CN107628863A - A kind of composition for having intensive vegetable filed nitrogen and phosphorus loss resistance control concurrently and effect being lifted with soil fertility - Google Patents
A kind of composition for having intensive vegetable filed nitrogen and phosphorus loss resistance control concurrently and effect being lifted with soil fertility Download PDFInfo
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Abstract
The present invention provides a kind of composition for having intensive vegetable filed nitrogen and phosphorus loss resistance control concurrently and effect being lifted with soil fertility, including following component, 30~50 parts of modified straw powder, 20~30 parts of charcoal, 15~25 parts of oyster shell whiting, 10~15 parts of bentonite, 5~10 parts of chitosan oligosaccharide, 10~15 parts of edible fungi residue.The present invention improves effective utilization of nitrogen phosphorus using the strong suction-operated of modified straw powder, oyster shell whiting to the fixation of ammonium nitrogen, soil medium high carbon nitrogen to the chemical fixation of phosphorus, bentonite than lower denitrifying bacteria to the denitrification conversion of nitrate nitrogen and microorganism conversion, and act synergistically lower effectively resistance control nitrogen and phosphorus loss.Soil physical chemistry property can also be improved, culture fertility, activation Soil Microorganism activity, nitrogen phosphorus nutrient in soil is improved, increase N,P use efficiency, reduce the application of fertilizer, it is cost-effective.
Description
Technical field
The composition that intensive vegetable filed nitrogen and phosphorus loss hinders control and soil fertility lifts effect is had concurrently the present invention relates to a kind of, belongs to agricultural
Pollution of area source Control Technology field.
Background technology
In the past 40 years, because sustainable growth trend, underground is presented in the influence of human factor, phreatic water nitrate concentration
Water pollution problems has caused many national special attentions.And intensive facilities vegetable growing area is groundwater azotate pollution
Major area.For vegetable grower to improve the yield of vegetable crop, the way to manage of " loose water is diligent " seriously result in Soil nutrient accumulation
Deteriorate with groundwater environment.The average amount of nitrogen 1382kg Nhm of booth vegetable-2, about wheat, 6~7 times of corn.With plantation
The time limit extends groundwater azotate and ascendant trend is presented, and rising is extremely rapid, the higher vegetable plot of closeness, underground water is caused
Pollution it is more serious.On the other hand, the land use mode that tradition falls behind not only makes basic building block-granule of soil productivity
Destructurized, the content of organic matter reduces, and chronic administration chemical fertilizer can also cause soil acidification and soil hardening, and physicochemical property becomes
Difference, cause yield of vegetables to decline, form vicious circle.
At present, in order to solve the contradiction between vegetables demand and ecological environment, wherein important one side is to face height to apply
The reality of fertilizer amount and desirability, based on solving the problem of environmental pollution of nitrogen phosphorus under conditions of chemical fertilizer is largely applied, reduce
With control layout planning soil nitrogen phosphorus content, risk of the nitrogen phosphorus to underground water leaching is reduced, promotes horticultural vegetable field soil nutrient balance, carries
The high level of resources utilization, improve soil physico-chemical property, lift soil fertility, improve yield of vegetables.Therefore, research can reduce the dirt of nitrogen phosphorus
Dye, and can improves the horizontal method and measure of soil productivity, to promoting Control for Sustainable Development in Protective Vegetables Production in China and agriculture environmental protection
With important practical significance.
The A of Chinese patent literature CN 104230606 (application number 201410403856.3) disclose that a kind of field of vegetables is special to be had
Machine composite fertilizer, the composite fertilizer are fabricated in the form of being granulated, and outer layer is Chinese herb residues organic fertilizer, internal layer is Chinese herb residues and list
Matter chemistry fertilizer, then using two step method high temperature constant temperature composting process produce sludge, Chinese herb residues particle different ratio it is organic multiple
Hefei.The patented product has reducing effect to nitrogen loss, but the product belongs to fertilizer product field.
The A of Chinese patent literature CN 103804051 (application number 201410037689.5) disclose a kind of reduce and plant melon
The compound fertilizer that fruit type vegetable soil nitrogen phosphorus is lost in, one kind is 10 parts of N, K26.6~7.5 parts of O and dejection organic fertilizer, another kind
For P2O54~5 parts and dejection organic fertilizer, internal layer are that inorganic fertilizer outer layer is that organic fertilizer is manufactured into granular fertilizers, for reducing kind
Melon-fruit-like vegetable soil nitrogen phosphorus is planted to be lost in.The patented product belongs to sustained-controll-release fertiliser product, belongs to fertilizer product field.
The A of Chinese patent literature CN 105001024 (application number 201510437628.2) disclose one kind and have nitrification suppression concurrently
System and urase suppress the preparation of function, are carried by reducing in ammonium nitrate urea the ammonification of amidonitrogen and the nitrification of ammonium nitrogen
High nitrogen fertilizer utilization rate, the patent belong to stable fertilizer product scope.
The content of the invention
For above-mentioned the deficiencies in the prior art, i.e. invention is to slow down nitrogen from fertilizer angle by Sources controlling
Phosphorus loss, the present invention research and develop one kind by hindering control angle during nitrogen and phosphorus loss and have intensive vegetable filed nitrogen and phosphorus loss resistance control and ground concurrently
Power lifts the composition of effect.The key point of the present invention in composition in high-carbon, calcium and magnesium and copper zinc, iron, manganese etc. is provided to soil
Substantially do not bring nitrogen phosphorus nutrient while trace element lifting soil fertility into, and soil pair can be improved by acting synergistically between each component
Guarantor's accumulation of energy power of nitrogen phosphorus, reduce nitrogen and phosphorus loss.
A kind of present invention one side, there is provided combination for having intensive vegetable filed nitrogen and phosphorus loss resistance control concurrently and effect being lifted with soil fertility
Thing, by weight, including following component：
30~50 parts of modified straw powder, 20~30 parts of charcoal, 15~25 parts of oyster shell whiting, 10~15 parts of bentonite, shell are few
5~10 parts of sugar, 10~15 parts of edible fungi residue.
It is swollen according to currently preferred, 35~45 parts of modified straw powder, 22~28 parts of charcoal, 18~22 parts of oyster shell whiting
12~15 parts of profit soil, 5~8 parts of chitosan oligosaccharide, 10~15 parts of edible fungi residue.
Wherein, there is provided the method for modifying of powder of straw is (with reference to paper《Modified agricultural straw is inhaled to nitrate anion, phosphate radical in water
The research of attached effect》)：
Stalk pretreatment：First stalk is cleaned up with distilled water, dried 12 hours at 60 DEG C, then crushed about 500 μ
M sieves, obtain powder of straw and be placed in the preservation of drier interior sealing.
Powder of straw is modified：(1) the priming reaction stage：The pretreated powder of straw of 2~5g is weighed, is placed in 100~150mL
In the mixed solution of DMF (DMF) and 50~100mL epoxychloropropane, the heating water bath at 70~100 DEG C
And stir 0.5~2h；(2) it is catalyzed the bridging stage of reaction：Add 10~30mL pyridine solutions and make catalyst continuation at 70~100 DEG C
Lower heating water bath simultaneously stirs 0.5~2h；(3) the ring graft reaction stage：30~50mL dimethylamine (33%) solution is added to continue
2~4h of heating water bath at 70~100 DEG C, the corn stalk powder (preliminary product) after being grafted；
Powder of straw cleaning step：A) powder of straw after grafting is cooled to normal temperature, 2 is eluted with 0.1mol/L NaOH solution
~3 times, transfer in glass beaker, pour into 500mL, 0.1mol/L the NaOH aqueous solution, the heating water bath at 30~40 DEG C
And 5~10min of strong stirring makes a return journey except ash content, residue, par-tial polysaccharide material etc.；B) with 0.lmol/L HC1 solution elution 2
Transfer in glass beaker for~3 times, pour into 500mL0.1mol/LHC1 solution, heating water bath and strongly stirred at 30~40 DEG C
Mix 5~10min and adjust pH to neutrality；C) eluted 2~3 times with the ethanol water that concentration is 50%, then be placed in 500mL concentration
For in 50% ethanol water, heating water bath and 8~10min of strong stirring remove residual organic reactant at 30~40 DEG C
And catalyst pyridine；D) eluted 2~3 times, then be placed in 500mL, 0.1mol/LNaCl solution with 0.1mol/LNaCl solution,
Heating water bath and 5~10min of strong stirring, the powder of straw after being cleaned at 30~40 DEG C；
It is dried for standby：Successful powder of straw will be grafted 10~12h is dried at 60~65 DEG C, and cross sieve classification, you can be made
The anion adsorbent of different-grain diameter, it is standby.
According to needs of the present invention, preferably：Each component dosage is in the preparation process of the modified straw powder：Powder of straw
4g, DMF 140mL, epoxychloropropane 70mL, pyridine solution 20mL.
Second aspect of the present invention, there is provided the above-mentioned combination for having intensive vegetable filed nitrogen and phosphorus loss resistance control concurrently and effect being lifted with soil fertility
The preparation method and application method of thing.
Preparation method, step are：(1) modified straw powder, charcoal, oyster shell whiting, bentonite, shell are weighed by above-mentioned parts by weight
Oligosaccharides, edible fungi residue；(2) raw material is mixed to even, mixing time 10min using powder stirrer；(3) extruder grain, it is granulated
Condition：The raw material preheating time is 30min, and temperature is 50~60 DEG C, flow 500kg/h；Particle is in the form of a column, particle diameter be 3~
5mm, length are 15~20mm.
Powder stirrer is a kind of high-efficiency and energy-saving type newly developed, for stirring the industries such as the various industrial chemicals of putty paste class
Machinery, simple in construction, sturdy and durable, supporting power is small, efficiency high, consume energy low, simple to operate, time saving and energy saving, dispersibility
It is the ideal equipment made powder of lacquer putty for use on cream and stir industrial chemicals up to 18000.
Above-mentioned nitrogen and phosphorus loss resistance control and the application process of soil fertility lifting composition：Greenhouse rotary tillage when by this composition and bottom
During fertilizer is manured into soil together, the depth that is manured into soil is 0~30cm, and this composition amount of application is 500~1500kg/ mus.
, it is preferred according to the present invention that composition amount of application is 1000~1500kg/ mus.
Stalk has the characteristics that specific surface area is big, absorption property is good, stability is strong as absorption material, is frequently used in water
The removal of nitrate anion, phosphate radical, and be used for soil carry out reduce nitrogen phosphorus leaching loss and it is few；More is all to utilize stalk
The nutrient effects and improvement farmland ecological environment effect of returning to the field, to increase crop yield.Modified powder of straw ratio in the present invention
Surface area is improved more than 30%, and can improve decomposition rate, and organic matter mineralization ability also strengthens.
Charcoal be organic matter raw material under completely or partially anoxia condition, by high temperature pyrolysis (typically smaller than 700
DEG C) caused by it is a kind of rich in carbon, height aromatization and the high organic substance of stability, be Global climate change, crisis in food and
Ecological pollution reparation etc. provides comprehensive solution.Charcoal there is obvious improvement to make soil physics and chemical property
With：First, its porosity characteristic and high-specific surface area are advantageous to soil moisture build op, improve porosity, reduce unit weight；Matter is measured
Charcoal content of humic acid can promote the formation of soil granular structure, and mixed apply of stalk to improve soil up to more than 50%
Structural character, so as to providing good environment for plant growth.Meanwhile charcoal can improve soil organic carbon, its table
Electric charge and functional group that face is rich in are also beneficial to the reservation of soil nutrient.
Oyster shell whiting is oyster shell whiting pulverized powder, and its main component is calcium carbonate, also rich in magnesium and a small amount of copper, iron, manganese, zinc etc.
Trace element and amino acid etc., certain guarantee can be provided as a kind of animal waste for plant growth.With facility plastic greenhouse
The development of vegetables, calcareous fertilisers are increasingly subject to pay attention to.Calcium is the important composition composition of plant plasma membrane serves and cell membrane, influences neoblast
Formation；Or amylase, the activator of protease, can promote the absorption of plant nutrient.
Bentonite is the nonmetallic minerals using montmorillonite as main mineral constituent, and smectite structure is by two silica four sides
Body presss from both sides the 2 of one layer of alumina octahedral composition:1 type crystal structure, because the layer structure that montmorillonite structure cell is formed has some sun
Ion, such as Cu, Mg, Na, K, and the effect of these cations and montmorillonite structure cell is very unstable, is easily handed over by other cations
Change, therefore there is preferable ion exchangeable.Wetland can be formed molecule grid by bentonite, so as to play Stagnant ammonium state
The effect of nitrogen, it can also reduce the volatilization of hydrone, using water wisely.
Chitosan oligosaccharide is called Chitosan poly oligosaccharide, chitosan oligomer, is that through special biological enzyme technology (chitosan is also had into useization
Learn degraded, the report of microwave degradation technology) a kind of obtained degree of polymerization of degrading oligosaccharide composition between 2~20, molecular weight≤
3200Da, it is good water solubility, the low molecular weight product that function is big, bioactivity is high, has and profit is easily absorbed by organism
With etc. many unique functions.In agriculture field, chitosan oligosaccharide can change soil flora, promote beneficial microorganism growth, may be used also
Induce the disease resistance of plant, immune and killing action produced to a variety of fungies, bacterium and virus, can develop for biological pesticide,
Growth regulator and fertilizer etc..
Edible fungi residue refers to remaining solid waste after various edible fungus culturings.For example, mushroom dreg, pleurotus eryngii bacterium
Slag, mushroom bacteria residue, flat mushroom bacteria residue, straw mushroom residue, needle mushroom dreg etc.；Or the mixture of various bacteria residues.Edible fungi
Slag has loose porous physical property, contains abundant organic matter, bioactive ingredients and a variety of soluble organic nutritioies.Also
Containing the trace element such as nutrient, copper, zinc, iron, manganese is measured in calcium, magnesium, sulphur etc., there is other work such as multiple-microorganism and enzyme
Property material, abundant organic and inorganic nutrients can be provided for soil.Contained beneficial mycelium and active biological enzyme, can be notable
Increase soil beneficial microorganism quantity, improve structure of soil microbial community, improve biological activity of soil.Improved soil is managed
Change character and micro-ecological environment, have positive role.The formation of soil granular structure is not only contributed to during bacteria residue is manured into soil, is carried
The water holding capacity of high soil, increase the gas permeability of soil, improve soil physical properties, promote plant growth.And soil can be improved
Earth fertility, increase the soil organism and nutrient content and its validity, improve the effect of soil microbial activities.
Nitrogen and phosphorus loss and the mechanism of lifting soil fertility are controlled in present composition resistance：
A) modified straw powder has stronger retention suction-operated to nitrified nitrogen in soil and phosphate radical in composition；Shell
Calcium ion can form calcium phosphate precipitation with phosphate radical in powder, temporarily protect and store in soil；The adsorbable fixed ammonium nitrogen of bentonite from
Son；The balance of nitrogen phosphorus nutrient content and crop absorbed nitrogen phosphorus in soil is kept by acting synergistically, slows down the leaching loss of nitrogen phosphorus, increase
The utilization of nitrogen phosphorus；
B) powder of straw, charcoal, bacteria residue and the sustainable offer carbon sources at different levels of chitosan oligosaccharide in composition, in lower soil anoxic
Denitrifying bacteria can be excited active in environment, by denitrification by NO3 -It is converted into NH4 +、N2Deng NH4 +It is solid by bentonite etc.
Fixed, charcoal can reduce N2And N2The release of the gases such as O, reduce NO in nitrogen source loss and soil3 -Leaching loss；
C) application of the composition as high-carbon material, using high-carbon promote nitrogen principle can Effective Regulation nitrogen conversion, and itself
Can be as the adjusting control agent of phosphorus nutrient；Under the penetrating environment of topsoil soils high-carbon, Soil Microorganism can be excited active, improve nutrient
Conversion ratio, strengthen nitrogen phosphorus nutrient in soil, improve plant recovery of nutrient；
D) powder of straw can increase Organic cementing substance content in soil, and the humus enriched in charcoal is crumb structure
Good cementing agent, the application of bacteria residue are also beneficial to the formation of crumb structure, another bentonite by cell configuration with it is inorganic in soil
It the exchange interaction of salt, can make soil that there is water-retaining property, nutrient preserving capability and gas permeability, improve soil physics structure, provided for crop good
Good growing environment；
E) carry out returning to the field while resistance control nitrogen and phosphorus loss after composition is manured into soil, carbon fixation and emission reduction, supplement high-carbon nutrient and
Middle trace element, increase soil organic matter content, continue improved soil fertility.
This hair has the advantages that：
1st, resistance control nitrogen and phosphorus loss, significant effect：Using the strong suction-operated of modified straw powder, oyster shell whiting in composition to phosphorus
Chemical fixation, bentonite to the fixation of ammonium nitrogen, soil medium high carbon nitrogen than lower denitrifying bacteria to nitrate nitrogen
Denitrification converts and microorganism conversion improves effective utilization of nitrogen phosphorus, and act synergistically lower effectively resistance control nitrogen and phosphorus loss, and effect shows
Write, concrete outcome is shown in Table 2.
2nd, soil physical chemistry property, culture fertility are improved：Composition components have stronger fertilizer conservation water retention property, increase
The polymerization stability of soil, improve the crumb structure of soil, improve the gas porosity and aeration of soil, provided for crop good raw
Long environment；Application of the composition as high-carbon material, improve structure of soil microbial community, improve soil organic matter content, training
Fertile soil fertility.Break continuous cropping obstacle, continuous cropping yield is barely affected.
3rd, use manpower and material resources sparingly：During greenhouse site preparation, composition is applied together with base fertilizer, avoids the throwing of independent labour
Enter；It is real and this composition is applied to various fertilising customs and cropping pattern, is applied on the basis of peasant's fertilizing method is not changed
It is strong with property.
4th, raw material is environmentally friendly, is easy to get, cost-effective：Soil Microorganism activity can be activated under high carbon-nitrogen ratio, is improved in soil
Nitrogen phosphorus nutrient, increase N,P use efficiency, reduce the application of fertilizer, it is cost-effective；Composition material is cheap and easy to get, solid after returning to the field
Carbon emission reduction, waste material recycling is realized while agricultural environment is improved, reduces cost.
Embodiment
Technical scheme and its caused technique effect are done further with reference to specific test method
Illustrate, the description below but is not any limitation as to the present invention, made based on the present invention merely to explain the present invention in any way
Any conversion or replacement, belong to protection scope of the present invention.The method of the invention is this area unless otherwise specified
Conventional method.
Raw material explanation：Powder of straw is made after using stalk crasher, stalk is crushed；The preparation method of modified straw powder
As previously described.Charcoal described in embodiment, oyster shell whiting, bentonite, chitosan oligosaccharide are ordinary commercial products.
Embodiment
Each component dosage is as shown in table 1 below in the composition of embodiment, in parts by weight,
Each component dosage (parts by weight) in the embodiment of table 1
| Modified straw powder | Charcoal | Oyster shell whiting | Bentonite | Chitosan oligosaccharide | Edible fungi residue | |
| Embodiment 1 | 35 | 20 | 25 | 15 | 5 | 15 |
| Embodiment 2 | 40 | 25 | 20 | 10 | 7 | 13 |
| Embodiment 3 | 45 | 22 | 15 | 13 | 6 | 14 |
| Embodiment 4 | 30 | 30 | 17 | 15 | 8 | 15 |
Preparation method, step are：(1) modified straw powder, charcoal, oyster shell whiting, bentonite, shell are weighed by above-mentioned parts by weight
Oligosaccharides, edible fungi residue；(2) raw material is mixed to even, mixing time 10min using powder stirrer；(3) extruder grain, it is granulated
Condition：The raw material preheating time is 30min, and temperature is 50~60 DEG C, flow 500kg/h；Particle is in the form of a column, particle diameter be 3~
5mm, length are 15~20mm.
Test example one：By above-described embodiment and the composition of comparative example, using effect contrasts in newly-built greenhouse within 2016.
The composition of above-described embodiment 1~4 is respectively adopted in application examples 1~4.Greenhouse rotary tillage when by composition and base fertilizer one
Rise in being manured into soil, the depth that is manured into soil is 0~30cm, and amount of application is 1000kg/ mus.
Comparative example uses following compositions：40 parts of powder of straw, 25 parts of charcoal, 20 parts of oyster shell whiting, 10 parts of bentonite, shell are few
7 parts of sugar, 13 parts of edible fungi residues, the composition being prepared according to the method same with the present invention.Application method is also in big
Canopy rotary tillage when said composition is manured into soil together with base fertilizer, the depth that is manured into soil is 0~30cm, amount of application is
1000kg/ mus.
Reference examples CK is not apply above-mentioned composition, blank control group.
Plant cucumber in newly-built greenhouse facility vegetable plot, application examples, comparative example and reference examples cultivated area is identical, Fertilization Level
And field management measure etc. is completely the same.After cucumber harvests, nitrogen phosphorus Leaching loss in soil is determined.
As a result it is as shown in table 2 below：
The influence of the present composition of table 2 nitrogen and phosphorus loss control to cucumber in greenhouse
Such as draw a conclusion as can be drawn from Table 2：
(1) after using the present composition in layout planning, nitrogen phosphorus leaching loss, highest in soil can be substantially reduced
(application examples 2) total nitrogen (TN) Leaching loss reduces by 41.6%, total phosphorus (TP) Leaching loss and reduces 45.6%.
(2) each component dosage all same used in the composition of application examples 2 and comparative example, it is unique unlike application examples 2
For modified straw powder, and comparative example directly uses powder of straw.Significant difference in terms of two groups of reduction nitrogen phosphorus leaching loss.Application examples 2 is total
Nitrogen (TN) Leaching loss reduces by 41.6%, total phosphorus (TP) Leaching loss and reduces 45.6%.And comparative example total nitrogen (TN) Leaching loss is reduced
30%th, total phosphorus (TP) Leaching loss reduces 9.8%.It is more preferable to illustrate that modified straw powder is used for reduction nitrogen and phosphorus loss effect in soil.
Test example two：2016~2017 years to each application examples, comparative example and reference examples planting area in above-mentioned test example one
Interior 3 batches of continuous cropping cucumber.
2016 to 2017 cucumber in greenhouse doses and output statistics, are shown in Table 3.Other field management etc. and conventional plants
Cucumber cultivation is the same.Soil nutrient is analyzed after 3 batches of continuous cropping, the results are shown in Table 4.
3 continuous cropping of table, 3 batches of cucumber doses and yield
As can be seen from Table 3, using the application examples 1~4 of the present composition, it is less than the basis of control group in dose
On, yield is compared with control group height.Especially after 3 batches of continuous cropping, the control group underproduction 15.5%.And use the application of the present composition
Group yield is barely affected.
To soil plough horizon nutrient analysis after 3 batches of continuous cropping, organic matter, alkali-hydrolyzable nitrogen, rapid available phosphorus, available potassium, pH value are measured, as a result
It is shown in Table 4.
The soil nutrient measurement result of table 4
As can be seen from Table 4, it is low with comparative example dose using the application examples 1~4 of the present composition after 3 batches of continuous cropping
On the basis of reference examples CK, soil nutrient content remains above reference examples；Compared with reference examples, organic matter highest improves
21.0%, alkali-hydrolyzable nitrogen, rapid available phosphorus and available potassium are maximum respectively to improve 24.1%, 17.6% and 19.1%.PH value is apparently higher than right
As usual, it is seen then that soil acidification problem caused by alleviating continuous fertilization using the present composition.
As can be seen that the present invention not only hinders control nitrogen and phosphorus loss significant effect from above-mentioned experiment, can also activate micro- in soil
Bioactivity, nitrogen phosphorus nutrient in soil is improved, increase N,P use efficiency, reduce the application of fertilizer.And can increase soil fertility,
Improve soil physico-chemical property, avoid the underproduction caused by continuous cropping.The present invention makes full use of scrap feed material, can not only effective prevention and control nitrogen
Phosphorus loss, soil pollution of area source is reduced, and the effect of soil fertility lifting each side can be played, it is especially real for vegetable grower
With.
Claims (6)
1. a kind of composition for having intensive vegetable filed nitrogen and phosphorus loss resistance control concurrently and effect being lifted with soil fertility, it is characterized in that, by weight,
Including following component：30~50 parts of modified straw powder, 20~30 parts of charcoal, 15~25 parts of oyster shell whiting, 10~15 parts of bentonite,
5~10 parts of chitosan oligosaccharide, 10~15 parts of edible fungi residue.
2. have the composition that intensive vegetable filed nitrogen and phosphorus loss resistance control lifts effect with soil fertility concurrently as claimed in claim 1, its feature
It is, by weight, including following component：35~45 parts of modified straw powder, 22~28 parts of charcoal, 18~22 parts of oyster shell whiting,
12~15 parts of bentonite, 5~8 parts of chitosan oligosaccharide, 10~15 parts of edible fungi residue.
3. having the composition that intensive vegetable filed nitrogen and phosphorus loss resistance control lifts effect with soil fertility concurrently as claimed in claim 1 or 2, it is special
Sign is that each component dosage is in the preparation process of the modified straw powder：Powder of straw 4g, DMF 140mL, ring
Oxygen chloropropane 70mL, pyridine solution 20mL.
4. prepare the composition for having intensive vegetable filed nitrogen and phosphorus loss resistance control and soil fertility concurrently and lifting effect described in claim 1 or 2
Method, it is characterized in that, step is：(1) modified straw powder, charcoal, oyster shell whiting, bentonite, shell widow are weighed by the parts by weight
Sugar, edible fungi residue；(2) raw material is mixed to even, mixing time 10min using powder stirrer；(3) extruder grain；It is granulated bar
Part：The raw material preheating time is 30min, and temperature is 50~60 DEG C, flow 500kg/h；Particle is in the form of a column, and particle diameter is 3~5mm,
Length is 15~20mm.
5. have concurrently as claimed in claim 1 or 2 intensive vegetable filed nitrogen and phosphorus loss resistance control and soil fertility lifted effect composition should
With method, it is characterized in that, in greenhouse rotary tillage when the composition is manured into soil together with base fertilizer, the depth that is manured into soil is
0~30cm.
6. application as claimed in claim 5, it is characterized in that, the composition amount of application is 1000~1500kg/ mus.
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| CN109628106A (en) * | 2019-02-11 | 2019-04-16 | 东北农业大学 | A kind of soil in protected field modifying agent and its application |
| CN110063102A (en) * | 2019-03-27 | 2019-07-30 | 河南省农业科学院植物营养与资源环境研究所 | The composition of intensive vegetable filed barrier phosphorus leaching and its application |
| CN110615721A (en) * | 2018-06-20 | 2019-12-27 | 四川省农业科学院生物技术核技术研究所 | Soil biological denitrifier and preparation method and application thereof |
| CN110819359A (en) * | 2019-11-22 | 2020-02-21 | 山东寡糖谷生物科技有限公司 | Method for preparing composite oligosaccharide soil remediation agent |
| 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 |
| CN111978115A (en) * | 2020-09-09 | 2020-11-24 | 南开大学 | Farmland soil nitrogen and phosphorus loss biochar interception and recycling system and method |
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| CN110063102A (en) * | 2019-03-27 | 2019-07-30 | 河南省农业科学院植物营养与资源环境研究所 | The composition of intensive vegetable filed barrier phosphorus leaching and its application |
| CN110819359A (en) * | 2019-11-22 | 2020-02-21 | 山东寡糖谷生物科技有限公司 | Method for preparing composite oligosaccharide soil remediation agent |
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Application publication date: 20180126 |