CN113501733A - Special functional bio-organic fertilizer for hickory and preparation method thereof - Google Patents
Special functional bio-organic fertilizer for hickory and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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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
- C05F17/20—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation using specific microorganisms or substances, e.g. enzymes, for activating or stimulating the treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- 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
- C05G5/14—Tablets, spikes, rods, blocks or balls
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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
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- 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 relates to a functional bio-organic fertilizer special for hickory and a preparation method thereof, belonging to the technical field of agricultural product planting. The organic fertilizer comprises the following raw materials in parts by weight: 60-80 parts of fermented walnut shell, 20-30 parts of decomposed organic fertilizer, 17-22 parts of high-calcium water-retaining particles, 10-15 parts of plant ash, 5-8 parts of activated selenium mineral powder and 5-8 parts of phosphorus-rich powder; functional powder is mixed, then the mixture is made into a blank in a stacking mode, and the blank is compressed and cut to prepare a finished fertilizer.
Description
Technical Field
The invention belongs to the technical field of agricultural product planting, and particularly relates to a functional bio-organic fertilizer special for hickory and a preparation method thereof.
Background
The pecan husk is the epicarp of pecan, has high lignin content, and only a few fungi can degrade lignin. The pecan cattail shells are alkaline and contain various alkaloids, tannins and other substances, and many microorganisms in nature are difficult to survive in the pecan cattail shells, so the pecan cattail shells are difficult to degrade and not easy to rot in the environment. In the processing place of the hickory, the cattail shells which are about 5 times of the volume of the hickory nuts can be generated, and the ecological environment of the hickory producing area can be seriously influenced by the accumulation of a large number of hickory nut cattail shells.
Due to the high nutritive value of walnuts and the strong adaptability of walnut trees, more and more walnuts are planted, and most of the walnuts are planted by using chemical fertilizers to increase the yield. The use of chemical fertilizers can destroy the ecosystem of the soil and the chemical fertilizers are susceptible to the soil environment. Therefore, the invention provides a special fertilizer which is environment-friendly and suitable for walnut planting based on the treatment of walnut shells.
Disclosure of Invention
In order to overcome the technical problems mentioned in the background technology, the invention aims to provide a functional bio-organic fertilizer special for hickory and a preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
a functional bio-organic fertilizer special for hickory nuts comprises 60-80 parts of fermented walnut shells, 20-30 parts of decomposed organic fertilizer, 17-22 parts of high-calcium water-retaining particles, 10-15 parts of plant ash, 5-8 parts of activated selenium mineral powder and 5-8 parts of phosphorus-rich powder;
the fermented walnut shell is prepared by the following steps:
step A1: adding fresh walnut shells into a pounding machine, setting the pounding pressure to be 80-90kg and the pounding amount to be 60-80 times/50 kg, then draining the pounded shells, removing pounded pulp water to obtain pretreated shells, and removing phenolic tannin, glycoside and alkaloid which are rich in the shells along with the pulp water in a pounding mode, so that the phenomenon that the substances inhibit the growth of microorganisms and influence the fermentation degree in the fermentation process is reduced;
step A2: adding the pretreated cattail shells, the fermentation auxiliary materials, the composite microbial inoculum and water into a stirrer, uniformly mixing, then pouring into a fermentation cellar, and fermenting for 30-40 days at normal temperature to obtain a fermentation material;
step A3: filtering the fermented material, drying the filter cake in the sun to obtain fermented walnut cattail shells, wherein the fermented cattail shells take lignin as a main component and can be biologically degraded to provide nutrients for walnut trees; and moreover, the walnut shell fiber fertilizer has a supporting effect and water permeability, gaps are formed after application, soil loosening and nutrient leaching are facilitated, meanwhile, the roots of walnuts can grow into the gaps of the silk network of the hull, nutrients are fully absorbed, and the fertilizer efficiency is high.
Furthermore, the fermentation auxiliary materials comprise corn straws, rice bran and bean cakes, and are mixed according to the dosage-mass ratio of 1.5:3.1:0.9, and the fermentation auxiliary materials are added to jointly ferment and increase trace elements on one hand, and provide nutrients for strains on the other hand.
Further, the composite microbial agent comprises a trametes robusta microbial agent, a bacillus subtilis microbial agent, a bacillus megaterium microbial agent and a bacillus sphaericus microbial agent, the mass ratio of the doses of the bacillus megaterium microbial agent to the bacillus sphaericus microbial agent is 0.6:1.1:0.5:0.5, the microbial agents are respectively activated before use, the trametes robusta generates laccase in the fermentation process, lignin can be effectively decomposed, and the composite microbial agent is suitable for the fermentation of cattail shells rich in lignin, and the compounding of the bacillus megaterium microbial agent and the bacillus sphaericus microbial agent is favorable for fixing nitrogen.
Further, the dosage ratio of the pretreated cattail shells, the fermentation auxiliary materials, the composite microbial inoculum and the water is 100 kg: 7-9 kg: 27-31 g: 13-15L.
High-calcium water-retaining particles the high-calcium water-retaining particles are prepared by the following steps:
step B1: grinding the furnace slag, the zeolite and the montmorillonite, sieving by a 100-mesh sieve, and taking the sieve for blanking to respectively obtain furnace slag powder, zeolite powder and montmorillonite powder;
step B2: adding the slag powder, the montmorillonite powder, the coal ash powder and the zeolite powder into a stirrer, uniformly mixing, adding the starch glue and the water, stirring to prepare a mixture, adding the mixture into a granulator, extruding and granulating to obtain granules with the particle size of 2-4mm, and naturally drying until the water content in a core part is not more than 8% to prepare the high-calcium water-retaining granules.
Further, in the step B2, the usage ratio of the slag powder, the montmorillonite powder, the coal ash powder, the zeolite powder, the starch glue and the water is 1 kg: 0.4 kg: 0.7 kg: 0.9-1.5 kg: 0.3-0.5L: 0.4-0.6L.
Further, the phosphorus-rich powder is prepared by roasting oyster shells and kitchen leftover bones at the temperature of 500-600 ℃ for 5-7h and then crushing.
A preparation method of a functional bio-organic fertilizer special for hickory comprises the following steps:
step S1: adding plant ash, activated selenium mineral powder and phosphorus-rich powder in parts by weight into a stirrer, and uniformly mixing to prepare functional composite powder;
step S2: spreading the fermented walnut cattail shells in a mould, spreading high-calcium water-retaining particles on the fermented walnut cattail shells, spreading decomposed organic fertilizer on the high-calcium water-retaining particles, spreading functional composite powder on the decomposed organic fertilizer, and repeatedly spreading 2-3 layers to prepare a composite fertilizer blank;
step S3: and (3) pressing the compound fertilizer blank to half of the original height by using a hydraulic press, cutting the pressed blank into blocks by using cutting equipment, and then packaging and sealing the blocks to obtain the functional bio-organic fertilizer special for the pecans.
The invention has the beneficial effects that:
1. the organic fertilizer prepared by the invention takes the pecan cattail shells as a carrier, so that the cattail shells are recycled; pounding and fermenting to remove peel and serous fluid, preventing phenolic tannin, glycoside and alkaloid in the peel from inhibiting the activity of fungi, fermenting by using a composite microbial inoculum, and decomposing the peel to obtain the fermented cattail peel with a silk-twine structure, wherein the cattail peel takes lignin as a main component, is biodegradable and provides nutrients for walnut trees; and moreover, the walnut shell fiber fertilizer has a supporting effect and water permeability, gaps are formed after application, soil loosening and nutrient leaching are facilitated, meanwhile, the roots of walnuts can grow into the gaps of the silk network of the hull, nutrients are fully absorbed, and the fertilizer efficiency is high.
2. The compound fertilizer prepared by the invention is added with a high-calcium water-retaining particle, the raw materials of the compound fertilizer contain slag powder and coal ash powder, and the compound fertilizer is calcined at high temperature in the forming process, contains a large amount of active calcium elements, has high water solubility, and is beneficial to the full walnut kernels by increasing the calcium content; montmorillonite powder is added into the raw materials, so that the water absorption is high, and the montmorillonite powder is used as a water-retaining material, so that the problem that nutrients cannot be fully leached due to high water permeability of the hulls is solved; the zeolite powder is added into the raw materials as a filler, has good water permeability, forms a water channel in particles, is beneficial to leaching nutrients, has poor water absorption, forms a particle framework under the bonding action of starch glue, collapses in the fruiting period of walnuts through a reasonable formula, fully releases calcium elements, and is beneficial to improving the quality of walnut kernels.
3. The compound fertilizer prepared by the invention is prepared by composting the raw materials, wherein the plant ash, the activated selenium mineral powder and the phosphorus-rich powder are applied to directly supply potassium, selenium and phosphorus elements for walnut trees, and the elements are beneficial to bud division and growth of the walnut trees and directly improve the yield of walnuts.
4. The raw materials adopted by the compound fertilizer prepared by the invention all belong to biodegradable materials, and the environment pollution can not be caused.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The preparation method of the fermented walnut shell comprises the following specific steps:
step A1: adding 200kg of fresh walnut shell into a pounding machine, setting pounding pressure to be 80kg, adding 50kg of walnut shell each time, setting pounding times to be 60 times, filtering the pounding after pounding by using a filter screen with the mesh diameter of 3 x 3mm, spreading the filtered shell on a drying yard, and draining to prepare pretreated shell;
step A2: weighing 15kg of corn straw, 31kg of rice bran and 9kg of bean cake, pouring the materials into a stirrer, setting the stirring speed to 240r/min, stirring for 10min to obtain fermentation auxiliary materials, weighing 60g of coarse hairpins microbial inoculum, 110g of bacillus subtilis microbial inoculum, 50g of bacillus megaterium microbial inoculum and 50g of spherical bacillus microbial inoculum, adding 10L of glucose aqueous solution with the mass concentration of 20% and the temperature of 32 ℃ to uniformly mix to obtain mixed bacterial liquid, then pouring 100kg of pretreated cattail shells, 7kg of fermentation auxiliary materials, 500mL of mixed bacterial liquid and 13L of water into the stirrer, setting the stirring speed to 60r/min, stirring for 20min, then pouring the stirred materials into a fermentation cellar, and fermenting for 30d at normal temperature to obtain fermentation materials;
step A3: and (3) after the fermentation is finished, filtering by using a3 x 3mm filter screen again, spreading a filter cake on a sunning ground, and naturally drying in the sun to obtain the fermented cattail shells.
Example 2
The preparation method of the fermented walnut shell comprises the following specific steps:
step A1: adding 200kg of fresh walnut shell into a pounding machine, setting pounding pressure to be 85kg, adding 50kg of walnut shell each time, setting pounding times to be 70 times, filtering the pounding after pounding by using a filter screen with the mesh diameter of 3 x 3mm, spreading the filtered shell on a drying yard, and draining to prepare pretreated shell;
step A2: weighing 15kg of corn straw, 31kg of rice bran and 9kg of bean cakes, pouring the corn straw, 31kg of rice bran and 9kg of bean cakes into a stirrer, setting the stirring speed to 240r/min, stirring for 10min to obtain fermentation auxiliary materials, weighing 60g of coarse hairpins microbial inoculum, 110g of bacillus subtilis microbial inoculum, 50g of bacillus megaterium microbial inoculum and 50g of spherical bacillus microbial inoculum, adding 5L of glucose aqueous solution with the mass concentration of 20% and the temperature of 32 ℃ to uniformly mix to obtain mixed bacterial liquid, then pouring 100kg of pretreated cattail shells, 8kg of fermentation auxiliary materials, 530mL of mixed bacterial liquid and 14L of water into the stirrer, setting the stirring speed to 60r/min, stirring for 20min, then pouring the stirred materials into a fermentation cellar, and fermenting for 35d at normal temperature to obtain fermented materials;
step A3: and (3) after the fermentation is finished, filtering by using a3 x 3mm filter screen again, spreading a filter cake on a sunning ground, and naturally drying in the sun to obtain the fermented cattail shells.
Example 3
The preparation method of the fermented walnut shell comprises the following specific steps:
step A1: adding 200kg of fresh walnut shell into a pounding machine, setting pounding pressure to be 90kg, adding 50kg of walnut shell each time, setting pounding times to be 80 times, filtering the pounding after pounding by using a filter screen with the mesh diameter of 3 x 3mm, spreading the filtered shell on a drying yard, and draining to prepare pretreated shell;
step A2: weighing 15kg of corn straw, 31kg of rice bran and 9kg of bean cake, pouring the materials into a stirrer, setting the stirring speed to 240r/min, stirring for 10min to obtain fermentation auxiliary materials, weighing 60g of coarse hairpins microbial inoculum, 110g of bacillus subtilis microbial inoculum, 50g of bacillus megaterium microbial inoculum and 50g of spherical bacillus microbial inoculum, adding 10L of glucose aqueous solution with the mass concentration of 20% and the temperature of 32 ℃ to uniformly mix to obtain mixed bacterial liquid, then pouring 100kg of pretreated cattail shells, 9kg of fermentation auxiliary materials, 570mL of mixed bacterial liquid and 15L of water into the stirrer, setting the stirring speed to 60r/min, stirring for 20min, then pouring the stirred materials into a fermentation cellar, and fermenting for 40d at normal temperature to obtain fermentation materials;
step A3: and (3) after the fermentation is finished, filtering by using a3 x 3mm filter screen again, spreading a filter cake on a sunning ground, and naturally drying in the sun to obtain the fermented cattail shells.
Example 4
In this example, a high calcium water-retaining granule is prepared by the following specific processes:
step B1: grinding the furnace slag, the zeolite and the montmorillonite, sieving by a 100-mesh sieve, and taking the sieve for blanking to respectively obtain furnace slag powder, zeolite powder and montmorillonite powder;
step B2: weighing 10kg of furnace slag powder, 4kg of montmorillonite powder, 7kg of coal ash powder and 9kg of zeolite powder, adding the materials into a stirrer, uniformly mixing, adding 0.5L of starch glue and 0.4L of water into the powder by stirring, stirring to prepare a mixture, adding the mixture into a granulator, extruding and granulating to obtain 2-4mm granules, and naturally drying until the water content of a core part is not more than 8% to prepare the high-calcium water-retaining granules.
Example 5
The phosphorus-rich powder is prepared by the following specific processes:
10kg of oyster shell and 7kg of kitchen waste bone are added into a muffle furnace, heated to 500 ℃, roasted for 5 hours, and then added into a double-roller type crusher to be crushed to prepare the phosphorus-rich powder.
Example 6
The embodiment of the invention provides a functional bio-organic fertilizer special for hickory, which comprises the following specific processes:
step S1: weighing 10kg of plant ash, 5kg of activated selenium mineral powder and 5kg of the phosphorus-rich powder prepared in the example 5, adding the materials into a stirrer, controlling the stirring speed to be 300r/min, and stirring for 15min to prepare functional composite powder;
step S2: weighing 60kg of the fermented walnut shell prepared in example 1, 17kg of the high-calcium water-retaining particles prepared in example 4, 20kg of the decomposed organic fertilizer and the functional composite powder prepared in step S1, dividing the raw materials into two parts, spreading the high-calcium water-retaining particles on the fermented walnut shell in a mold, spreading the decomposed organic fertilizer on the high-calcium water-retaining particles, spreading the functional composite powder on the decomposed organic fertilizer, and repeatedly spreading 2 layers to prepare a compound fertilizer blank;
step S3: putting the compound fertilizer blank together with the die into a hydraulic press, pressing the compound fertilizer blank into half of the original height, then conveying the compound fertilizer blank into a cutting machine, cutting the pressed blank into blocks with the cross section of 0.3 x 0.5m, then filling the blocks into packaging bags, and sealing the packaging bags to obtain the functional bio-organic fertilizer special for the pecans.
Example 7
The embodiment of the invention provides a functional bio-organic fertilizer special for hickory, which comprises the following specific processes:
step S1: weighing 12kg of plant ash, 6kg of activated selenium mineral powder and 6kg of the phosphorus-rich powder prepared in the example 5, adding the materials into a stirrer, controlling the stirring speed to be 300r/min, and stirring for 15min to prepare functional composite powder;
step S2: weighing 70kg of the fermented walnut shell prepared in example 2, 20kg of the high-calcium water-retaining particles prepared in example 4, 25kg of the decomposed organic fertilizer and the functional composite powder prepared in step S1, dividing the raw materials into two parts, spreading the high-calcium water-retaining particles on the fermented walnut shell in a mold, spreading the decomposed organic fertilizer on the high-calcium water-retaining particles, spreading the functional composite powder on the decomposed organic fertilizer, and repeatedly spreading 2 layers to prepare a compound fertilizer blank;
step S3: putting the compound fertilizer blank together with the die into a hydraulic press, pressing the compound fertilizer blank into half of the original height, then conveying the compound fertilizer blank into a cutting machine, cutting the pressed blank into blocks with the cross section of 0.3 x 0.5m, then filling the blocks into packaging bags, and sealing the packaging bags to obtain the functional bio-organic fertilizer special for the pecans.
Example 8
The embodiment of the invention provides a functional bio-organic fertilizer special for hickory, which comprises the following specific processes:
step S1: weighing 15kg of plant ash, 8kg of activated selenium mineral powder and 8kg of the phosphorus-rich powder prepared in the example 5, adding the materials into a stirrer, controlling the stirring speed to be 300r/min, and stirring for 15min to prepare functional composite powder;
step S2: weighing 80kg of the fermented walnut shell prepared in example 3, 22kg of the high-calcium water-retaining particles prepared in example 4, 30kg of the decomposed organic fertilizer and the functional composite powder prepared in step S1, dividing the raw materials into three parts, spreading the high-calcium water-retaining particles on the fermented walnut shell in a mold, spreading the decomposed organic fertilizer on the high-calcium water-retaining particles, spreading the functional composite powder on the decomposed organic fertilizer, and repeatedly spreading 3 layers to prepare a composite fertilizer blank;
step S3: putting the compound fertilizer blank together with the die into a hydraulic press, pressing the compound fertilizer blank into half of the original height, then conveying the compound fertilizer blank into a cutting machine, cutting the pressed blank into blocks with the cross section of 0.3 x 0.5m, then filling the blocks into packaging bags, and sealing the packaging bags to obtain the functional bio-organic fertilizer special for the pecans.
Comparative example 1
The comparative example is a commercial dry pig manure decomposed organic fertilizer.
Comparative example 2
The contrast is a special fertilizer for the commercial walnuts.
Comparative example 3
The comparative example is a commercial ternary compound fertilizer.
The fertilizer efficiency test was carried out on examples 6 to 8 and comparative examples 1 to 3, and the specific test method was as follows:
selecting a walnut orchard and 30 fruit trees with the age of 5 years, recording data and fruiting conditions of the fruit trees in the harvest season of the first year, applying the fertilizer in the same management mode in the second year, taking average values of the data in the harvest season of the second year, wherein the specific data are shown in table 1:
TABLE 1
As can be seen from Table 1, the organic fertilizer prepared in examples 6-8 is applied, the fruit trees and walnuts grow vigorously, in example 7, the weight of a single fruit is increased from 85g to 109g in the first year, the weight of the single fruit is increased by 28.2%, the yield of the second year in example 7 is increased by 40% compared with the first year, the dry period is increased from 4.7cm to 5.6cm, the weight of the fresh beancurd sheets is increased from 124g to 159g, as shown in the data surface, the organic fertilizer prepared by the invention is beneficial to the growth of the fruit trees and the fruiting of walnuts, because the organic fertilizer prepared by the invention takes the pecan shells as a carrier, the roots of the trees can grow into the gaps of the silk of the pecan shells and can fully absorb nutrients, the fertilizer effect of the fertilizer is high, the added raw material is rich in potassium, phosphorus, selenium and selenium functional elements which are greatly needed by the growth of the walnut trees, the fertilizer is prepared in a composting manner, the fertilizer is directly contacted and absorbed by the fruit trees, and the base fertilizer is applied in the time before the fruit-bearing period can be fully used for the growth of the fruit trees, in addition, the high-calcium water-retention particles are rich in water-soluble calcium elements, so that the growth of walnut kernels is facilitated, the particles are bonded by zeolite powder and starch glue as frameworks, and through a reasonable formula, the particles collapse in the fruiting period of walnuts, so that the calcium elements are fully released, and the walnuts in the fruiting period fully absorb calcium for the growth of the walnuts, thereby improving the yield.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (7)
1. A functional bio-organic fertilizer special for hickories is characterized by comprising the following raw materials in parts by weight: 60-80 parts of fermented walnut hulls, 20-30 parts of decomposed organic fertilizer, 17-22 parts of high-calcium water-retaining particles, 10-15 parts of plant ash, 5-8 parts of activated selenium mineral powder and 5-8 parts of phosphorus-rich powder;
the fermented walnut shell is prepared by the following steps:
step A1: pounding fresh walnut shells, and draining to obtain slurry water to obtain pretreated shells;
step A2: pouring the pretreated cattail shells, the fermentation auxiliary materials, the composite microbial inoculum and water into a fermentation cellar, and fermenting for 30-40 days at normal temperature to obtain a fermentation material;
step A3: and filtering the fermentation material, and drying the filter cake in the sun to obtain the fermented walnut cattail shells.
2. The functional bio-organic fertilizer special for the pecans as claimed in claim 1, wherein fermentation auxiliary materials comprise corn stalks, rice bran and bean cakes, and are mixed according to a dosage-mass ratio of 1.5:3.1: 0.9.
3. The functional bio-organic fertilizer special for pecans as claimed in claim 1, wherein the complex microbial inoculum comprises a coarse wool plug microbial inoculum, a bacillus subtilis microbial inoculum, a bacillus megaterium microbial inoculum and a bacillus sphaericus microbial inoculum, and the mass ratio of the complex microbial inoculum to the bacillus sphaericus microbial inoculum is 0.6:1.1:0.5: 0.5.
4. The functional bio-organic fertilizer special for the pecans as claimed in claim 1, is characterized in that the dosage ratio of the pretreated pecan shells, the fermentation auxiliary materials, the complex microbial inoculum and water is 100 kg: 7-9 kg: 27-31 g: 13-15L.
5. The functional bio-organic fertilizer special for hickory nuts as claimed in claim 1, wherein the high-calcium water-retaining particles are prepared by the following steps:
uniformly mixing the slag powder, the montmorillonite powder, the coal ash powder and the zeolite powder to obtain mixed powder, stirring starch glue and water, adding the mixture into the mixed powder to prepare a mixture, extruding, granulating and drying until the water content of a core part is not more than 8%, and preparing the high-calcium water-retaining granules.
6. The functional bio-organic fertilizer as claimed in claim 1, wherein the phosphorus-rich powder is prepared by roasting oyster shell and kitchen leftover at 500-600 ℃ for 5-7h, and then crushing.
7. A preparation method of a functional bio-organic fertilizer special for hickory is characterized by comprising the following steps:
step S1: uniformly mixing plant ash, activated selenium mineral powder and phosphorus-rich powder in parts by weight to prepare functional composite powder;
step S2: sequentially stacking and flatly paving fermented walnut shells, high-calcium water-retaining particles, decomposed organic fertilizer and functional composite powder in a mould, and repeatedly paving 2-3 layers to prepare a compound fertilizer blank;
step S3: compressing the compound fertilizer blank to half of the original height, cutting into blocks, packaging and sealing to obtain the functional bio-organic fertilizer special for the hickory nut.
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| Publication number | Priority date | Publication date | Assignee | Title |
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