CN105948892A - Method for preparing organic fertilizer coated with degradable material - Google Patents
Method for preparing organic fertilizer coated with degradable material Download PDFInfo
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- CN105948892A CN105948892A CN201610275120.1A CN201610275120A CN105948892A CN 105948892 A CN105948892 A CN 105948892A CN 201610275120 A CN201610275120 A CN 201610275120A CN 105948892 A CN105948892 A CN 105948892A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
Abstract
The invention relates to a method for preparing an organic fertilizer coated with a degradable material and belongs to the technical field of fertilizers. The organic fertilizer coated with the degradable material is mainly obtained through mixing macroporous konjac glucomannan aquagel and modified microcrystalline cellulose so as to obtain a coating material, fermenting shiitake mushroom planting dreg, sun-cured cattle manure, cottonseed cakes and humic acid, which serve as fermentation substrates, so as to obtain a fermented fertilizer, meanwhile, mixing the fermented fertilizer with other inorganic fertilizers so as to obtain a fertilizer substrate, and carrying out coating by a fluidized bed. The organic fertilizer prepared by the method is coated with the degradable material, so that a sustained-release effect is achieved, and the growth of plants can be promoted.
Description
Technical field
The present invention relates to the preparation method of the fertilizer of a kind of degradation material cladding, belong to technical field of fertilizers.
Background technology
Organic fertilizer (Organic fertilizer) refers to the fertilizer containing large amount of organic matter, is to utilize respectively in rural area
Plant organic substance with regard to area system or class natural manure, also referred to as a farm manure of the most cultivated buriing.The kind of fertilizer is main
Include: 1, fecaluria is fertile: night soil, livestock waste, brid guano, Bombyx mori L.；2, heap is made compost: compost, make compost, straw directly returning to field, natural pond
Gas pond is fertile；3, green manure: cultivation green manure, wild green manure；3, cake fertilizer and miscellaneous fertilizers: oil meal class, earth class, sanitary sewage, industry dirt
Water, waste residue.The effect of fertilizer.
CN103755404B discloses a kind of biological organic fertilizer, is made up by weight of following component, agricultural wastes 800
～820 parts, calcium superphosphate 12～18 parts, potassium breeze 4～6 parts, fermentation enzyme agent 4～6 parts, mineral powder 40～60 parts, boron soil powder 90
～110 parts, humic acids 8～12 parts, strain 4～6 parts；Preparation method is by after all raw material mix homogeneously, adds water stirring all
Even, under conditions of temperature is more than or equal to 15 DEG C, piles a cube stockpile, and get passage on cube stockpile；When stockpile temperature
When degree rises to 50 DEG C, carrying out overturning, every day 1～2 times, when stockpile temperature is more than or equal to 65 DEG C, overturning every day 4～5 times, general sends out
Ferment temperature controls below 70 DEG C, when material loosens in stockpile, without the former stink of material, prepares fertilizer.CN103626595B relates to
A kind of Fruit tree organic fertilizer and production technology thereof；Described production technology is, takes corn straw, wheat straw according to mass ratio 4:2:1:1
Stalk, soybean stalk and Semen Sesami crushed stalk stalk particle, the water of addition and pretreatment with agueous Ammonia obtain mixture A；Take cattle manure, sheep stool
With pig manure, the most first ultraviolet, then ozone process, then mix to obtain mixture B；Cottonseed cake after being pulverized, pulverize after black
In the mixture of wheat straw and water, aspergillus niger and the yeast of addition ferment, and obtain mixture C；By gained mixture A, B, C
Mixing with sodium humate, addition EM bacterium carries out fermentation and obtains mixture D；Conch meal, vegetation is added in gained mixture D
Ash and charcoal powder, then carry out ozone sterilization, dry, subpackage, ultraviolet-sterilization, i.e. obtain rhizome vegetable fertilizer.
Slow release fertilizer is changed into the rate of release of plant effective state nutrient and is far smaller than instant after referring to incorporation of fertilizerin the soil
Fertilizer, can slowly release its nutrient in soil.It has slow or long-lasting to crop, and it can only delay the release of fertilizer
Speed, does not reaches the purpose of complete controlled release.The advanced form of slow release fertilizer is release and release control fertilizer, and it makes the speed of fertilizer Releasing nutrient
The amount needing nutrient with crop is consistent, makes utilization rate of fertilizer reach the highest, and broadly release and release control fertilizer includes slow release fertilizer.
Slow release fertilizer can according to the nutritive peculiarity such as crop alimentary stage, seriality, utilize the means such as physics, chemistry, biology to regulate and
Nutrient supply intensity and the capacity such as the trace element of Controlled-release nitrogen, phosphorus, potassium and necessity, can reach fertilizer emergency and help mutually the length of effect
Effect, efficient plant nutrient complex.
But, current most organic fertilizer does not have slow release effect, have impact on the performance of its fertilizer efficiency.
Summary of the invention
It is an object of the invention to: the dosage form of a kind of novel fertilizer is provided, mainly can be dropped by fertilizer surface bag
After solving material, it is achieved the slow release in soil, the loss of fertilizer can be effectively prevented, promote plant growing.
Technical scheme is as follows:
The preparation method of the fertilizer of a kind of degradation material cladding, comprises the steps:
1st step, weighs konjaku powder 30～50 parts by weight, is dissolved in distilled water 300～400 parts, is stirred into molten
Glue；Adding inorganic base aqueous solution to stir, making sol pH is 9～13；Temperature reaction, after terminating, cooling stands, then
Wash with distilled water immersion, make water become neutrality, gel is placed in freezing tank freezing, then room temperature is melted, be repeated freezing with
Room temperature is melted, and lyophilizing obtains macropore glucomannan hydrogel of konnjaku；
2nd step, by weight, takes Lentinus Edodes plantation dreg 70～90 parts, is crushed to the powder of diameter 0.5～1mm；3 will be added
～the water of 6 times of weight, add protease 1～3 parts and cellulase 1～3 parts, heating, enzymolysis, then enzyme denaturing, let cool, obtain
Enzymolysis solution；Enzymolysis solution adds and dries cattle manure 40～50 parts, cottonseed cake 20～30 parts, humic acid 5～10 parts, bacillus subtilis
Bacterium bacterium solution 10～15 parts, mix homogeneously, to ferment after cover film again after accumulation, after fermentation ends, then dry in the sun is to moisture
Content is 20～30wt%, obtains fermentation fertilizer；
3rd step, by weight, by fertile for fermentation 50～60 parts, carbamide 20～30 parts, ammonium phosphate 10～20 parts, ammonium sulfate 10～
20 parts are scattered in 100～120 parts of water, then after intensification, addition starch 30～40 parts, after stirring, after cooling, by separate out
Solids leaches, be dried, pulverize after, obtain fertilizer matrix；
4th step, by weight, after Plant fiber 1～2 parts being pulverized, mixes with inorganic acid solution 5～20 parts, and heating is carried out
Hydrolysis, after reaction terminates, filters out residue, cleans to pH neutral by residue use water, then by residue, Polyethylene Glycol 0.2～
0.4 part, water 5～8 parts of mix homogeneously, be warming up to 80～90 DEG C and react, and obtains white serosity, obtains modification after spray drying
Microcrystalline Cellulose；
5th step, by weight, by macropore glucomannan hydrogel of konnjaku 10～20 parts, modified microcrystalline cellulose 10～20 parts,
Ethanol water 40～60 parts of intensification mix homogeneously, obtain covering material；
6th step, is circulated fertilizer matrix flowing in fluid bed, more gradually sprays into covering material, controls straying quatity and makes spray
The angle of incidence controls between 50～70min, and the weight ratio of covering material and fertilizer matrix is between 1:3～6, by granule after terminating
Thing is dried, obtains fertilizer.
In the 1st described step, described inorganic base refer to the one in sodium hydroxide, potassium hydroxide, sodium bicarbonate or
Several mixture；The concentration of inorganic base aqueous solution is 1～4mol/L.
In the 1st described step, the temperature of temperature reaction controls at 60～100 DEG C, and the response time is 1～5 hour；Cool down quiet
The time of putting is 12～24 hours.
In the 1st described step, cryogenic temperature-15～-25 DEG C, cooling time 2～6 hours, the room temperature thawing time 2～8 is little
Time；The freezing number of repetition melted again is 2～6 times.
In the 2nd described step, heating-up temperature is 40～50 DEG C, and hydrolysis temperature is 3～6 hours；Fermentation temperature 30～40 DEG C,
Fermentation time 20～30 days.
In the 3rd described step, heat up and refer to be warming up to 60～80 DEG C.
In the 4th described step, Plant fiber is selected from one or several in cotton fiber, the wood fiber, bamboo fibre, flaxen fiber
Mixture；Inorganic acid solution is hydrochloric acid, sulphuric acid or phosphoric acid solution, and acid concentration is 0.1～1.0mol/L.
In the 5th described step, heat up and refer to be warming up to 60～80 DEG C.
Beneficial effect
The fertilizer of the present invention have employed degradation material cladding, creates slow release effect, it is possible to promotes plant growing.
Detailed description of the invention
The preparation process of the bacillus subtilis bacterium solution in following example is:
Aseptically, bacillus subtilis (Bacillus subtilis) CICC 23659 is linked in culture medium,
Carrying out liquid fermentation production, wherein said culture medium percentage is: starch 5%, potassium humate 1%, soybean cake powder
7.5%, dipotassium hydrogen phosphate 0.2%, ammonium sulfate 0.1%, magnesium sulfate 0.05%, ferric chloride 0.005%, calcium carbonate 0.05%, yeast powder
0.01%, boric acid 0.005%, pH value is adjusted to 7.2～7.4, carries out sterilizing 20 min at about 120 DEG C；
Cultivation temperature scope 28～40 DEG C in sweat, be passed through filtrated air (dissolved oxygen) and stir, the ventilation of filtrated air
0.5～1.0L L min, mixing speed 150～200rpm, tank pressure 0.5kg cm2, oxygen consumption cultivation 48 hours, the bacterium solution obtained
Middle bacillus subtilis Si Shi subspecies bacterium number >=2.0 × 109cfu/ mL。
Embodiment 1
1st step, weighs konjaku powder 50 parts by weight, is dissolved in distilled water 400 parts, is stirred into colloidal sol；Add
The NaOH solution of 1mol/L stirs, and making sol pH is 13；Temperature reaction, the temperature of temperature reaction controls at 100 DEG C, instead
Being 5 hours between Ying Shi, after terminating, cooling stands；Cooling time of repose is 24 hours, then washs with distilled water immersion, makes water become
Neutrality, is placed in freezing tank freezing by gel, then room temperature is melted, and freezing and room temperature thawing is repeated, and lyophilizing obtains macropore evil spirit
Taro glucomannan hydrogel；Cryogenic temperature-25 DEG C, cooling time 6 hours, 8 hours room temperature thawing times；The freezing weight melted again
Again number is 6 times；
2nd step, by weight, takes Lentinus Edodes plantation dreg 90 parts, is crushed to the powder of diameter 0.5～1mm；6 times of weights will be added
The water of amount, adds protease 3 part and cellulase 3 parts, heating, enzymolysis, and heating-up temperature is 50 DEG C, and hydrolysis temperature is 6 hours,
Then enzyme denaturing, lets cool, and obtains enzymolysis solution；Enzymolysis solution adds and dries cattle manure 50 parts, cottonseed cake 30 parts, humic acid 10 parts, withered
Grass bacillus cereus bacterium solution 15 parts, mix homogeneously, ferments after cover film after accumulation again；Fermentation temperature 40 DEG C, during fermentation
Between 30 days, after fermentation ends, then dry in the sun to moisture is 30wt%, obtain fermentation fertilizer；
3rd step, by weight, is scattered in 120 parts of water by fertile 60 parts of fermentation, 30 parts of carbamide, 20 parts of ammonium phosphate, 20 parts of ammonium sulfate
In, then after being warming up to 80 DEG C, add starch 40 parts, after stirring, after cooling, the solids of precipitation is leached, it is dried, pulverizes
After, obtain fertilizer matrix；
4th step, by weight, after being pulverized by bamboo fibre 2 parts, mixes with 1.0mol/L hydrochloric acid solution 20 parts, and heating carries out water
Solve reaction, after reaction terminates, filter out residue, residue use water is cleaned to pH neutral, then by residue, Polyethylene Glycol 0.4 part, water
8 parts of mix homogeneously, are warming up to 80 DEG C and react, and obtain white serosity, obtain modified microcrystalline cellulose after spray drying；
5th step, by weight, by water-soluble to macropore glucomannan hydrogel of konnjaku 20 parts, modified microcrystalline cellulose 20 parts, ethanol
Liquid 60 parts is warming up to 80 DEG C of mix homogeneously, obtains covering material；
6th step, is circulated fertilizer matrix flowing in fluid bed, more gradually sprays into covering material, controls straying quatity and makes spray
The angle of incidence controls between 70min, and the weight ratio of covering material and fertilizer matrix is at 1:6, after terminating, particulate matter is dried,
Obtain fertilizer.
Embodiment 2
1st step, weighs konjaku powder 30 parts by weight, is dissolved in distilled water 300 parts, is stirred into colloidal sol；Add
The NaOH solution of 1mol/L stirs, and making sol pH is 9；Temperature reaction, the temperature of temperature reaction controls at 60 DEG C, reaction
Time is 1 hour, and after terminating, cooling stands；Cooling time of repose is 12 hours, then washs with distilled water immersion, in making water become
Property, gel being placed in freezing tank freezing, then room temperature is melted, freezing and room temperature thawing is repeated, lyophilizing obtains macropore Rhizoma amorphophalli
Glucomannan hydrogel；Cryogenic temperature-15 DEG C, cooling time 2 hours, 2 hours room temperature thawing times；The freezing repetition melted again
Number of times is 2 times；
2nd step, by weight, takes Lentinus Edodes plantation dreg 70 parts, is crushed to the powder of diameter 0.5～1mm；3 times of weights will be added
The water of amount, adds 1 part of protease and cellulase 1 part, heating, enzymolysis, and heating-up temperature is 40 DEG C, and hydrolysis temperature is 3 hours,
Then enzyme denaturing, lets cool, and obtains enzymolysis solution；Enzymolysis solution adds and dries cattle manure 40 parts, cottonseed cake 20 parts, humic acid 5 parts, hay
Bacillus cereus bacterium solution 10 parts, mix homogeneously, ferments after cover film after accumulation again；Fermentation temperature 30 DEG C, fermentation time
20 days, after fermentation ends, then dry in the sun to moisture was 20wt%, obtained fermentation fertilizer；
3rd step, by weight, is scattered in 100 parts of water by fertile 60 parts of fermentation, 30 parts of carbamide, 20 parts of ammonium phosphate, 10 parts of ammonium sulfate
In, then after being warming up to 60 DEG C, add starch 30 parts, after stirring, after cooling, the solids of precipitation is leached, it is dried, pulverizes
After, obtain fertilizer matrix；
4th step, by weight, after being pulverized by bamboo fibre 1 part, mixes with 1.0mol/L hydrochloric acid solution 5 parts, and heating is hydrolyzed
Reaction, after reaction terminates, filters out residue, cleans residue use water to pH neutral, then by residue, Polyethylene Glycol 0.2 part, water 5
Part mix homogeneously, is warming up to 80 DEG C and reacts, and obtains white serosity, obtains modified microcrystalline cellulose after spray drying；
5th step, by weight, by water-soluble to macropore glucomannan hydrogel of konnjaku 10 parts, modified microcrystalline cellulose 10 parts, ethanol
Liquid 40 parts is warming up to 60 DEG C of mix homogeneously, obtains covering material；
6th step, is circulated fertilizer matrix flowing in fluid bed, more gradually sprays into covering material, controls straying quatity and makes spray
The angle of incidence controls between 50～70min, and particulate matter, at 1:3, is dried after terminating by the weight ratio of covering material and fertilizer matrix
After, obtain fertilizer.
Embodiment 3
1st step, weighs konjaku powder 40 parts by weight, is dissolved in distilled water 350 parts, is stirred into colloidal sol；Add
The NaOH solution of 1mol/L stirs, and making sol pH is 12；Temperature reaction, the temperature of temperature reaction controls at 80 DEG C, instead
Being 3 hours between Ying Shi, after terminating, cooling stands；Cooling time of repose is 20 hours, then washs with distilled water immersion, makes water become
Neutrality, is placed in freezing tank freezing by gel, then room temperature is melted, and freezing and room temperature thawing is repeated, and lyophilizing obtains macropore evil spirit
Taro glucomannan hydrogel；Cryogenic temperature-20 DEG C, during cooling time 5,4 hours room temperature thawing times；The freezing repetition melted again
Number of times is 5 times；
2nd step, by weight, takes Lentinus Edodes plantation dreg 80 parts, is crushed to the powder of diameter 0.5～1mm；5 times of weights will be added
The water of amount, adds 2 parts of protease and cellulase 2 parts, heating, enzymolysis, and heating-up temperature is 45 DEG C, and hydrolysis temperature is 5 hours,
Then enzyme denaturing, lets cool, and obtains enzymolysis solution；Enzymolysis solution adds and dries cattle manure 45 parts, cottonseed cake 25 parts, humic acid 7 parts, hay
Bacillus cereus bacterium solution 12 parts, mix homogeneously, ferments after cover film after accumulation again；Fermentation temperature 35 DEG C, fermentation time
25 days, after fermentation ends, then dry in the sun to moisture was 25wt%, obtained fermentation fertilizer；
3rd step, by weight, is scattered in 110 parts of water by fertile 55 parts of fermentation, 25 parts of carbamide, 15 parts of ammonium phosphate, 15 parts of ammonium sulfate
In, then after being warming up to 70 DEG C, add starch 35 parts, after stirring, after cooling, the solids of precipitation is leached, it is dried, pulverizes
After, obtain fertilizer matrix；
4th step, by weight, after being pulverized by bamboo fibre 2 parts, mixes with 1.0mol/L hydrochloric acid solution 15 parts, and heating carries out water
Solve reaction, after reaction terminates, filter out residue, residue use water is cleaned to pH neutral, then by residue, Polyethylene Glycol 0.3 part, water
6 parts of mix homogeneously, are warming up to 80 DEG C and react, and obtain white serosity, obtain modified microcrystalline cellulose after spray drying；
5th step, by weight, by water-soluble to macropore glucomannan hydrogel of konnjaku 15 parts, modified microcrystalline cellulose 15 parts, ethanol
Liquid 50 parts is warming up to 70 DEG C of mix homogeneously, obtains covering material；
6th step, is circulated fertilizer matrix flowing in fluid bed, more gradually sprays into covering material, controls straying quatity and makes spray
The angle of incidence controls between 60min, and the weight ratio of covering material and fertilizer matrix is at 1:5, particulate matter is dried, i.e. after terminating
Obtain fertilizer.
Reference examples 1
Difference with embodiment 3 is: microcrystalline Cellulose is without modification.
1st step, weighs konjaku powder 40 parts by weight, is dissolved in distilled water 350 parts, is stirred into colloidal sol；Again
The NaOH solution adding 1mol/L stirs, and making sol pH is 12；Temperature reaction, the temperature of temperature reaction controls 80
DEG C, the response time is 3 hours, and after terminating, cooling stands；Cooling time of repose is 20 hours, then washs with distilled water immersion,
Making water become neutrality, gel is placed in freezing tank freezing, then room temperature is melted, freezing is repeated and room temperature is melted, lyophilizing obtains
Macropore glucomannan hydrogel of konnjaku；Cryogenic temperature-20 DEG C, during cooling time 5,4 hours room temperature thawing times；Freezing is melted again
Number of repetition be 5 times；
2nd step, by weight, takes Lentinus Edodes plantation dreg 80 parts, is crushed to the powder of diameter 0.5～1mm；5 times of weights will be added
The water of amount, adds 2 parts of protease and cellulase 2 parts, heating, enzymolysis, and heating-up temperature is 45 DEG C, and hydrolysis temperature is 5 hours,
Then enzyme denaturing, lets cool, and obtains enzymolysis solution；Enzymolysis solution adds and dries cattle manure 45 parts, cottonseed cake 25 parts, humic acid 7 parts, hay
Bacillus cereus bacterium solution 12 parts, mix homogeneously, ferments after cover film after accumulation again；Fermentation temperature 35 DEG C, fermentation time
25 days, after fermentation ends, then dry in the sun to moisture was 25wt%, obtained fermentation fertilizer；
3rd step, by weight, is scattered in 110 parts of water by fertile 55 parts of fermentation, 25 parts of carbamide, 15 parts of ammonium phosphate, 15 parts of ammonium sulfate
In, then after being warming up to 70 DEG C, add starch 35 parts, after stirring, after cooling, the solids of precipitation is leached, it is dried, pulverizes
After, obtain fertilizer matrix；
4th step, by weight, after being pulverized by bamboo fibre 2 parts, mixes with 1.0mol/L hydrochloric acid solution 15 parts, and heating carries out water
Solve reaction, after reaction terminates, filter out residue, residue use water is cleaned to pH neutral, then by residue, 6 parts of mix homogeneously of water, rise
Temperature is reacted to 80 DEG C, obtains serosity, obtains microcrystalline Cellulose after spray drying；
5th step, by weight, by macropore glucomannan hydrogel of konnjaku 15 parts, microcrystalline Cellulose 15 parts, ethanol water 50
Part is warming up to 70 DEG C of mix homogeneously, obtains covering material；
6th step, is circulated fertilizer matrix flowing in fluid bed, more gradually sprays into covering material, controls straying quatity and makes spray
The angle of incidence controls between 60min, and the weight ratio of covering material and fertilizer matrix is at 1:5, particulate matter is dried, i.e. after terminating
Obtain fertilizer.
Evaluation methodology
The fertilizer about 10g (claiming accurate to 0.01g) weighing the degradation material cladding of preparation puts into what 100 mesh nylon gauzes were made
In pouch, after sealing, pouch is put in 250mL vial or plastic bottle, add 200mL water, seal, be respectively placed in 25
DEG C biochemical constant incubator in, sample time is within every 2 days, to take a sample, i.e. the 0th day, the 2nd day, the 4th day ..., until N is first
Element accumulation nutrient dissolved percentage reaches more than 80% and is considered as release completely.During sampling, bottle is turned upside down three times, make the liquid in bottle dense
Degree is consistent, moves in 250mL volumetric flask, is settled to scale after being cooled to room temperature, uses in case measuring nutrient.Then, to equipped with
The bottle of test portion pouch adds 200mL water, puts into biochemical constant incubator after sealing and continue to cultivate.Wherein, N element is surveyed
Surely the method using GB/T 8572-2001.
Degradability is evaluated: takes the covering material of preparation, obtains powder after drying, imbeds natural soil ring after accurately weighing
In border, length of embedment is 10cm.Take a sample every 1 month, clean up material surface earth, be dried and weigh, calculate material
Material weight-loss ratio.Material weight-loss ratio Wl=W0-Wt/W0 × 100%, W0 is material initial mass, and Wt is that t is removed from soil
Quality of materials.
The weight-loss ratio data of the controlled release phase and 12 months of the fertilizer of various embodiments above and reference examples are as follows:
As can be seen from the table, the fertilizer of the degradation material cladding that the present invention provides has good releases control performance, passes through
Reference examples 1 and embodiment 3 carry out contrasting it can be seen that by by after microcrystalline Cellulose modification, can improve with hydrogel it
Between bridging property, it is possible to effectively extend controlled release put the phase.
Planting experiment
The fertilizer using above example and reference examples to prepare carries out fresh kidney beans planting experiment.
For examination soil: moisture soil, quality loam, physical features is smooth, and water flowing, water project situation are preferable, fertile soil；For examination object:
Fresh kidney beans.
Fertilizing method:
(1) using before sowing, amount of application is 80kg/ hectare；
(2) after final singling 20 days dressing fertilizer once, amount of application is 40kg/ hectare；
(3) after final singling 30 days dressing fertilizer once, amount of application is 30kg/ hectare；
(4) after bearing pods, in conjunction with watering, ditching, once, amount of application is 50kg/ hectare to dressing fertilizer.
。
As can be seen from the table, the Slow release organic fertilizer that the present invention provides has the effect promoting plant growing.
Claims (8)
1. the preparation method of the fertilizer of a degradation material cladding, it is characterised in that comprise the steps:
1st step, weighs konjaku powder 30～50 parts by weight, is dissolved in distilled water 300～400 parts, is stirred into molten
Glue；Adding inorganic base aqueous solution to stir, making sol pH is 9～13；Temperature reaction, after terminating, cooling stands, then
Wash with distilled water immersion, make water become neutrality, gel is placed in freezing tank freezing, then room temperature is melted, be repeated freezing with
Room temperature is melted, and lyophilizing obtains macropore glucomannan hydrogel of konnjaku；
2nd step, by weight, takes Lentinus Edodes plantation dreg 70～90 parts, is crushed to the powder of diameter 0.5～1mm；3 will be added
～the water of 6 times of weight, add protease 1～3 parts and cellulase 1～3 parts, heating, enzymolysis, then enzyme denaturing, let cool, obtain
Enzymolysis solution；Enzymolysis solution adds and dries cattle manure 40～50 parts, cottonseed cake 20～30 parts, humic acid 5～10 parts, bacillus subtilis
Bacterium bacterium solution 10～15 parts, mix homogeneously, to ferment after cover film again after accumulation, after fermentation ends, then dry in the sun is to moisture
Content is 20～30wt%, obtains fermentation fertilizer；
3rd step, by weight, by fertile for fermentation 50～60 parts, carbamide 20～30 parts, ammonium phosphate 10～20 parts, ammonium sulfate 10～
20 parts are scattered in 100～120 parts of water, then after intensification, addition starch 30～40 parts, after stirring, after cooling, by separate out
Solids leaches, be dried, pulverize after, obtain fertilizer matrix；
4th step, by weight, after Plant fiber 1～2 parts being pulverized, mixes with inorganic acid solution 5～20 parts, and heating is carried out
Hydrolysis, after reaction terminates, filters out residue, cleans to pH neutral by residue use water, then by residue, Polyethylene Glycol 0.2～
0.4 part, water 5～8 parts of mix homogeneously, be warming up to 80～90 DEG C and react, and obtains white serosity, obtains modification after spray drying
Microcrystalline Cellulose；
5th step, by weight, by macropore glucomannan hydrogel of konnjaku 10～20 parts, modified microcrystalline cellulose 10～20 parts,
Ethanol water 40～60 parts of intensification mix homogeneously, obtain covering material；
6th step, is circulated fertilizer matrix flowing in fluid bed, more gradually sprays into covering material, controls straying quatity and makes spray
The angle of incidence controls between 50～70min, and the weight ratio of covering material and fertilizer matrix is between 1:3～6, by granule after terminating
Thing is dried, obtains fertilizer.
The preparation method of fertilizer of degradation material the most according to claim 1 cladding, it is characterised in that: described the
In 1 step, described inorganic base refers to one or several the mixture in sodium hydroxide, potassium hydroxide, sodium bicarbonate；Inorganic
The concentration of aqueous alkali is 1～4mol/L.
The preparation method of fertilizer of degradation material the most according to claim 1 cladding, it is characterised in that: described the
In 1 step, the temperature of temperature reaction controls at 60～100 DEG C, and the response time is 1～5 hour；Cooling time of repose is 12～24 little
Time.
The preparation method of fertilizer of degradation material the most according to claim 1 cladding, it is characterised in that: described the
In 1 step, cryogenic temperature-15～-25 DEG C, cooling time 2～6 hours, room temperature thawing time 2～8 hours；The freezing weight melted again
Again number is 2～6 times.
The preparation method of fertilizer of degradation material the most according to claim 1 cladding, it is characterised in that: described the
In 2 steps, heating-up temperature is 40～50 DEG C, and hydrolysis temperature is 3～6 hours；Fermentation temperature 30～40 DEG C, fermentation time 20～30
My god.
The preparation method of fertilizer of degradation material the most according to claim 1 cladding, it is characterised in that: described the
In 3 steps, heat up and refer to be warming up to 60～80 DEG C.
The preparation method of fertilizer of degradation material the most according to claim 1 cladding, it is characterised in that: described the
In 4 steps, Plant fiber's one or several mixture in cotton fiber, the wood fiber, bamboo fibre, flaxen fiber；Mineral acid is molten
Liquid is hydrochloric acid, sulphuric acid or phosphoric acid solution, and acid concentration is 0.1～1.0mol/L.
The preparation method of fertilizer of degradation material the most according to claim 1 cladding, it is characterised in that: described the
In 5 steps, heat up and refer to be warming up to 60～80 DEG C.
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| CN201610275120.1A CN105948892A (en) | 2016-04-28 | 2016-04-28 | Method for preparing organic fertilizer coated with degradable material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107324891A (en) * | 2017-07-26 | 2017-11-07 | 望江县乡缘农业有限责任公司 | A kind of Rice Cropping slow release fertilizer |
| CN108516905A (en) * | 2018-07-09 | 2018-09-11 | 付彦峰 | A method of preparing organic fertilizer using agriculture wastes |
| US11040920B2 (en) | 2017-12-15 | 2021-06-22 | Innovations For World Nutrition Llc | Fertilizer and plant growth promoter to increase plant yield and method of increasing plant yield |
| US11192830B2 (en) | 2020-04-15 | 2021-12-07 | Innovations for World Nutrition, LLC | Seed coating to promote plant growth and method of increasing plant yield |
| US11358909B2 (en) | 2020-04-15 | 2022-06-14 | Innovations for World Nutrition, LLC | Fertilizer containing a seed grind and a method of using the fertilizer to enhance plant growth |
| US11634366B2 (en) | 2020-04-15 | 2023-04-25 | Innovations for World Nutrition, LLC | Plant growth enhancer using carbon dioxide to increase plant yield and method of increasing plant yield |
| US11787749B2 (en) | 2020-04-15 | 2023-10-17 | Innovations for World Nutrition, LLC | Fertilizer and plant growth promoter to increase plant yield and method of increasing plant yield |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324891A (en) * | 2017-07-26 | 2017-11-07 | 望江县乡缘农业有限责任公司 | A kind of Rice Cropping slow release fertilizer |
| US11040920B2 (en) | 2017-12-15 | 2021-06-22 | Innovations For World Nutrition Llc | Fertilizer and plant growth promoter to increase plant yield and method of increasing plant yield |
| CN108516905A (en) * | 2018-07-09 | 2018-09-11 | 付彦峰 | A method of preparing organic fertilizer using agriculture wastes |
| US11192830B2 (en) | 2020-04-15 | 2021-12-07 | Innovations for World Nutrition, LLC | Seed coating to promote plant growth and method of increasing plant yield |
| US11358909B2 (en) | 2020-04-15 | 2022-06-14 | Innovations for World Nutrition, LLC | Fertilizer containing a seed grind and a method of using the fertilizer to enhance plant growth |
| US11634366B2 (en) | 2020-04-15 | 2023-04-25 | Innovations for World Nutrition, LLC | Plant growth enhancer using carbon dioxide to increase plant yield and method of increasing plant yield |
| US11787749B2 (en) | 2020-04-15 | 2023-10-17 | Innovations for World Nutrition, LLC | Fertilizer and plant growth promoter to increase plant yield and method of increasing plant yield |
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