CN103626580B - Water keeping fertilizer and preparation method thereof - Google Patents
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Abstract
The invention belongs to technical field of fertilizers, provide a kind of water keeping fertilizer and preparation method thereof.This water keeping fertilizer with agriculture waste plant resources for major ingredient, through complex micro organism fungicide fermentation dehydration, with the scientific compatibility after-ripening such as amino acid, humic acids, mineral element, be decomposed to form the fertilizer being rich in small molecules organic matter, this organic fertilizer is combined with soil colloid, is of value to improving Soil structure and the gas permeability of soil, increasing soil fertility and water retention capacity; Add amino acid in formula simultaneously, growth that filler is plant provides organic and inorganic nutrients, and utilize the characterization of adsorption of self to improve the water retention capacity of soil; In addition, amino acid and humic acid can also regulate soil acid-base equilibrium, improve the root system microenvironment of plant, enhance the disease-resistant of plant and anti-adversity ability.
Description
Technical field
The invention belongs to technical field of fertilizers, particularly relate to a kind of water keeping fertilizer and preparation method thereof.
Background technology
Along with the fast development of economic society, water resources deficiency becomes " bottleneck " of restriction agricultural development, and grain security, ecological environment security problem become increasingly conspicuous, and agricultural sustainable development faces a severe challenge.Pertinent data shows, China's water resources per capita quantity not sufficient world occupancy volume per person's 1/4, agricultural water occupancy volume per mu only has 1/2 of world average level.And China's agricultural water accounts for more than 75% of total water, wherein more than 90% is irrigation water.Due to traditional ways such as unscientific furrow irrigation, flood irrigations, the utilization ratio of China's agricultural water is not enough 1/2nd of developed country.The situation of the southern and northern repeatedly occurrence of large-area arid of China in recent years, therefore, development application have the product of water retaining function in agriculture production, indispensable.
The product of water retention property has water-wet behavior, receive at short notice than from height tens to the moisture of hundreds of times, when arid, it can discharge moisture again lentamente; This product can be improved Soil structure and improve soil water-retaining performance, thus reduces rainwater and nutrient loss, maintenance of soil fertility, builds the soil liquid manure microenvironment of useful crop plants root growth, also known as " the miniature reservoir of soil "; Improve water and fertilizer utilization, solve drought and water shortage, continue to improve crop yield, improve crops quality.
At present, also there is variety of problems in the production technique for fertilizer of China's water retaining function, quality product, agricultural index, its defect is mainly present in the following aspects, and one is covet high Water absorption and speed, ignores its stability, water conservation validity and degradability; Two is that long-term a large amount of use contains disadvantageous to plants and soil, labile sodium-ion type water-holding agent product, and cause P in soil H value to raise, Soil structure destroys; Three is the nutritional requirement of less consideration plant root growth and the impact of use Water Retaining Agent on Soil ventilation property; Four is impacts that water-holding agent lacks on soil, ecology, environment, and the consideration to agronomic trait and food chain safety.
Summary of the invention
The object of the invention is to the above-mentioned deficiency overcoming prior art, a kind of stable in properties is provided, Soil structure and fertility, degradable water keeping fertilizer can be improved.
Another object of the present invention is to provide the water keeping fertilizer preparation method that a kind of technique is simple, cost is low.
In order to realize foregoing invention object, technical scheme of the present invention is as follows: (according to claims amendment)
A kind of water keeping fertilizer, comprises the component of following weight percentage:
And the preparation method of above-mentioned water keeping fertilizer, comprises the steps:
Described agricultural plants resource, oyster shell powder, microbiobacterial agent, clay, amino acid, humic acid, filler is taken by the formula of described water keeping fertilizer;
Described agricultural plants resource is mixed with oyster shell powder, stacks, obtain mixture one;
Described mixture one mixes with described humic acid, makes C/N be 20 ~ 30:1, then mixes with mentioned microorganism microbial inoculum, and turning is fermented, and obtains mixture two;
Said mixture two is mixed with above-mentioned clay, amino acid, filler, stacks after-ripening, obtain mixture three;
Be dry, pulverize by said mixture three, screening, obtains described water keeping fertilizer.
Water keeping fertilizer of the present invention with agricultural plants resource for major ingredient, through complex micro organism fungicide fermentation dehydration, with the scientific compatibility after-ripening such as amino acid, humic acids, mineral element, be decomposed to form the fertilizer being rich in small molecules organic matter, this organic fertilizer is combined with soil colloid, is of value to improving Soil structure and the gas permeability of soil, increasing soil fertility and water retention capacity; Add amino acid in formula simultaneously, growth that filler is plant provides organic and inorganic nutrients, and utilize the characterization of adsorption of self to improve the water retention capacity of soil; In addition, amino acid and humic acid can also regulate soil acid-base equilibrium, improve the root system microenvironment of plant, enhance the disease-resistant of plant and anti-adversity ability.Above-mentioned each component acts synergistically mutually, constitutes a kind of water keeping fertilizer of physics fertility, Biological fertility and the Chemical fertility that can improve soil.
The preparation method of water keeping fertilizer of the present invention makes full use of agriculture waste resource, dewater and method that microorganism compost ferments by combining with alkaline material to stack, produce the basic material of water keeping fertilizer, potential of hydrogen and C/N etc. is regulated by interpolation amino acid, humic acids, filler etc., each component is acted synergistically, obtains above-mentioned water keeping fertilizer.This production technique is simple, cost is low, employment is few, energy consumption is low, protection of the environment.
Accompanying drawing explanation
Fig. 1 is preparation method's process flow sheet of inventive embodiments water keeping fertilizer.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provides a kind of water keeping fertilizer, comprises the component of following weight percentage:
Particularly, above-mentioned agricultural plants source resource is in agriculture waste resource, comprise but be not only only banana stem leaves, pineapple stem and leaf, sisal hemp cauline leaf, tealeaf residue, containing a large amount of Mierocrystalline celluloses and xylogen in this agricultural plants resource, wherein about have the carbon of 50% to be present in Mierocrystalline cellulose in plant materials, remaining is present in xylogen mostly.Mierocrystalline cellulose and xylogen water insoluble, also general organic solvent is insoluble to, large quantity of moisture can also be adsorbed, can make that water keeping fertilizer stable in properties, water retaining function are strong and timeliness is of a specified duration, thus contribute to improveing Soil structure, build the miniature reservoir of soil, create the soil liquid manure microenvironment being of value to crop root growth, reduce water and soil nutrient loss.Contriver finds through research, can make to add 10 ~ 25% in the moisture content of upper soll layer 0 ~ 20cm degree of depth after using this agricultural plants resource.From agricultural plants resource, extract Mierocrystalline cellulose and/or xylogen, take full advantage of agricultural wastes, cost is very cheap.
Above-mentioned oyster shell powder can use commercially available product, and it is not only containing a large amount of calcium carbonate, also containing abundant trace element and multiple amino acids composition.This ingredients calcium carbonate, in the process of stacking fermentation, reacts with acidic substance and releases heat, promotes the growth of mentioned microorganism bacterium, accelerates the process of fermentation.This trace element supplements calcium magnesium for soil, and amino acid provides nutritive substance for soil, and amino acid also plays a part to regulate soil ph simultaneously.Due to its vesicular structure, also there is the effect that water suction divides.
Mentioned microorganism microbial inoculum comprises at least one in milk-acid bacteria, genus bacillus, Trichoderma; Further, this genus bacillus comprises but is not only only bacillus megaterium, subtilis, Paenibacillus polymyxa, Bacillus licheniformis.Wherein, the cellulose degradation in organic fertilizer can be become small molecules by above-mentioned milk-acid bacteria, is incorporated into soil colloid with small molecules xylogen.Above-mentioned genus bacillus can disengage highly active amylase, such as cellulase, the macromole cellulose decomposition that difficulty is decomposed is become available small-molecule substance, impels intracellular nutritive substance to discharge simultaneously, enter soil reinforcement fertility; The natural materials that genus bacillus meeting secretion intensity is excellent gathers Vetsin, adsorb with soil colloid and combine the rear protective membrane forming soil, maximum Water absorption can reach 1108.4 times, greatly improve retention capacity of soil, rich water is prevented to run off, and can activate and chessom, avoid hardening, sticky wadding heavy metal, reduce heavy metal to the pollution of soil; Genus bacillus can decompose the organic substance, organic sulfide, organonitrogen etc. that produce foul gas, greatly improves the environment of soil; Above-mentioned genus bacillus also has the advantage taken up space, and suppresses the harmful microbe such as harmful bacteria, pathogenic bacteria growth and breeding, thus plays the effect of antibacterial sterilizing.In addition, above-mentioned Paenibacillus polymyxa has the ability of fixed member state nitrogen.Above-mentioned Trichoderma can produce multiple biologically active substance plant pathogenic fungi, bacterium and insect to antagonistic action, such as cell wall degradation enzyme and secondary metabolite, thus improves the resistance of farm crop, Promoting plant growth and raising agricultural output.Mentioned microorganism microbial inoculum uses commercially available product.
Above-mentioned clay comprises but is not only only at least one in attapulgite, montmorillonite, kaolin, is preferably attapulgite.This preferred clay has very strong plasticity-, can be out of shape and can maintain the original state for a long time, water keeping fertilizer granulating can be made to play cohesive action after moistening with water under less pressure; And the internal porous road of this clay, specific surface area is large, can reach more than 500m2/g, with electronegativity on particle, have good physical adsorbability and chemical mobility of the surface, and the corrupt substance in energy active adsorption soil, plays the effect of deodorizing.This clay uses commercially available product.
The amino acid of the preferred polarity zone negative charge of above-mentioned amino acid, comprises but is not only only at least one in aspartic acid, L-glutamic acid, and this preferred amino acid is the raw material synthesizing other amino acid and proteins in plant materials.In moisturizing fertilizer, add amino acid, while increasing soil fertility, can also acid base equilibrium be regulated.This amino acid can use commercially available product.The humic acid of above-mentioned humic acid preferably powdered, comprises but is not only only at least one in pure humic acid, nitro humus acid, sodium humate sylvite material.This preferred humic acid is rich in hydrophilic acidic material, there is the function such as good physiologically active and absorption, complexing, exchange, can with the metal ion clutch in soil, being conducive to nutritive element to crop transmits, and can Soil structure be improved, be conducive to the growth of farm crop.This humic acid uses commercially available product.
Above-mentioned filler is at least one in zeolite powder, silicon calcium powder.The particle diameter of this zeolite powder is preferably 100 ~ 250 orders, its surface irregularity also has vesicular structure, not only nutritive substance and uniform moisture can be adsorbed on surface, and can be adsorbed onto in hole and passage, the time of releasing of energy proper extension nutrient and moisture, strengthen the water retention capacity of soil.Silicon calcium powder is preferably the ore powder of low iron aluminium high calcium silicon, the potential of hydrogen of its adjustable soil, and the calcium supplemented in soil and magnesium elements, build up fertility.This zeolite powder and silicon calcium powder use commercially available product.
Water keeping fertilizer of the present invention with agricultural plants resource for major ingredient, through complex micro organism fungicide fermentation dehydration, with the scientific compatibility after-ripening such as amino acid, humic acids, mineral element, be decomposed to form the fertilizer being rich in small molecules organic matter, this organic fertilizer is combined with soil colloid, is of value to improving Soil structure and the gas permeability of soil, increasing soil fertility and water retention capacity; Add amino acid in formula simultaneously, growth that filler is plant provides organic and inorganic nutrients, and utilize the characterization of adsorption of self to improve the water retention capacity of soil; In addition, amino acid and humic acid can also regulate soil acid-base equilibrium, improve the root system microenvironment of plant, enhance the disease-resistant of plant and anti-adversity ability.Above-mentioned each component acts synergistically mutually, constitutes a kind of water keeping fertilizer of physics fertility, Biological fertility and the Chemical fertility that can improve soil.Correspondingly, the embodiment of the present invention additionally provides the preparation method of a kind of water keeping fertilizer above.The method process flow sheet is as Fig. 1 so show, the method comprises the steps:
S01, takes raw material: take agricultural plants resource, oyster shell powder, microbiobacterial agent, clay, amino acid, humic acid, filler by the formula of water keeping fertilizer mentioned above;
S02, prepares mixture one: the agricultural plants resource taken in step S01 mixed with above-mentioned oyster shell powder, stacks, obtains mixture one;
S03, prepares mixture two: the mixture one obtained by S02 mixes with the humic acid taken in step S01, makes C/N be 20 ~ 30:1, then mixes with the microbiobacterial agent taken in step S01, and turning is fermented, and obtains mixture two;
S04, prepares mixture three: the mixture two obtained by S03 mixes with the clay taken in step S01, amino acid, filler, stacks after-ripening, obtains preparing mixture three
S05, obtains water keeping fertilizer: mixture three drying obtained by S04, pulverizing, Screening Treatment, obtain water keeping fertilizer.
Particularly, in above-mentioned steps S01, the size of each component taken, formula, kind are described above, in order to length, do not repeat them here.The method that the method taken adopts this area conventional.
Particularly, in above-mentioned steps S02, mix with above-mentioned oyster shell powder after the agricultural plants resource fragmentation that step S01 is taken, stack process 25 ~ 35 days, be preferably air storage.Because plant materials is rich in moisture, water content is approximately 70 ~ 85%, and after mixing with oyster shell powder, due to the osmosis of water, moisture disengages in vegetable cell, obtains mixture one.In addition, the ingredients calcium carbonate in oyster shell powder, in this step generation thermopositive reaction, makes the temperature of mixture one not higher than 70 DEG C, is preferably 45 ~ 70 DEG C, contributes to microbial bacteria fermentation in subsequent step S03 when being especially 45 DEG C, 50 DEG C, 60 DEG C; Trace element in oyster shell powder and aminoacid component enter the fibrous tissue gap of plant, make mixture one be rich in nutrient.
Particularly, in above-mentioned steps S03, move in fermentation unit, mix the mixture one obtained in S02 with above-mentioned humic acid, adjustment C/N is 20 ~ 30:1, is preferably 25:1, and this preferred carbon-nitrogen ratio contributes to microorganism and carries out fermentation decomposition; And then mix with mentioned microorganism microbial inoculum, turning fermentation 10 ~ 15 days, obtains mixture two.This turning step can be placed in fermentation unit and carry out, and such as drum-type fermentation machine, trough type fermentation machine or fermentation tower etc., contribute to mixture two evenly more fully ferment.（
Particularly, in above-mentioned steps S04, the mixture two obtained in S03 is mixed with above-mentioned clay, amino acid and filler, wherein, the sequencing throwing in material in mixture two is preferably: amino acid, filler, clay, stacks slaking 15 ~ 30 days, to mixture do not produce hydration heat, temperature is normal temperature or constancy of volume, so far turning slaking completes, and obtains mixture three.Further, the pH value of this mixture three is 4 ~ 9, is preferably 5 ~ 8.5.
Particularly, in above-mentioned steps S05, the mixture three obtained in S04 is carried out drying, pulverizing, Screening Treatment.The method that this drying, pulverizing and the method for screening can adopt this area conventional.After drying, the weight percentage of water in mixture three is 20 ~ 40%, is preferably 15%.Screening particle diameter is the Powdered or granular mixtures of 60 ~ 80 objects, obtains described water keeping fertilizer.The water keeping fertilizer of this preferable particle size, can increase the contact surface with soil colloid, can improve Water-saving effect.
The preparation method of water keeping fertilizer of the present invention makes full use of agriculture waste resource, dewater and method that microorganism compost ferments by combining with alkaline material to stack,, produce the basic material of water keeping fertilizer, potential of hydrogen and C/N etc. is regulated by interpolation amino acid, humic acids, filler etc., each component is acted synergistically, obtains above-mentioned water keeping fertilizer.This production technique is simple, cost is low, employment is few, energy consumption is low, protection of the environment.
Now in conjunction with specific examples, embodiment of the present invention water keeping fertilizer and preparation method thereof is further elaborated.
Embodiment 1
Embodiment of the present invention water keeping fertilizer preparation method, comprises the steps:
Step S11, prepares mixture one: take the banana after 85% fragmentation, pineapple and sisal hemp by weight percentage, with 15% oyster shell powder mix after, air storage is anhydrated, and obtains the mixture one that water content is 50 ~ 65%.
Step S12, prepare mixture two: take the mixture one obtained in the step S11 of 85% by weight percentage, moved to fermentation unit with 10% humic acids mix, adjustment C/N is 20 ~ 30:1, then the complex micro organism fungicide adding 5% carries out turning and ferments 10 days, obtains mixture two;
Step S13, prepare mixture three: take by weight percentage mixture two that 80% step S12 obtains and the attapulgite of 10%, the zeolite powder of 8% with 2% amino acid mix, stack slaking 10 days, obtained mixture three, the pH value of this mixture three is 6 ~ 8;
Step S14, obtains water keeping fertilizer: the mixture three obtained by step S13 carries out drying, pulverizing, crosses 60 object sieves, and obtain the water keeping fertilizer of powdery, the water content of this water keeping fertilizer is 15%;
Embodiment 2
Embodiment of the present invention water keeping fertilizer preparation method, comprises the steps:
Step S21, prepares mixture one: take the banana after 80% fragmentation, pineapple and sisal hemp by weight percentage, with 20% oyster shell powder mix after, air storage is anhydrated, and obtains the mixture one that water content is 50 ~ 65%.
Step S22, prepare mixture two: take the mixture one obtained in the step S21 of 85% by weight percentage, moved to fermentation unit with 12% humic acids mix, adjustment C/N is 20 ~ 30:1, then the complex micro organism fungicide adding 3% carries out turning and ferments 15 days, obtains mixture two;
Step S23, prepare mixture three: take by weight percentage mixture two that 80% step S22 obtains and the attapulgite of 8%, the zeolite powder of 10% with 2% amino acid mix, stack slaking 15 days, obtained mixture three, the pH value of this mixture three is 6 ~ 8; Step S24, obtains water keeping fertilizer: the mixture three obtained by step S23 carries out drying, pulverizing, crosses 60 object sieves, and obtain the water keeping fertilizer of powdery, the water content of this water keeping fertilizer is 15%;
Embodiment 3
Embodiment of the present invention water keeping fertilizer preparation method, comprises the steps:
Step S31, prepares mixture one: take the banana after 75% fragmentation, pineapple and sisal hemp by weight percentage, with 25% oyster shell powder mix after, air storage is anhydrated, and obtains the mixture one that water content is 50 ~ 65%.
Step S32, prepare mixture two: take the mixture one obtained in the step S31 of 80% by weight percentage, moved to fermentation unit with 15% humic acids mix, adjustment C/N is 20 ~ 30:1, then the complex micro organism fungicide adding 5% carries out turning and ferments 12 days, obtains mixture two; Step S33, prepare mixture three: take by weight percentage mixture two that 85% step S32 obtains and the attapulgite of 7%, the zeolite powder of 7% with 1% amino acid mix, stack slaking 15 days, obtained mixture three, the pH value of this mixture three is 6 ~ 8; Step S34, obtains water keeping fertilizer: the mixture three obtained by step S33 carries out drying, pulverizing, crosses 60 object sieves, and obtain the water keeping fertilizer of powdery, the water content of this water keeping fertilizer is 15%;
Comparative example 1
Farm, Qu Jie town, Xuwen County of Guangdong
The Xuwen County of Guangdong faced each other across the sea with Hainan Island, because the Lezhou Peninsula, place landform is long and narrow, interior without rivers and lakes, steam output is greater than quantity of precipitation, periodically experiencings the vicious cycle of " 5 years great droughts, have spring drought at 3 years little morning every year ".Here be called as in " the arid special zone " of southern Largest In China.With efficient green water keeping fertilizer prepared by above-described embodiment 1, rate of fertilizer application is 500 kgs/acre, executes at upper soll layer 0-20cm, continuous administration 3 years, compares executing before and after anti-acid fertilizer sugarcane per mu yield etc., specifically as shown in table 1:
Water conservation situation before and after efficient green water keeping fertilizer (available water content %) executed by table 1
Remarks: wherein control group does not use fertilizer; Water keeping fertilizer group uses the water keeping fertilizer containing the embodiment of the present invention 1, and treatment process is: get pending soil natural air-dry after, place and soak 48 hours in water in a reservoir, then unnecessary water is discharged, outdoor normal temperature is placed, and every day is weighed.
Can see from table 1, the water keeping fertilizer used containing the embodiment of the present invention 1 adds the moisture content maintenance effect of 10 ~ 20% than control group, drought resisting time lengthening 5 ~ 10 days.
Comparative example 2
Gongming farm, Baoan District of ShenZhen,GuangDong city
Gongming farm soil is between 4.1 ~ 5.3, and due to reasons such as long-term application chemical fertilizer and lime, the situation of hardening appears in soil.With the fertilizer of water keeping fertilizer additive 8% prepared by above-described embodiment 2, rate of fertilizer application be 200 kgs/acre as base manure, continuous administration 2 years, compares the soil regime executed before and after water keeping fertilizer, specifically as shown in table 2:
The soil physics P balance before and after water keeping fertilizer executed by table 2
Remarks: wherein control group water keeping fertilizer; Water keeping fertilizer group uses the water retention organic fertilizer material containing the embodiment of the present invention 2.
Can see from table 2, compared with before using, use water keeping fertilizer containing the embodiment of the present invention 2 after 2 years, soil pH becomes 5.7 ~ 6.3 from 4.6, improves potential of hydrogen greatly; The soil weight reduces 0.19gcm
-3, total porosity improves 3.3 percentage points, and capillary porosity improves 1.0 percentage points, and non-hollow billet voidage improves 2.3 percentage points, and field capacity improves 4.3 percentage points.
Those skilled in the art all know that the height of the soil weight, porosity, field capacity is the important indicator weighing soil physics fertility.So-called soil physics fertility refers to that soil provides the ability of required physical condition for growth and development of plants; Soil physics fertility has the ability maintaining Soil structure and do not destroy, be not etched and run off simultaneously, and plays promoter action to soil organisms and chemical process.Can see from table 2 after application of water keeping fertilizer of the present invention, soil physics fertility is significantly improved, and water retention capacity significantly improves.
Comparative example 3
North China soil wheat seedling growth test is used containing water keeping fertilizer of the present invention, amount of application is respectively 5g, 10g, 20g/ basin, and (every basin contains the soil of 1kg, the consumption amounting to water keeping fertilizer is respectively 150kg, 300kg, 600kg/ mu), disposable employed as base manure, use water keeping fertilizer and control group (not using water keeping fertilizer) compares, operation steps is: cucumber seeds 30 broadcast by every basin, after planting waters once, irrigation amount is 200 milliliters, each process repetition 3 times.Wherein, April 3 soaked seed, and April 7 was sowed, and April 11 emerged, and April 15 emerged completely, statistics seedling rate, specifically as shown in table 3:
Table 3 is used water keeping fertilizer and is emerged on cucumber and the impact in seedling stage
| Process | Seedling rate | Observe after 15 days |
| Contrast | 78% | Seedling turns yellow, and starts to wither |
| Water keeping fertilizer 150kg/ mu | 82% | Seedling light discolouration, well-grown |
| Water keeping fertilizer 300kg/ mu | 89% | Growth of seedling is good |
| Water keeping fertilizer 600kg/ mu | 94% | Growth of seedling is good |
Remarks: wherein control group water keeping fertilizer; Water keeping fertilizer group uses the water keeping fertilizer of the embodiment of the present invention 3.
Can see from table 3 after the water keeping fertilizer that application of the embodiment of the present invention 3, the seedling rate of farm crop significantly improves, and drought-resistant ability strengthens.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a preparation method for water keeping fertilizer, comprises the steps:
Agricultural plants resource, oyster shell powder, microbiobacterial agent, clay, amino acid, humic acid, filler is taken by formula; Described formula comprises the component of following weight percentage:
Described microbiobacterial agent comprises at least one in milk-acid bacteria, genus bacillus, Trichoderma;
Described agricultural plants resource is mixed with oyster shell powder, stacks, obtain mixture one;
Described mixture one mixes with described humic acid, makes C/N be 20 ~ 30:1, then mixes with described microbiobacterial agent, and turning is fermented, and obtains mixture two; Described mixture two is mixed with described clay, amino acid, filler, stacks after-ripening, obtain mixture three;
Be dry, pulverize by described mixture three, screening, obtains described water keeping fertilizer.
2. the preparation method of water keeping fertilizer as claimed in claim 1, is characterized in that, described water keeping fertilizer be Powdered, granular any one, the powder diameter of described water keeping fertilizer is 60 ~ 80 orders, and particulate state particle diameter is 1-5mm.
3. the preparation method of the water keeping fertilizer as described in as arbitrary in claim 1 ~ 2, is characterized in that: described agricultural plants resource comprises at least one in banana stem leaves, pineapple stem and leaf, sisal hemp cauline leaf, tealeaf residue.
4. the preparation method of the water keeping fertilizer as described in as arbitrary in claim 1 ~ 2, is characterized in that: described clay is at least one in attapulgite, montmorillonite, kaolin.
5. the preparation method of the water keeping fertilizer as described in as arbitrary in claim 1 ~ 2, is characterized in that: described filler is at least one in zeolite powder, silicon calcium powder.
6. the preparation method of water keeping fertilizer as claimed in claim 1, is characterized in that: the water content of described water keeping fertilizer is 20 ~ 40%.
7. the preparation method of water keeping fertilizer as claimed in claim 1, is characterized in that: the time that described mixture one ferments with described humic acid, microbiobacterial agent mixing turning is 10 ~ 15 days.
8. the preparation method of water keeping fertilizer as claimed in claim 1, is characterized in that: described mixture two mixes the time of stacking after-ripening with described clay, amino acid, filler be 15 ~ 30 days.
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| CN104945192A (en) * | 2015-06-17 | 2015-09-30 | 耿跃 | Improvement preparation for improving soil of dry farmland |
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| CN106365832A (en) * | 2016-08-29 | 2017-02-01 | 陈景河 | Method for preparing fertility-preserving drought-resisting type oyster-shell-powder organic sustained/controlled-release fertilizer |
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| CN102627514A (en) * | 2012-04-27 | 2012-08-08 | 深圳市芭田生态工程股份有限公司 | Soil-acidification-resistant organic fertilizer additive and preparation method thereof |
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