CN110028353A - A kind of control release type chelating microbial manure and preparation method thereof - Google Patents
A kind of control release type chelating microbial manure and preparation method thereof Download PDFInfo
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- CN110028353A CN110028353A CN201910322589.XA CN201910322589A CN110028353A CN 110028353 A CN110028353 A CN 110028353A CN 201910322589 A CN201910322589 A CN 201910322589A CN 110028353 A CN110028353 A CN 110028353A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention discloses a kind of control release type chelating microbial manures and preparation method thereof, belong to technical field of fertilizers.The fertilizer is made of fertile slug particle with the coated fertilizer for being coated on fertile slug particle surface, and wherein coated fertilizer dosage accounts for the 5%~7% of fertile slug particle total weight；The fertilizer slug particle is to be prepared from the following raw materials in parts by weight: 20-40 parts of urea, 20-40 parts of ostreae testa pulverata, 60-80 parts of the fibert dregs of rice, 40-60 parts of seaweed slag, 1-5 parts of compound microbial bacterial agent, 10-20 parts of polypeptide chelate liquid, 1-10 parts of potassium dihydrogen phosphate；The coated fertilizer is made of polyvinyl alcohol and acrylic acid-acrylic acid hydroxypropyl acrylate-styrol copolymer according to the weight ratio of 5:1.Coated fertilizer biodegradability of the present invention is good, and the slow controlled release properties of nutrient are good, and the controlled release phase reaches 112 days, complies fully with the nutrient uptake feature of Chinese Cabbage phase, realizes that Chinese Cabbage phase single fertilization, Chinese cabbage quality and yield are all significantly improved.
Description
Technical field
The present invention relates to a kind of microbial manure, specifically a kind of control release type chelating microbial manure and its preparation side
Method.
Background technique
With the extensive application in agricultural production such as present agrochemical product such as chemical fertilizer, pesticide, the yield of agricultural product is obtained
Unprecedented raising, while agricultural product are also increasingly stronger to the dependence of agrochemical product.But chemical fertilizer and the long-term of pesticide largely make
With and crop itself continuous cropping obstacle so that the obstruction factor of more and more unfavorable plant growths is accumulated in soil, to ring
Various forms of pollutions and destruction caused by border also increasingly cause the worry of people.Simultaneously as dose is growing, soil
Organic matter specific gravity declines in earth structure, and water conservation, fertilizer, transparency are deteriorated, hardened seriously to cause soil erosion, ecological disturbance,
Utilization rate of fertilizer is also lower and lower.Thus, how to improve soil property, improving utilization rate of fertilizer becomes grinding for current fertilizer field
Study carefully direction.
Release and release control fertilizer is the advanced form of slow release fertilizer, can preset fertilizer in plant growth by various mechanism
The release mode in season makes its nutrient element releasing rule and crop nutrition content absorb basic synchronization, to realize dynamic equilibrium, improves fertilizer
Imitate utilization rate, avoid a large amount of application fertilizer and caused by environmental pollution, thus slow-release or control-release fertilizer becomes fertilizer field in recent years
Research hotspot.And microbial manure can promote the absorption of Plant To Nutrient element, improve since it contains a large amount of beneficial microbes
Resistance to pest and disease damage and the degradation capability to residual harmful substance in soil, thus agriculturally use also increasingly
Extensively.But existing many effects of microbial manure are unstable, cost performance is not high, and generalization is weaker.It also deposits currently on the market
Slow-release or control-release fertilizer various in style, but most of slow-release or control-release fertilizers nutrient element releasing rule cannot well with crop regulation of fertilizer requirement phase
Unanimously, fertilizer preliminary solubility is excessively high, and the nutrients release period is too short, is unable to satisfy single fertilization and meets entire growth cycle fertilizer
The effect of material demand.Thus, how to develop the microbial manure that a kind of controlled-release effect is good, stability is good becomes urgently to be resolved
Problem.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of control release types to chelate microbial manure.The fertilizer
Controlled-release effect is good, and the nutrients release period can achieve 112 days, complies fully with the nutrient requirement characteristics of Autumn Chinese Cabbage, Ke Yishi
Now entire growth cycle single fertilization, saves human and material resources.Promote to plant rich in beneficial microbe in fertilizer of the invention simultaneously
Absorption and utilization of the object to nutrient promote significant effect to the quality and yield of Chinese cabbage.
The present invention also provides a kind of preparation methods of control release type chelating microbial manure.
The invention adopts the following technical scheme:
A kind of control release type chelating microbial manure, it is by fertile slug particle and the coated fertilizer for being coated on fertile slug particle surface
Composition, coated fertilizer dosage account for the 5%~7% of fertile slug particle total weight；The fertilizer slug particle is by the original of following weight proportion
Material is made: 20-40 parts of urea, 20-40 parts of ostreae testa pulverata, 60-80 parts of the fibert dregs of rice, 40-60 parts of seaweed slag, compound microbial bacterial agent
1-5 parts, 10-20 parts of polypeptide chelate liquid, 1-10 parts of potassium dihydrogen phosphate；The coated fertilizer is polyvinyl alcohol and acrylic acid-acrylic
Sour hydroxypropyl acrylate-styrol copolymer is made according to the weight ratio of 5:1.Acrylic acid-acrylic acid hydroxypropyl acrylate-therein is styrene copolymerized
Object is prepared by the method for initiator free radical solution polymerization of BPO.
The polypeptide chelate liquid is prepared using following methods: fish scrap is crushed completely, then with water
Etc. weight ratios mixing, trypsin digestion is added by mixing gross weight 1000U/g into mixture, adjusts pH value in 6.0-7.5, rises
Temperature carries out nanofiltration with nanofiltration membrane after the completion of enzymatic hydrolysis and obtains polypeptide liquid to 42-45 DEG C of enzymatic hydrolysis 20-24h；By volume into polypeptide liquid
The sodium selenite solution of 1M is added in the ratio of 2:1, adjusts pH 5.0~5.5, is warming up to 60-65 DEG C of chelatropic reaction after 4-6 hours
Gained reactant is polypeptide chelate liquid.
The complex micro organism fungicide is that pseudomonas aeruginosa and Rhodococcus ruber are mixed according to the ratio of 2:3.This hair
Bright strain used is purchased from BeNa Culture Collection Institute of Biotechnology, and sample number into spectrum is respectively pseudomonas aeruginosa BNCC340057
With Rhodococcus ruber BNCC340021.
A kind of preparation method of control release type chelating microbial manure, comprising the following steps:
(1) fish scrap is crushed completely, is then mixed with weight ratios such as water, mixing gross weight is pressed into mixture
Trypsin digestion is added in 1000U/g, adjusts pH value in 6.0-7.5, is warming up to 42-45 DEG C of enzymatic hydrolysis 20-24h, after the completion of enzymatic hydrolysis
Nanofiltration, which is carried out, with nanofiltration membrane obtains polypeptide liquid；Into polypeptide liquid, the sodium selenite solution of 1M is added in the ratio of 2:1 by volume, is adjusted
PH is saved 5.0~5.5, be warming up to 60-65 DEG C of chelatropic reaction after 4-6 hours gained reactant be polypeptide chelate liquid, it is spare；
(2) it is sent into fermentor, is added into fermentor clear after weighing ostreae testa pulverata, the fibert dregs of rice, seaweed slag by weight
Water makes water content reach 30%, is then added thereto polypeptide chelate liquid obtained by step (1), finally by complex micro organism fungicide
It is added thereto and stirs evenly, adjust fermentation jar temperature at 55~65 DEG C, crushed after fermentation 36~48 hours and obtain tunning；
(3) urea, potassium dihydrogen phosphate are crushed to be granulated again after mixing with tunning obtained by step (2) again and obtains fertilizer
Slug particle, partial size are 2.5~3mm；
(4) polyvinyl alcohol is heated to melting completely, acrylic acid-acrylic acid hydroxypropyl acrylate-benzene second is added thereto in proportion
Alkene copolymer is uniformly mixing to obtain coating liquid；
(5) fertile slug particle obtained by step (3) is placed in coating machine and is preheated to 50 DEG C, then by coating obtained by step (4)
Liquid is sprayed on fertile slug particle surface with spraying device, and cold air drying after the completion of coating dispenses up to product of the present invention.
Complex micro organism fungicide in the step (2) is that pseudomonas aeruginosa and Rhodococcus ruber are mixed according to the ratio of 2:3
Conjunction is made.
Coating liquid dosage is adjusted according to fertile slug particle gross weight in the step (5), control coating liquid dosage is fertile core gross weight
5-7%.
The beneficial effects of the present invention are: having rich in polypeptide chelate object and largely in control release type chelating microorganism fertilizer of the invention
Beneficial microorganism, fertilizer stability is good, and a large amount of beneficial microbes are bred rapidly after being applied to soil, inhibits the growth of harmful bacteria,
The resistance of plant is improved, while adjusting edaphon flora, endlessly nutrient can be conveyed to plant, can also improve
Soil physico-chemical property reduces the residual content of plant agriculture.Coated fertilizer biodegradability of the present invention is good simultaneously, and nutrient delays controlled release properties
Good, nutrient initial stage preparation is lower, and mid-term release rate is higher, and latter stage release rate is lower, and the controlled release phase reaches 112 days, completely
Meet the Chinese cabbage time of infertility to the absorption trend of N, P, K " few-more-few ", realizes Chinese Cabbage phase single fertilization, great Bai
Dish quality and yield is all significantly improved.Experiments have shown that N P and K element utilization rate compared with conventional fertilizer application, has all obtained significantly
Raising.
Detailed description of the invention
Fig. 1 is that fertilizer of the present invention accumulates nutrient release rate curve graph.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below.
Embodiment 1
A kind of control release type chelating microbial manure, it is by fertile slug particle and the coated fertilizer for being coated on fertile slug particle surface
Composition, coated fertilizer dosage account for the 5% of fertile slug particle total weight.Wherein fertile slug particle is by the raw material system of following weight proportion
At: 20 parts of urea, 20 parts of ostreae testa pulverata, 60 parts of the fibert dregs of rice, 40 parts of seaweed slag, 1 part of compound microbial bacterial agent, polypeptide chelate liquid 10
Part, 1 part of potassium dihydrogen phosphate.Coated fertilizer is polyvinyl alcohol and acrylic acid-acrylic acid hydroxypropyl acrylate-styrol copolymer according to 5:1
Weight ratio be made.Acrylic acid-acrylic acid hydroxypropyl acrylate-styrol copolymer therein is molten using BPO as initiator free radical
What the method for liquid polymerization was prepared.
Complex micro organism fungicide is that pseudomonas aeruginosa and Rhodococcus ruber are mixed according to the ratio of 2:3.Institute of the present invention
It is purchased from BeNa Culture Collection Institute of Biotechnology with strain, sample number into spectrum is respectively pseudomonas aeruginosa BNCC340057 and red
Rhodococcus sp BNCC340021.
The preparation method of above-mentioned control release type chelating microbial manure, comprising the following steps:
(1) fish scrap is crushed completely, is then mixed with weight ratios such as water, mixing gross weight is pressed into mixture
Trypsin digestion is added in 1000U/g, adjusts pH value in 6.0-7.5, is warming up to 42-45 DEG C of enzymatic hydrolysis 20-24h, after the completion of enzymatic hydrolysis
Nanofiltration, which is carried out, with nanofiltration membrane obtains polypeptide liquid；Into polypeptide liquid, the sodium selenite solution of 1M is added in the ratio of 2:1 by volume, is adjusted
PH is saved 5.0~5.5, be warming up to 60-65 DEG C of chelatropic reaction after 4-6 hours gained reactant be polypeptide chelate liquid, it is spare；
(2) it is sent into fermentor, is added into fermentor clear after weighing ostreae testa pulverata, the fibert dregs of rice, seaweed slag by weight
Water makes water content reach 30%, is then added thereto polypeptide chelate liquid obtained by step (1), finally by complex micro organism fungicide
It is added thereto and stirs evenly, adjust fermentation jar temperature at 55~65 DEG C, crushed after fermentation 36~48 hours and obtain tunning；
(3) urea, potassium dihydrogen phosphate are crushed to be granulated again after mixing with tunning obtained by step (2) again and obtains fertilizer
Slug particle, partial size are 2.5~3mm；
(4) polyvinyl alcohol is heated to melting completely, acrylic acid-acrylic acid hydroxypropyl acrylate-benzene second is added thereto in proportion
Alkene copolymer is uniformly mixing to obtain coating liquid；
(5) fertile slug particle obtained by step (3) is placed in coating machine and is preheated to 50 DEG C, then by coating obtained by step (4)
Liquid is sprayed on fertile slug particle surface with spraying device, and cold air drying after the completion of coating dispenses up to product of the present invention.
Embodiment 2
A kind of control release type chelating microbial manure, it is by fertile slug particle and the coated fertilizer for being coated on fertile slug particle surface
Composition, coated fertilizer dosage account for the 6% of fertile slug particle total weight.Wherein fertile slug particle is by the raw material system of following weight proportion
At: 40 parts of urea, 40 parts of ostreae testa pulverata, 80 parts of the fibert dregs of rice, 60 parts of seaweed slag, 5 parts of compound microbial bacterial agent, polypeptide chelate liquid 20
Part, 10 parts of potassium dihydrogen phosphate.Coated fertilizer is polyvinyl alcohol and acrylic acid-acrylic acid hydroxypropyl acrylate-styrol copolymer according to 5:1
Weight ratio be made.Acrylic acid-acrylic acid hydroxypropyl acrylate-styrol copolymer therein is molten using BPO as initiator free radical
What the method for liquid polymerization was prepared.
Complex micro organism fungicide is that pseudomonas aeruginosa and Rhodococcus ruber are mixed according to the ratio of 2:3.Institute of the present invention
It is purchased from BeNa Culture Collection Institute of Biotechnology with strain, sample number into spectrum is respectively pseudomonas aeruginosa BNCC340057 and red
Rhodococcus sp BNCC340021.
The preparation method of above-mentioned control release type chelating microbial manure, comprising the following steps:
(1) fish scrap is crushed completely, is then mixed with weight ratios such as water, mixing gross weight is pressed into mixture
Trypsin digestion is added in 1000U/g, adjusts pH value in 6.0-7.5, is warming up to 42-45 DEG C of enzymatic hydrolysis 20-24h, after the completion of enzymatic hydrolysis
Nanofiltration, which is carried out, with nanofiltration membrane obtains polypeptide liquid；Into polypeptide liquid, the sodium selenite solution of 1M is added in the ratio of 2:1 by volume, is adjusted
PH is saved 5.0~5.5, be warming up to 60-65 DEG C of chelatropic reaction after 4-6 hours gained reactant be polypeptide chelate liquid, it is spare；
(2) it is sent into fermentor, is added into fermentor clear after weighing ostreae testa pulverata, the fibert dregs of rice, seaweed slag by weight
Water makes water content reach 30%, is then added thereto polypeptide chelate liquid obtained by step (1), finally by complex micro organism fungicide
It is added thereto and stirs evenly, adjust fermentation jar temperature at 55~65 DEG C, crushed after fermentation 36~48 hours and obtain tunning；
(3) urea, potassium dihydrogen phosphate are crushed to be granulated again after mixing with tunning obtained by step (2) again and obtains fertilizer
Slug particle, partial size are 2.5~3mm；
(4) polyvinyl alcohol is heated to melting completely, acrylic acid-acrylic acid hydroxypropyl acrylate-benzene second is added thereto in proportion
Alkene copolymer is uniformly mixing to obtain coating liquid；
(5) fertile slug particle obtained by step (3) is placed in coating machine and is preheated to 50 DEG C, then by coating obtained by step (4)
Liquid is sprayed on fertile slug particle surface with spraying device, and cold air drying after the completion of coating dispenses up to product of the present invention.
Embodiment 3
A kind of control release type chelating microbial manure, it is by fertile slug particle and the coated fertilizer for being coated on fertile slug particle surface
Composition, coated fertilizer dosage account for the 7% of fertile slug particle total weight.Wherein fertile slug particle is by the raw material system of following weight proportion
At: 30 parts of urea, 30 parts of ostreae testa pulverata, 70 parts of the fibert dregs of rice, 50 parts of seaweed slag, 3 parts of compound microbial bacterial agent, polypeptide chelate liquid 15
Part, 5 parts of potassium dihydrogen phosphate.Coated fertilizer is polyvinyl alcohol and acrylic acid-acrylic acid hydroxypropyl acrylate-styrol copolymer according to 5:1
Weight ratio be made.Acrylic acid-acrylic acid hydroxypropyl acrylate-styrol copolymer therein is molten using BPO as initiator free radical
What the method for liquid polymerization was prepared.
Complex micro organism fungicide is that pseudomonas aeruginosa and Rhodococcus ruber are mixed according to the ratio of 2:3.Institute of the present invention
It is purchased from BeNa Culture Collection Institute of Biotechnology with strain, sample number into spectrum is respectively pseudomonas aeruginosa BNCC340057 and red
Rhodococcus sp BNCC340021.
The preparation method of above-mentioned control release type chelating microbial manure, comprising the following steps:
(1) fish scrap is crushed completely, is then mixed with weight ratios such as water, mixing gross weight is pressed into mixture
Trypsin digestion is added in 1000U/g, adjusts pH value in 6.0-7.5, is warming up to 42-45 DEG C of enzymatic hydrolysis 20-24h, after the completion of enzymatic hydrolysis
Nanofiltration, which is carried out, with nanofiltration membrane obtains polypeptide liquid；Into polypeptide liquid, the sodium selenite solution of 1M is added in the ratio of 2:1 by volume, is adjusted
PH is saved 5.0~5.5, be warming up to 60-65 DEG C of chelatropic reaction after 4-6 hours gained reactant be polypeptide chelate liquid, it is spare；
(2) it is sent into fermentor, is added into fermentor clear after weighing ostreae testa pulverata, the fibert dregs of rice, seaweed slag by weight
Water makes water content reach 30%, is then added thereto polypeptide chelate liquid obtained by step (1), finally by complex micro organism fungicide
It is added thereto and stirs evenly, adjust fermentation jar temperature at 55~65 DEG C, crushed after fermentation 36~48 hours and obtain tunning；
(3) urea, potassium dihydrogen phosphate are crushed to be granulated again after mixing with tunning obtained by step (2) again and obtains fertilizer
Slug particle, partial size are 2.5~3mm；
(4) polyvinyl alcohol is heated to melting completely, acrylic acid-acrylic acid hydroxypropyl acrylate-benzene second is added thereto in proportion
Alkene copolymer is uniformly mixing to obtain coating liquid；
(5) fertile slug particle obtained by step (3) is placed in coating machine and is preheated to 50 DEG C, then by coating obtained by step (4)
Liquid is sprayed on fertile slug particle surface with spraying device, and cold air drying after the completion of coating dispenses up to product of the present invention.
Comparative example 1
Fertilizer formula and the preparation method is the same as that of Example 1, unlike coated fertilizer dosage account for fertile slug particle total weight
3%.
Comparative example 2
Fertilizer formula and the preparation method is the same as that of Example 1, unlike coated fertilizer dosage account for fertile slug particle total weight
4%.
Comparative example 3
Fertilizer formula and the preparation method is the same as that of Example 1, unlike coated fertilizer dosage account for fertile slug particle total weight
8%.
Comparative example 4
Fertilizer formula and the preparation method is the same as that of Example 1, unlike coated fertilizer dosage account for fertile slug particle total weight
10%.
Control release type prepared by the present invention chelating microbial manure is tested using water seaoning, tests the nutrients release effect of fertilizer
Fruit.Specific test method is as follows: the fertilizer 50g for weighing the preparation of the embodiment of the present invention 1 is put into the pouch that 100 mesh nylon gauzes are made into
In, after sealing, pouch is put into the plastic bottle of 1000ml, 500ml distilled water is added, seals, is placed in 25 DEG C of biochemistry
It is cultivated in constant incubator, then when sampling in the 1st, 3,5,7,10,14,28,42,56,84,112 day of culture, sampling
Bottle is turned upside down three times, keeps the strength of fluid in bottle consistent, is moved into another bottle, in case nutrient measures.Then, to being equipped with
500ml distilled water is added in the bottle of the pouch of fertilizer, is put into biochemical constant incubator, is repeated the above steps after sealing
Continue to cultivate, fertilizer of the present invention is made 3 repetitions and tested.It is surveyed according to the regulation of HG/T 3931-2007 and HG/T 3997-2008
Fixed, test results are shown in figure 1.From figure 1 it appears that 7 days Nitrogen Accumulation release rates of fertilizer of the invention are 7.2%, potassium
7 days preparations of element are 5.17%, and 7 days preparations of phosphorus element are 3.61%, i.e., n-p-k element initial stage release rate compared with
It is low, and nutrients release accelerates after 40 days, nutrients release slows down after 100 days, and the total acquisition time of nutrient can achieve 112 days.
Characteristics of releasing nutrition complies fully with the corn time of infertility to the absorption trend of N, P, K " few-more-few ", realizes corn growing season one
Secondary property fertilising, it is significant for corn yield increasing the effect of increasing income.
It is used for fertilizer of the invention to plant Chinese cabbage, studies it to the application effect during growth of Chinese cabbage.Test
Material and the specific method is as follows: with choosing Shandong Province Juxian County vegetable cultivation experimental field as growth of Chinese cabbage, breeds of Chinese cabbage is
White No. three of Shandong, is planted using usual manner, one plant of every cave, and planting density is 5 plants/m2.Soil regime are as follows: full nitrogen 0.272g/kg,
Organic matter 35.6g/kg, available nitrogen 182.5mg/kg, rapid available phosphorus 8.7mg/kg, available potassium 98.2mg/kg.Test is divided into 6
Fertilizer treatment group, each processing group area is identical, wherein 1 group of fertilizer group prepared for embodiment 1；2-5 group is comparative example 1-4 system
Standby fertilizer；6 groups are blank control example, using the fertile slug particle fertilizer in embodiment 1, the fertilizer of no any coating processing；Each fertilizer
Expect that processing group fertilizer amount is identical, wherein the fertilizer of 1-5 group sows post-trenching one-time use, the 6th group of fertilizer base as base manure
60%, the rosette state imposes 40%.Other management measures are the same as local crop field.Picked in harvest time whole fruits weighing note yield and with
Machine chooses 10 plants in each processing group, calculates average single plant balling quality.In addition, product of the present invention also to each processing group Chinese cabbage
Matter is studied, and each processing group does 3 repetitions.Concrete outcome is shown in Table 1-2.
The fertilising of table 1 influences result to Chinese Cabbage Yield
| Single plant balling quality (kg) | Yield (t/ mus) | |
| Embodiment 1 | 2.5±0.17 | 11.6 |
| Comparative example 1 | 1.3±0.15 | 7.6 |
| Comparative example 2 | 1.9±0.21 | 8.6 |
| Comparative example 3 | 2.0±0.11 | 10.5 |
| Comparative example 4 | 1.2±0.12 | 10.2 |
| Blank fertilizer core reference examples | 0.68±0.21 | 6.9 |
2 fertilizer of table is to Chinese cabbage qualitative effects result
It can be seen that by the result of above-mentioned Tables 1 and 2 before fertilizer coating of the invention and fertilizer efficiency gap be bright after coating
It is aobvious, and ratio used in coating layer material can also have an impact the yield and quality of Chinese cabbage.For Chinese cabbage yield, by with
The comparison discovery of comparative example fertilizer, with the increase of coated fertilizer dosage, Chinese cabbage yield is gradually increased, but when coated fertilizer accounts for fertile core
Particle weight is more than after 7%, and yield is presented and reduced or not increased trend.For the quality of Chinese cabbage, when coating layer material
When material accounts for fertile 5% or less slug particle weight, with the soluble sugar content of the increase Chinese cabbage of coated fertilizer dosage, sugar-acid ratio, dimension
Increasing trend is presented in raw element C etc., and working as coating layer material to account for fertile slug particle weight is more than above-mentioned several groups of data bases after 7%
The trend that this presentation is successively decreased or slowed down.Thus, for the present invention, the specific dosage of coated fertilizer has fertilizer of the present invention
Important influence, experimental study show that accounting for fertile slug particle weight 5%~7% in coating layer material is optimum efficiency, be may be implemented
To the effect of the increasing both production and income of Chinese cabbage.In addition, fertilizer of the invention is for when planting Chinese cabbage, Chinese cabbage pest and disease damage incidence to be also bright
Aobvious to reduce, the physicochemical property of soil is also significantly improved.
Claims (6)
1. a kind of control release type chelates microbial manure, it is by fertile slug particle and the coated fertilizer group for being coated on fertile slug particle surface
At, which is characterized in that coated fertilizer dosage accounts for the 5%~7% of fertile slug particle total weight；The fertilizer slug particle is by following weight
The raw material of proportion is made: 20-40 parts of urea, 20-40 parts of ostreae testa pulverata, 60-80 parts of the fibert dregs of rice, 40-60 parts of seaweed slag, compound are micro-
1-5 parts of bacteria agent, 10-20 parts of polypeptide chelate liquid, 1-10 parts of potassium dihydrogen phosphate；The coated fertilizer is polyvinyl alcohol and propylene
Acid-hydroxypropyl acrylate-styrol copolymer is made according to the weight ratio of 5:1.
2. control release type according to claim 1 chelates microbial manure, which is characterized in that the polypeptide chelate liquid is to use
What following methods were prepared: fish scrap being crushed completely, is then mixed with weight ratios such as water, mixing is pressed into mixture
Trypsin digestion is added in gross weight 1000U/g, adjusts pH value in 6.0-7.5, is warming up to 42-45 DEG C of enzymatic hydrolysis 20-24h, has digested
Cheng Houyong nanofiltration membrane carries out nanofiltration and obtains polypeptide liquid；Into polypeptide liquid, the sodium selenite of the ratio addition 1M of 2:1 is molten by volume
Liquid adjusts pH 5.0~5.5, be warming up to 60-65 DEG C of chelatropic reaction after 4-6 hours gained reactant be polypeptide chelate liquid.
3. control release type according to claim 1 chelates microbial manure, which is characterized in that the complex micro organism fungicide is
Pseudomonas aeruginosa and Rhodococcus ruber are mixed according to the ratio of 2:3.
4. a kind of preparation method of control release type chelating microbial manure described in claim 1, which is characterized in that including following step
It is rapid:
(1) fish scrap is crushed completely, is then mixed with weight ratios such as water, mixing gross weight 1000U/g is pressed into mixture
Trypsin digestion is added, adjusts pH value in 6.0-7.5, is warming up to 42-45 DEG C of enzymatic hydrolysis 20-24h, nanofiltration membrane is used after the completion of enzymatic hydrolysis
It carries out nanofiltration and obtains polypeptide liquid；Into polypeptide liquid, the sodium selenite solution of 1M is added in the ratio of 2:1 by volume, is adjusted pH and is existed
5.0~5.5, be warming up to 60-65 DEG C of chelatropic reaction after 4-6 hours gained reactant be polypeptide chelate liquid, it is spare；
(2) it is sent into fermentor after weighing ostreae testa pulverata, the fibert dregs of rice, seaweed slag by weight, clear water is added into fermentor, makes
Water content reaches 30%, is then added thereto polypeptide chelate liquid obtained by step (1), it finally is added in complex micro organism fungicide
In and stir evenly, adjust fermentation jar temperature at 55~65 DEG C, fermentation 36~48 hours after crush obtain tunning；
(3) urea, potassium dihydrogen phosphate are crushed to be granulated again after mixing with tunning obtained by step (2) again and obtains fertile core
Grain, partial size are 2.5~3mm；
(4) polyvinyl alcohol is heated to melting completely, it is total that acrylic acid-acrylic acid hydroxypropyl acrylate-styrene is added thereto in proportion
Polymers is uniformly mixing to obtain coating liquid；
(5) fertile slug particle obtained by step (3) is placed in coating machine and is preheated to 50 DEG C, then use coating liquid obtained by step (4)
Spraying device is sprayed on fertile slug particle surface, and cold air drying after the completion of coating dispenses up to product of the present invention.
5. the preparation method of control release type chelating microbial manure according to claim 4, which is characterized in that the step
(2) complex micro organism fungicide in is that pseudomonas aeruginosa and Rhodococcus ruber are mixed according to the ratio of 2:3.
6. control release type according to claim 4 chelates microbial manure, which is characterized in that according to fertilizer in the step (5)
Slug particle gross weight adjusts coating liquid dosage, and control coating liquid dosage is the 5-7% of fertile core gross weight.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113480372A (en) * | 2021-08-06 | 2021-10-08 | 林猷宪 | Controlled-release organic microbial fertilizer |
| CN115490560A (en) * | 2022-07-26 | 2022-12-20 | 山东农业大学 | Accurate controlled release membrane material and application thereof |
| CN117586067A (en) * | 2023-12-07 | 2024-02-23 | 峨眉山市龙腾生物科技有限公司 | Amino acid chelated organic fertilizer and production process thereof |
-
2019
- 2019-05-23 CN CN201910322589.XA patent/CN110028353A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113480372A (en) * | 2021-08-06 | 2021-10-08 | 林猷宪 | Controlled-release organic microbial fertilizer |
| CN115490560A (en) * | 2022-07-26 | 2022-12-20 | 山东农业大学 | Accurate controlled release membrane material and application thereof |
| CN117586067A (en) * | 2023-12-07 | 2024-02-23 | 峨眉山市龙腾生物科技有限公司 | Amino acid chelated organic fertilizer and production process thereof |
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