processing.
The present composition is manured into soil depth as 40cm, and amount of application is 1000 kg/ mus, after applying compacting, above covers topsoil
Soil, setting field continuous filter is below resistance control layer to monitor phosphorus content in leaching water.4 processing cultivated areas are identical, fertilising
Horizontal consistent, dose is 14 side of organic fertilizer, N 42kg, P per acre2O528kg, K2O 46kg。
Using total phosphorus content in potassium persulfate oxidation-molybdenum blue colorimetric method measurement leaching liquor, each cell is harvested every time
Yield claims quality, by the accumulative yield for being added as cell vegetables of each yield；Phosphorus content uses H in maturity period plant2SO4-
H2O2Disappear and boil, ammonium molybdate colorimetric method for determining, specific measurement result is as shown in table 1.
Influence of 1 present composition of table to cucumber in greenhouse yield and phosphorus leaching
。
Table 1 the result shows that:, can be with after in cucumber in greenhouse applying the present composition compared with handling 4 blank control groups
Phosphorus leaching loss in soil is reduced, total phosphorus Leaching loss reduces 43.7%~51.1%；Plant phosphorus content improves 7.1%~29.4%；It is yellow
Melon yield handles 4 blank control groups and compares, and also has different degrees of increase.
Test example 2: application effect comparison of the composition of application present invention barrier phosphorus leaching on tomato
This test in the 2-6 month in 2018 Henan Province's Lankao County carry out, test selection heliogreenhouse cultivated area be 55 m ×
10 m, to create heliogreenhouse, soil types is sandstone area, is tomato for studying object, the name of an article is " U.S. powder jewel ", cultivation side
Formula is ridge cultivation, and furrow width is 0.8 m, and furrow spacing is 0.5 m, and spacing in the rows is 0.32 m.4 processing are arranged in test altogether, processing 1: application
The composition of the embodiment of the present invention 1；Processing 2: the composition of the application embodiment of the present invention 2；Processing 3: the application embodiment of the present invention 3
Composition；Processing 4: not applying above-mentioned composition, is blank control group；3 repetitions of each processing.
The present composition is manured into soil depth as 30cm, and amount of application is 850 kg/ mus, after applying compacting, above covers topsoil
Soil, 4 processing group precipitation amounts are equal are as follows: N 30 kg/ mu, P2O515 kg/ mus, K2O 28 kg/hm2.By each cell
The yield weighing harvested every time, the accumulative total output for being added as cell vegetables；Using H2SO4-H2O2Disappear and boils, ammonium molybdate colorimetric
Method measures phosphorus content in tamato fruit, and measures harvest time other organ dry matter weights and phosphorus content, to calculate Different Organs
Total phosphorus accumulation；Calcium content and different soil available phosphorus contents and aggregate stability in harm that fruit harvest time are measured simultaneously, and
Blossom-end rot disease incidence is counted, specific measurement result is as shown in table 2.
Influence of 2 present composition of table to the absorption of greenhouse tomato phosphorus, yield and soil phophorus accumulation
。
As can be seen from Table 2: compared with handling 4 blank control groups, after in greenhouse tomato applying the present composition, tomato
Different Organs phosphorus accumulation and the total phosphorus accumulation of plant have different degrees of increase, wherein total phosphorus accumulation amplification be 0.3%~
5.0%；0-30cm soil layer available phosphorus contents increase by 2.8%~20.9%, increase significant；However, 30-60cm and 60-90cm soil layer speed
It imitates phosphorus content and then declines 15.7%~31.1% and 27.9%~47.8% respectively；Tomato total output increases by 2.9%~7.4%；In fruit
Calcium content increases by 14.0%~31.7%；Blossom-end rot incidence decline 31.6%~34.7%.
Table 2 is the result shows that in greenhouse tomato applying the present composition can promote the absorption of greenhouse tomato phosphorus element, slows down
The downward leaching loss of phosphorus element to improve tomato yield, and can increase calcium content in fruit, to reduce the generation of blossom-end rot
Rate.
As can be seen from Table 3, compared with handling 4 blank control groups, after in greenhouse tomato applying the present composition, soil
The content of organic matter dramatically increases 15.9%~21.9%, and alkali-hydrolyzable nitrogen dramatically increases 9.6%~15.7%, and quick-acting potassium content dramatically increases
5.0%~8.0%, pH value also increases；Soil water stability macro aggregate (> 0.25mm) content obviously increases, water stability micelle
Aggressiveness (< 0.25mm) content then substantially reduces, and illustrates that applying the present composition can promote water stability microaggregate to agglomerate
The trend that aggressiveness is reunited, and the readily available nutrient of soil can be improved, facilitate soil physico-chemical property improvement.
Influence of 3 present composition of table to greenhouse tomato soil physico-chemical property
。
Test 3: application effect comparison of the composition of application present invention barrier phosphorus leaching on capsicum
This test was carried out in 2017 in Zhumadian prefecture, Henan province, tested the vinyl house of selection, canopy age 3 years, be peppery for studying object
Green pepper, the name of an article are " thin skin 9 ", and 4 processing are arranged in test altogether, processing 1: the composition of the application embodiment of the present invention 1；Processing 2: it applies
With the composition of the embodiment of the present invention 2；Processing 3: the composition of the application embodiment of the present invention 3；Processing 4: said combination is not applied
Object is blank control group；3 repetitions of each processing, each 30 m of plot area2, the present composition apply fertilizer layer under 20
Cm, amount of application are 100 kg/ mus, and each fertilizer unit's dose is respectively that fertilizer amount is N 40 kg/ mu, P2O525 kg/ mus,
K2O 40 kg/ mu, fertilization mode are ditch spread.Pepper fruit and plant total phosphorus content are measured, capsicum phosphorus wilfully force of labor and phosphorus are calculated
Recovery utilization rate, specific measurement result are as shown in table 4.
Influence of the composition of 4 present invention barrier phosphorus leaching of table to capsicum P assimilation and utilization and leaching loss
。
4 measurement result of table is shown, compared with handling 4 blank control groups, in greenhouse pepper applies the present composition, if
Applying capsicum Different Organs phosphorus content has different degrees of increase；Wilfully force of labor improves 4.1%~8.2% to phosphorus, and phosphorus recovery utilization rate increases
Add 0.44%~0.76%；Yield of hot pepper also improve 1.5%~8.2%, 0-40cm content of soil available phosphor dramatically increase 7.7%~
22.3%, 40-80cm content of soil available phosphor significantly reduce 23.9%~29.1%.Result explanation, the application present composition can
Promote the absorption and utilization of capsicum phosphorus, reduces phosphorus leaching loss.
The influence that pepper diseases occur for the composition of 5 present invention barrier phosphorus leaching of table
。
Table 5 is the results show that compared with handling 4 blank control group CK, after applying the present composition, capsicum leaf spot, ash
The disease incidence of mildew, stem rot and mosaic virus declines 34.6%~43.2%, 44.6%~57.9%, 21.1%~36.4% respectively
With 65.7%~66.3%, decline is significant, and result explanation, the application present composition can reduce the morbidity of facilities vegetable pepper diseases
Rate is conducive to vegetable safety production.
As can be seen that the present invention makes full use of waste material from above-mentioned test, control facilities vegetable phosphorus can not only be effectively hindered
It is lost, reduces pollution of area source, moreover it is possible to improve soil physico-chemical property, improve the resistance of crop, improve yield of vegetables.
The present invention is described in detail above in conjunction with embodiment, still, person of ordinary skill in the field can
Understand, without departing from the purpose of the present invention, each design parameter in above-described embodiment can also be changed, shape
At multiple specific embodiments, it is common variation range of the invention, is no longer described in detail one by one herein.
Claims (9)
1. a kind of composition of intensive vegetable filed barrier phosphorus leaching, which is characterized in that be made of the raw material of following mass parts: flyash
20~30 parts, it is 20~30 parts of sepiolite, 30~40 parts of calcareous fertilisers, 10~25 parts of peanut straw powder, 2~4 parts of sodium alginate oligosaccharide, several
1~2 part of fourth matter.
2. the composition of intensive vegetable filed barrier phosphorus leaching according to claim 1, which is characterized in that by following mass parts
Raw material composition: 25~28 parts of flyash, 23~26 parts of sepiolite, 35~38 parts of calcareous fertilisers, 15~20 parts of peanut straw powder, alginic acid
2~2.5 parts of sodium oligosaccharides, 1~1.5 part of chitin.
3. the composition of intensive vegetable filed barrier phosphorus leaching according to claim 1 or 2, which is characterized in that the calcareous fertilisers are
At least one of dolomite dust, calcium oxide, conch meal, potassium feldspar, land plaster, zeolite powder, calcium carbonate, calcium hydroxide.
4. the composition of intensive vegetable filed barrier phosphorus leaching according to claim 1 or 2, which is characterized in that the alginic acid
The degree of polymerization of sodium oligosaccharides is 2~10, and uronic acid group becomes M/G=7:3, glucuronic acid content > 90%.
5. the composition of intensive vegetable filed barrier phosphorus leaching according to claim 1 or 2, which is characterized in that the chitin
For chitosan, the degree of polymerization is 2~8, and deacetylation is 85%~98%.
6. a kind of preparation method of the composition of intensive vegetable filed barrier phosphorus leaching described in claim 1, which is characterized in that including
Following steps:
It is equipped with raw material according to proportion described in claim 1, each raw material is crushed, is sieved with 100 mesh sieve, is mixed through batch mixer.
7. a kind of application method of the composition of intensive vegetable filed barrier phosphorus leaching described in claim 1, which is characterized in that including
Following steps:
(1) by the composition laying of the intensive vegetable filed barrier phosphorus leaching in layout planning designated depth, the depth is 30~
50cm, amount of application are 200~2000 kg/667m2；
(2) it is compacted, constructs the barrier layer of prevention and control phosphorus leaching loss；
(3) finally on cover topsoil soils.
8. the application method of the composition of intensive vegetable filed barrier phosphorus leaching according to claim 7, which is characterized in that directly
Ditch imposes on 10~30cm of layout planning fertilizer layer or less, and amount of application is 50~500 kg/667m2。
9. the application method of the composition of intensive vegetable filed barrier phosphorus leaching according to claim 7, which is characterized in that described
Layout planning is any one of glasshouse, heliogreenhouse, vinyl house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235153.7A CN110063102A (en) | 2019-03-27 | 2019-03-27 | The composition of intensive vegetable filed barrier phosphorus leaching and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235153.7A CN110063102A (en) | 2019-03-27 | 2019-03-27 | The composition of intensive vegetable filed barrier phosphorus leaching and its application |
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| CN111205875A (en) * | 2020-01-15 | 2020-05-29 | 浙江农林大学 | Soil nitrogen and phosphorus regulating agent based on shells and agriculture and forestry solid waste and preparation method thereof |
| CN111763516A (en) * | 2020-07-07 | 2020-10-13 | 天津农学院 | Soil restoration conditioner for greenhouse phosphorus-rich polluted vegetable field as well as preparation method and application of soil restoration conditioner |
| CN114621039A (en) * | 2020-12-11 | 2022-06-14 | 中国科学院大连化学物理研究所 | Application of polysaccharide as soil conditioner |
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| CN107628863A (en) * | 2017-09-28 | 2018-01-26 | 山东省农业科学院农业资源与环境研究所 | A kind of composition for having intensive vegetable filed nitrogen and phosphorus loss resistance control concurrently and effect being lifted with soil fertility |
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| US20060130546A1 (en) * | 2002-11-21 | 2006-06-22 | William Beaton | Methods for improving crop growth |
| CN101215539A (en) * | 2008-01-07 | 2008-07-09 | 周文彩 | Microorganism bacterium composition, blue algae biological bacterium leaven containing the same, nutriment and biological organic fertilizer, and preparing method thereof |
| CN107501012A (en) * | 2017-08-14 | 2017-12-22 | 山东省农业科学院农业资源与环境研究所 | A kind of composite of intensive vegetable filed barrier nitrogen phosphorus leaching loss and application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205875A (en) * | 2020-01-15 | 2020-05-29 | 浙江农林大学 | Soil nitrogen and phosphorus regulating agent based on shells and agriculture and forestry solid waste and preparation method thereof |
| CN111763516A (en) * | 2020-07-07 | 2020-10-13 | 天津农学院 | Soil restoration conditioner for greenhouse phosphorus-rich polluted vegetable field as well as preparation method and application of soil restoration conditioner |
| CN111763516B (en) * | 2020-07-07 | 2021-09-17 | 天津农学院 | Soil restoration conditioner for greenhouse phosphorus-rich polluted vegetable field as well as preparation method and application of soil restoration conditioner |
| CN114621039A (en) * | 2020-12-11 | 2022-06-14 | 中国科学院大连化学物理研究所 | Application of polysaccharide as soil conditioner |
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