Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an organic-inorganic compound fertilizer with mesoporous core-shell type and a preparation method thereof. The multi-layer mesoporous core-shell type bio-organic fertilizer can stabilize microorganisms, effectively fuse inorganic and organic fertilizers, and realize high efficiency, high stability and high disease resistance, thereby obtaining the multi-layer mesoporous core-shell type bio-organic fertilizer with long-acting multi-trace element addition.
The invention is realized by the following technical scheme: in one aspect, an organic-inorganic compound fertilizer with a mesoporous core-shell type is provided, the organic-inorganic compound fertilizer comprises a core layer and a shell layer, and the core layer contains a microbial agent, cellulose hydrogel and honeycomb-tube type organic waste; the shell layer adopts inorganic fertilizer;
through the technical scheme, the invention adopts the honeycomb tube type structure in the mesoporous core-shell type, when the fertilizer is used, the inorganic fertilizer of the outermost layer is firstly absorbed by plants and used as nutrition of the plants to support the growth of the plants, and after the fertilizer of the outer layer is utilized, the organic fertilizer is gradually decomposed; the microbial flora wrapped by cellulose is released into soil after swelling in water to form microbial colonies; after the microorganisms are swelled, the microorganisms fall off from the bio-organic fertilizer to form ordered pore channels, and moisture enters the bio-organic fertilizer through the pore channels to be swelled continuously, so that the microorganisms are released continuously, and the long-acting, lasting and slow-release targets are realized; meanwhile, the organic fertilizer and the chemical fertilizer are applied in a matched manner, so that the effect of improving soil by the organic fertilizer can be achieved, the utilization rate of nitrogen, phosphorus and potassium can be improved, the high efficiency of the chemical fertilizer can be achieved, and further the chemical fertilizer, the organic fertilizer and the microbial flora are fully and effectively combined, and three-in-one effect is achieved.
Further, the inorganic fertilizer is a potassium sulfate calcium magnesium mineral fertilizer.
By the technical scheme, the inorganic fertilizer potassium magnesium calcium sulfate raw ore contains 10 elements of potassium, calcium, magnesium, sulfur, boron, iron, nickel, manganese, zinc, copper and the like, which are supplemented simultaneously, so that nutrition is balanced, the resistance is improved, and the disease resistance and the high efficiency are improved; the fertilizer is characterized in that:
1) Nutrient absorption capacity, and high yield potential;
2) The long-acting controlled-release nitrogen fertilizer has longer fertilizer efficiency, reduces ammonium toxicity and is safe to apply;
3) The fertilizer contains sulfur, zinc and boron, reduces the occurrence of lobular disease, improves the resistance, reduces the occurrence degree of disease, improves the pollination fruit setting capability, reduces the size and grain, and produces high-quality high-grade fruits and vegetables;
4) The potassium sulfate calcium magnesium is especially suitable for soil with low potassium, magnesium and sulfur content and crops with more potassium, magnesium and sulfur, and has better effect as base fertilizer and early topdressing.
Potassium calcium magnesium sulfate [ K ] 2 CazMg(SO 4 ) 4 ·2(H 2 O)]The chemical name polyhalite is a mineral fertilizer (48% SO) containing four nutrients of sulfur, potassium, magnesium and calcium 3 14% K,6% MgO and 17% CaO), mainly distributed on the North sea floor of the United kingdom. The potassium sulfate calcium magnesium is used as a single crystal mineral fertilizer, has stable property, is not easy to absorb moisture and deliquesce, and has comprehensive nutrients; the potassium calcium magnesium sulfate is suitable for chlorine sensitive crops, especially for crops with more calcium, magnesium and sulfur, and for improving acidified soil and salinized soil, and is generally applied as a base fertilizer and an early topdressing or applied as a soil conditioner.
Further, the honeycomb tube type organic waste is made of feces and straw.
Further, the honeycomb tube type organic waste is made of cow dung and corn straw.
Through the technical scheme, the invention adopts a unique honeycomb shell type framework, a degradable cellulose hydrogel protection technology and a specific process improvement to realize high-efficiency stability, and solves the problems of slow effect and easy failure of the microbial fertilizer; in addition, the organic-inorganic multi-element fertilizer with honeycomb tube type is prepared from waste resources such as sheep manure, corn straw and the like, is rich in a large amount of nitrogen, phosphorus and potassium, and is beneficial to the growth of plants and the improvement of crop yield.
Further, the microbial agent is selected from bacillus licheniformis XS2-450 strain with the preservation number of CGMCC NO.9430, and the viable count is more than or equal to 10 12 CFU/g. Specifically, the strain has a accession number ofCGMCC No.9430, deposited on the national institutes of microbiological culture collection of China general microbiological culture Collection center (selected from the group consisting of a biological emulsifier with the authorized publication number CN106701835B and its application, invention patent) at national institute of microbiological culture collection, national academy of sciences of China, no. 3, north Chen, west Lu, 1, of the Korean area, at 7.09, 2014.
Through the technical scheme, the microbial flora is wrapped by the degradable cellulose hydrogel, and the microbial flora can be separated from the organic fertilizer and the inorganic fertilizer and can be protected from being damaged by sunlight ultraviolet rays through the wrapped cellulose hydrogel, so that the stability of the bacterial fertilizer is improved. The microbial agent has the following action and effects:
1) The strain can perform field planting around rhizosphere and interact with root system, release endorphin, polysaccharide and other matters, promote root system development, help root system resist various adverse environments, resist various germ infection, improve root system activity and strongly root. Releasing phosphorus and potassium in the soil and helping plants fix nitrogen. 2) Can form a protective film around seeds and root systems, prevent harmful pathogen infection, and help the seeds to sprout and the root systems to grow healthily. 3) Effectively preventing various soil-borne diseases and plant root diseases from dying the wrinkled of the plant, and realizing high disease resistance.
On the other hand, the method for preparing the organic-inorganic compound fertilizer with the mesoporous core-shell comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH; adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with corn straw/cow dung fertilizer to form a biological microbial agent which takes corn straw organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form B1 for later use.
Preparing potassium calcium magnesium sulfate slurry, then placing the B1 obtained in the step II into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the B1 to form a fertilizer C1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
Further, in the first step, the microbial agent wrapped by the cellulose hydrogel is fully dispersed on the surface of the organic fertilizer framework and in the honeycomb-shaped gaps.
Further, the biological agent is released into soil after being swelled by water, microorganisms are fallen from the biological organic fertilizer after being swelled to form ordered pore channels, and water enters the biological organic fertilizer through the pore channels to be swelled continuously, so that the microorganisms are released continuously.
The invention has the beneficial effects that: the advantages of the organic fertilizer and the fertilizer are combined, so that the effect of improving soil by the organic fertilizer can be achieved, the utilization rate of nitrogen, phosphorus and potassium can be improved, the high efficiency of the fertilizer can be achieved, and further, the fertilizer, the organic fertilizer and the microbial flora are combined effectively, and three effects are combined;
in addition, the organic-inorganic multi-element fertilizer with honeycomb tube type is prepared from waste resources such as sheep manure, corn straw and the like, and is beneficial to the growth of plants and the improvement of crop yield; all the components are environment-friendly raw materials, and are easy to degrade and absorb; the selected chitosan cellulose hydrogel can protect the stability of microorganisms, is easy to degrade, is beneficial to increasing nitrogen, phosphorus and potassium elements of soil and increasing the nutrition of the soil. According to the different nutritional requirements of plant growth periods, the multi-element fertilizer is designed, the synergistic effect of three components is well exerted, the plant growth is facilitated, and various wastes are adopted as main raw materials, so that the multi-element fertilizer has good social and economic benefits in the aspect of environmental protection.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
An organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from sheep manure and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with corn straw/sheep manure fertilizer to form a biological microbial agent which takes corn straw organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form B1 for later use.
And thirdly, preparing potassium calcium magnesium sulfate slurry, then placing the B1 obtained in the step two into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the B1 to form a fertilizer C1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
After the bio-organic fertilizer obtained in the above example 1 and the common nitrogen-phosphorus-potassium compound fertilizer are prepared into a solution to act on the crop garlic, as shown in fig. 2, the root system and growth vigor of the garlic are observed. Compared with the common nitrogen-phosphorus-potassium compound fertilizer, the biological organic fertilizer obtained in the embodiment 1 has more developed, stronger and luxuriant root system (right in fig. 2), the root system is 1.5 times of that of the common nitrogen-phosphorus-potassium compound fertilizer (left in fig. 2), and the absorption capacity of plants is stronger, so that the biological organic fertilizer obtained in the embodiment 1 can effectively improve the root system of the plants and is beneficial to plant growth.
The growth characteristics of the plants were observed, as shown in fig. 2, and compared with the common nitrogen-phosphorus-potassium compound fertilizer (left of fig. 2), the garlic sprouts of the garlic cultivated by the bio-organic fertilizer obtained in example 1 have longer and more luxuriant growth period (right of fig. 2), and the growth period is one week longer than that of the common nitrogen-phosphorus-potassium compound fertilizer, which indicates that the bio-organic fertilizer obtained in example 1 has longer fertilizer efficiency.
After the bio-organic fertilizer obtained in the above example 1 and the common nitrogen-phosphorus-potassium compound fertilizer are applied to the corn of the crop, as shown in fig. 3, after the bio-organic fertilizer is applied, the soil of the bio-organic fertilizer obtained in the example 1 is loose, the root system of the crop is developed and happy (right in fig. 3), and the root system of the common nitrogen-phosphorus-potassium compound fertilizer is very thin and small (left in fig. 3), the bio-organic fertilizer obtained in the example 1 really improves the soil, increases the fertility and increases the growth of the crop.
After the bio-organic fertilizer obtained in example 1 and the common nitrogen-phosphorus-potassium compound fertilizer are applied to crop cucumbers, as shown in fig. 4, the bio-organic fertilizer obtained in example 1 is loose in soil, the root system of the crop is developed and grows out of the ground (right in fig. 4), the soil using the common nitrogen-phosphorus-potassium compound fertilizer is hardened, the root system is poor (left in fig. 4), and the bio-organic fertilizer obtained in example 1 really improves the soil, increases the fertility and increases the root system growth of the crop.
Example 2
An organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from cow dung and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with corn straw/sheep manure fertilizer to form a biological microbial agent which takes corn straw organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form B1 for later use.
And thirdly, preparing potassium calcium magnesium sulfate slurry, then placing the B1 obtained in the step two into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the B1 to form a fertilizer C1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
After the bio-organic fertilizer obtained in the example 1 and the common nitrogen-phosphorus-potassium compound fertilizer act on the strawberries of crops, as shown in fig. 5, after the bio-organic fertilizer is applied, the crop seedlings are quickly grown, the survival rate is higher, the agricultural loss is reduced (right in fig. 5), the seedlings are grown in 1 day, and the survival rate is 98%; the common NPK compound fertilizer is used for slow seedling growth (left part of figure 5), the seedling growth is carried out for 3-5 days, and the survival rate is only 87%. This example illustrates that the bio-organic fertilizer obtained in example 1 does not burn the seedlings and contributes to the survival of the plants, with a very fast rate of slow speed Miao Sulv.
The long-acting biological slow release fertilizer obtained in the previous step is acted on the initial field experiment, and the biological organic fertilizer obtained in the example 1 and the common nitrogen-phosphorus-potassium compound fertilizer are acted on the strawberries of crops, as shown in figure 6. After application, the period of the strawberry with the bio-organic fertilizer is longer, and under the same conditions, the strawberry with the bio-organic fertilizer is also produced in a large amount (as shown in the right part of fig. 6), while the strawberry with the common nitrogen-phosphorus-potassium compound fertilizer is close to not producing fruits (as shown in the left part of fig. 6). The result period of applying the bio-organic fertilizer obtained in the example 1 is 47 days, and the yield is improved by 20%; the result period of strawberry applying the common NPK compound fertilizer is 32 days, and the yield is lower. The bio-organic fertilizer obtained in example 1 is described as being beneficial to combat senescence and promote plant yield, which is critical for season-changing fruits.
Example 3
An organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from cow dung and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with corn straw/sheep manure fertilizer to form a biological microbial agent which takes corn straw organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form B1 for later use.
And thirdly, preparing potassium calcium magnesium sulfate slurry, then placing the B1 obtained in the step two into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the B1 to form a fertilizer C1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
After the bio-organic fertilizer obtained in the example 1 and the common nitrogen-phosphorus-potassium compound fertilizer are acted on the strawberries of crops, as shown in fig. 7, after the bio-organic fertilizer is applied, the crops grow faster, and plants are bigger, higher and stronger (right in fig. 7) by using the bio-organic fertilizer obtained in the example 1; the use of the common nitrogen-phosphorus-potassium compound fertilizer is slow in growth (left in fig. 7) which is only 0.75 times the height of the crops with the biological organic fertilizer in example 1, which shows that the biological organic fertilizer obtained in example 1 is better in growth vigor and faster in growth.
Example 4
An organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from cow dung and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with corn straw/sheep manure fertilizer to form a biological microbial agent which takes corn straw organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form B1 for later use.
And thirdly, preparing potassium calcium magnesium sulfate slurry, then placing the B1 obtained in the step two into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the B1 to form a fertilizer C1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
The long-acting biological slow release fertilizer is acted on a pot plant through a fertilizing mode of a hole fertilizer (8 a), a ditch fertilizer (8 b) and a water fertilizer (8 c), and after the long-acting biological slow release fertilizer is applied, as shown in fig. 8, the biological slow release fertilizer has high safety, does not burn seedlings, can plant the seedlings on the fertilizer directly, and saves the fertilizer and the cost. Meanwhile, by means of the water and fertilizer integrated fertilization mode, the plant growth effect is better, and the efficient utilization of the biological organic fertilizer is facilitated.
Example 5
An organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from cow dung and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with corn straw/sheep manure fertilizer to form a biological microbial agent which takes corn straw organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form B1 for later use.
And thirdly, preparing potassium calcium magnesium sulfate slurry, then placing the B1 obtained in the step two into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the B1 to form a fertilizer C1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
The effect of certain brands of bio-organic fertilizer, common nitrogen-phosphorus-potassium compound fertilizer, sheep manure, no fertilizer application and bio-organic fertilizer developed in our example 1 on plant yield and quality. After the bio-organic fertilizer obtained in the example 1 and the common nitrogen-phosphorus-potassium compound fertilizer and the bio-organic fertilizer of a certain product are acted on crop cucumbers, 50 cucumbers are respectively selected for comparison experiments. As can be seen from the experimental results shown in Table 1, the total application amount of the bio-organic fertilizer obtained in example 1 is 800 kg/mu, and compared with the conventional fertilizer for planting organic crops, the total application amount of the nitrogen-phosphorus-potassium compound fertilizer and sheep manure is 800 kg/mu+20m 3 The additional fertilizer dosage of the commercial organic fertilizer per mu is 1000 kg/mu. The amount of the common nitrogen, phosphorus and potassium fertilizer and the commercial organic fertilizer of a certain brand are higher than those of the biological organic fertilizer prepared in the embodiment 1.
As can be seen from the above experimental results Table 1, the bio-organic fertilizer obtained in example 1 has a price of 1600 yuan/mu, and compared with the conventional fertilizer for planting organic crops, the total price of nitrogen-phosphorus-potassium compound fertilizer and sheep manure is 3300 yuan/mu, and the additional fertilizer dosage of the commercial organic fertilizer is 2000 yuan/mu. Both the common nitrogen, phosphorus and potassium fertilizers and the commercial organic fertilizers of a certain brand are more expensive than the biological organic fertilizers prepared in the embodiment 1. Compared with the common nitrogen-phosphorus-potassium compound fertilizer, the application of the bio-organic fertilizer can save approximately 1300 yuan per mu of land under the same yield, the application amount of the bio-organic fertilizer researched and developed by people who apply per mu of land is less, the investment is further saved, and the high efficiency of the fertilizer is reflected.
As can be seen from the above experimental results Table 1, the yield of 50 cucumbers in the experiment of the bio-organic fertilizer obtained in example 1 was 47.5kg, which was 46.1% increased compared to the yield of cucumbers without any chemical fertilizer (total yield of 32.5 kg); compared with the traditional fertilizer for planting organic crops, the yield of 50 cucumbers in a nitrogen-phosphorus-potassium compound fertilizer and sheep manure experiment is 43.5kg, and the yield is increased by 33.8% compared with the yield of the cucumbers without applying any chemical fertilizer; the yield of 50 cucumbers tested by the commercial organic fertilizer is 46.5kg, and compared with the yield of the cucumbers without any chemical fertilizer, the yield is increased by 43.1%; both the common nitrogen, phosphorus and potassium fertilizers and the commercial organic fertilizers of a certain brand have lower yield increase than the biological organic fertilizer prepared in the embodiment 1. Meanwhile, the plant quality of the applied bio-organic fertilizer is better, and the content of vitamin C, protein and soluble sugar are improved, so that the yield and quality of the bio-organic fertilizer are truly improved; TABLE 1-1
In conclusion, the organic-inorganic mixed fertilizer is applied to agricultural products, so that the mouthfeel and the nutritive value of the agricultural products are improved, and the organic-inorganic mixed fertilizer is more favored by customers; and can improve soil, increase crop yield and quality, and increase crop disease resistance.
Example 6:
an organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from cow dung and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with bean cake/cow dung fertilizer to form a biological microbial agent which takes bean cake/cow dung fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form D1 for later use.
And thirdly, preparing potassium calcium magnesium sulfate slurry, then placing the D1 obtained in the second step into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the D1 to form a fertilizer E1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
Example 7
An organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from cow dung and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with corn straw/chicken manure fertilizer to form a biological microbial agent which takes bean cakes/cow manure organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form F1 for later use.
And thirdly, preparing potassium calcium magnesium sulfate slurry, then placing F1 obtained in the second step into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the F1 to form fertilizer G1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
Example 8
An organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from cow dung and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with corn straw/pig manure fertilizer to form a biological microbial agent which takes corn straw/pig manure organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form H1 for later use.
Preparing potassium calcium magnesium sulfate slurry, placing the H1 obtained in the step II into the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the H1 to form a fertilizer I1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
Example 9
An organic-inorganic compound fertilizer with a mesoporous core-shell type comprises a core layer and a shell layer, wherein the core layer contains microbial agents, cellulose hydrogel and honeycomb tubular organic waste; the shell layer adopts potassium sulfate calcium magnesium mineral fertilizer; the honeycomb tube type organic waste is prepared from cow dung and corn straw, and specifically comprises the following steps:
step one, wrapping a microbial agent in cellulose hydrogel to form a core:
firstly, placing plant fiber chitosan dissolving pulp into a mixed solution composed of ethanol and water, continuously stirring, and then adding NaOH. Adding sodium acetate after the reaction, and reacting; forming a fiber aqueous solution, and dispersing the solution in a high-speed emulsifying machine; the dispersion was rotary evaporated to a viscous state and was ready for use as A1.
And then blending the microbial agent with the A1, wrapping the microbial agent in cellulose hydrogel, and air-drying to obtain the A2 for later use.
Blending the material A2 obtained in the step one with dining-table waste/sheep manure fertilizer to form a biological microbial agent which takes dining-table waste/sheep manure organic fertilizer as a framework and is packed with cellulose hydrogel: firstly, fermenting organic fertilizer raw materials (animal manure, corn straw and EM bacteria), then feeding the fermented organic fertilizer raw materials into a semi-wet material pulverizer for pulverizing, and sieving the pulverized organic fertilizer raw materials with a 100-200-mesh sieve. Then adding cellulose hydrogel air-dried powder, grinding, sieving, blending, stirring by a stirrer, granulating by a granulating machine, and drying to form J1 for later use.
Preparing potassium calcium magnesium sulfate slurry, placing J1 obtained in the step II in the potassium calcium magnesium sulfate slurry, stirring to uniformly wrap the potassium calcium magnesium sulfate on the outer layer of the J1 to form fertilizer K1 wrapped by the potassium calcium magnesium sulfate on the outer layer, and drying to obtain the long-acting biological slow-release fertilizer.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.