CN112374936A - Rice-duck symbiotic composite microbial fertilizer and preparation method thereof - Google Patents
Rice-duck symbiotic composite microbial fertilizer 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
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
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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
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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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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Abstract
The invention discloses a symbiotic compound microbial fertilizer for rice and ducks, which is mainly prepared from urea, potassium phosphite, ammonium sulfate, potassium chloride, plant meal, potassium fulvate, calcium magnesium phosphate fertilizer, pyroligneous liquor, decomposed microbial inoculum, colletotrichum gloeosporioides, bacillus amyloliquefaciens, insect expelling components, active nano-silicon and duckweed seeds. The preparation method comprises the steps of mixing the plant meal and the decomposed microbial inoculum for composting fermentation, spraying wood vinegar liquid on the surface of compost to obtain an organic fermentation material, crushing the organic fermentation material, and mixing the crushed organic fermentation material with other raw materials to obtain the rice and duck symbiotic composite microbial fertilizer. The nano active silicon is introduced into the rice and duck symbiotic composite microbial fertilizer, the particle size of the nano active silicon is nano-scale, the nano active silicon is easily absorbed by crops, and meanwhile, the nano active silicon can activate plant cells, promote the metabolism of organisms, improve the immunity of the organisms, enhance the growth vigor of the plants, improve the disease resistance, stress resistance and lodging resistance of rice and prevent ducks from damaging the rice.
Description
Technical Field
The invention belongs to the field of agricultural fertilizers, and particularly relates to a symbiotic compound microbial fertilizer for rice and ducks and a preparation method thereof.
Background
The rice and duck symbiosis is a composite ecological system combining natural ecology and human intervention based on a paddy field and characterized by taking rice as a center and wild breeding of domestic ducks, is a planting and breeding combined technical system organically combining the characteristics of the paddy in each growth period, the pest and disease damage occurrence rule, the physiological and life habits of ducks and the growth rule of feed organisms in the paddy field, ducks like eating plants outside the gramineae and floating weeds on the water surface, can reduce the growth of weeds in the paddy field, are favored by insects and aquatic animals to kill a plurality of pests in the paddy field and reduce the dosage of pesticides, and can clear green moss, stimulate tillering of the paddy rice and the like, so that the rice and duck breeding combined ecological system has multiple advantages.
However, the existing rice and duck symbiotic technology is still imperfect, on one hand, during the rice and duck symbiotic process, the ducks are easy to press down rice seedlings, so that loss is caused; on the other hand, the improper use of the chemical fertilizer has certain influence on the environment, or the chemical fertilizer is abused and has low fertility, so that the rice quality is poor.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects and shortcomings in the background technology and provides a symbiotic composite microbial fertilizer for rice and ducks and a preparation method thereof.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a symbiotic composite microbial fertilizer for rice and ducks is mainly prepared from the following raw materials in parts by weight: 220 parts of urea, 150 parts of potassium phosphite, 130 parts of ammonium sulfate, 130 parts of potassium chloride, 180 parts of potassium chloride, 150 parts of plant meal, 160 parts of potassium fulvate, 5-10 parts of calcium magnesium phosphate fertilizer, 5-10 parts of wood vinegar, 1-2 parts of decomposed microbial inoculum, 1-3 parts of Colletotrichum gloeosporioides penz, 3-5 parts of Bacillus amyloliquefaciens, 5-10 parts of insect expelling component, 10-20 parts of active nano silicon and 1-2 parts of lemna seeds.
The composite microbial fertilizer containing a certain amount of bacillus amyloliquefaciens is applied to soil, can degrade toxic substances in the nature and purify polluted soil, and the bacillus amyloliquefaciens is plant growth promoting bacteria and can secrete active substances such as antibacterial protein, antibiotics, enzymes or polypeptides and the like, promote plant growth and prevent and control plant fungal diseases.
Preferably, the plant meal is rapeseed meal, soybean meal and sesame meal.
Preferably, the insect-repellent component of the compound microbial fertilizer is fermented tobacco stems.
Preferably, the decomposed microbial agent is a mixed microbial agent of Bacillus subtilis (Bacillus subtilis), Bacillus licheniformis (Bacillus licheniformis), saccharomycetes (saccharomyces), Aspergillus Niger (Aspergillus Niger), Aspergillus oryzae (Aspergillus oryzae), Trichoderma viride (Trichoderma viride), Rhodospirillum (Rhodospirillum Molisch) and Cellulase (cellulose).
The composite microbial fertilizer is preferably prepared from Bacillus subtilis, Bacillus licheniformis (Bacillus licheniformis), saccharomycete (saccharomyces), Aspergillus niger (saccharomyces), Aspergillus oryzae (Aspergillus oryzae), Trichoderma viride (Trichoderma viride), Rhodospirillum (rhodospirum Molisch) and Cellulase (cellulose) in a mass ratio of 8:2:4:4:4:3:3: 10.
Preferably, the composite microbial fertilizer contains, on a dry basis, more than or equal to 30% of organic matters, more than or equal to 24% of total nutrients and more than or equal to 0.2 hundred million/g of effective viable bacteria.
As a general inventive concept, the present invention also provides a preparation method of the above composite microbial fertilizer, comprising the steps of:
(1) mixing materials: firstly, uniformly mixing bean pulp, sesame pulp and rapeseed meal in a mass ratio of 3:2:1, and spraying water to ensure that the water content of an initial material is 40-45% and the C/N ratio is 25-30;
(2) composting and fermenting: uniformly mixing a decomposed microbial inoculum in the mixed material obtained in the step (1) to prepare a stack-shaped compost with the height of less than or equal to 1.5m for fermentation, spraying wood vinegar liquid on the surface of the compost for fermentation, wherein the fermentation temperature is 55-60 ℃, and the fermentation time is 4-7 days;
(3) aging and decomposing: transferring the fermented material in the step (2) to an aging area, continuously turning, ventilating, cooling to normal temperature, decomposing for 3-5 days, and conveying to a production workshop for production;
(4) production: and (3) crushing and drying the completely decomposed organic fermentation product obtained in the step (3), adding urea, potassium phosphite, ammonium sulfate, potassium chloride, calcium magnesium phosphate fertilizer, bacillus amyloliquefaciens, fermented tobacco stems, colletotrichum gloeosporioides, active nano-silicon and duckweed seeds, stirring and mixing uniformly, and spraying potassium fulvate to obtain the rice and duck symbiotic composite microbial fertilizer.
In the preparation method, preferably, in the step (2), the compost is turned and thrown once every 24 hours in the fermentation process, and oxygen is continuously supplied to the compost in the fermentation tank by using a ventilation system during the fermentation.
In the preparation method, preferably, gas generated in the composting fermentation and aging decomposition processes is collected by an air draft device, oxidized and washed by alkali, and then introduced into a biological washing tank for harmless treatment.
Compared with the prior art, the invention has the advantages that:
(1) the nano active silicon is introduced into the rice and duck symbiotic composite microbial fertilizer, the particle size of the nano active silicon is nano-scale, the nano active silicon is easily absorbed by crops, and meanwhile, the nano active silicon can activate plant cells, promote the metabolism of organisms, improve the immunity of the organisms, enhance the growth vigor of the plants, improve the disease resistance, stress resistance and lodging resistance of rice and prevent ducks from damaging the rice. The rice absorbs oxygen attached by the nano-silicon through the root system, and the oxygen enters the roots, stems and leaves of the plants to promote the growth of plant cells. Moreover, the nano silicon enables beneficial microorganisms in the soil to propagate in a large quantity, promotes the ecological cycle of the soil, and can effectively adsorb the heavy metal after precipitation, thereby achieving the effect of improving the soil; through the reproduction of microorganisms, the fertilizer has the neutralization effect on alkaline and acid soil, thereby achieving the purposes of balancing the pH value of the soil and losing weight and reducing drug consumption.
(2) According to the invention, potassium phosphite is introduced into the rice and duck symbiotic composite microbial fertilizer, so that phosphorus and potassium elements can be supplemented quickly and efficiently, and the quality and yield of rice are improved; the potassium phosphite can release elements such as calcium, zinc, iron and the like fixed in soil, precipitate heavy metals, promote the healthy development of crop roots, regulate the growth effect of crops, control tips and vigorous growth in the growth period of the crops, and has the capabilities of sterilizing and stimulating the disease resistance of the crops.
(3) According to the invention, the duckweed seeds are added into the rice and duck symbiotic composite microbial fertilizer, so that rice, duck and duckweed can be co-cultivated, the duckweed can be used as a fertilizer for rice and a feed for ducks, the yield of duck manure can be obviously increased, and the fertility of a rice field is improved.
(4) In the preparation process of the rice and duck symbiotic composite microbial fertilizer, various microbial agents contained in the added decomposing microbial agents are not antagonistic to each other, and can generate synergistic effect with each other in the fermentation process, so that the growth of strains and the generation of metabolites are promoted, the decomposition of fermentation raw materials is accelerated, the fermentation period is shortened, and the high temperature generated in the fermentation process can kill harmful bacteria and eggs in the compost, and the rhodospirillum, bacillus subtilis and aspergillus oryzae in the decomposing microbial agent can fix nitrogen, degrade nitrite, hydrogen sulfide, heavy metals and other harmful substances, and can reduce NH in the fermentation process by matching with pyroligneous liquor3、H2The generation of odor such as S and the like improves the organic matter content and reduces the loss of nitrogen.
Detailed Description
In order to facilitate an understanding of the present invention, the present invention will be described more fully and in detail with reference to the preferred embodiments, but the scope of the present invention is not limited to the specific embodiments below.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
Example 1:
the invention relates to a symbiotic composite microbial fertilizer for rice and ducks, which is prepared from the following raw materials in parts by weight: 200 parts of urea, 135 parts of potassium phosphite, 125 parts of ammonium sulfate, 160 parts of potassium chloride, 150 parts of plant meal, 30 parts of potassium fulvate, 5 parts of calcium magnesium phosphate fertilizer, 5 parts of pyroligneous liquor, 2 parts of decomposed microbial inoculum, 3 parts of colletotrichum gloeosporioides, 3 parts of bacillus amyloliquefaciens, 5 parts of fermented tobacco stems, 20 parts of active nano silicon and 2 parts of duckweed seeds.
The preparation method of the symbiotic composite microbial fertilizer for rice and ducks comprises the following steps:
(1) mixing materials: uniformly mixing 150 parts of plant meal (the mass ratio of the bean meal to the sesame meal to the rapeseed meal is 3:2:1), and spraying water to ensure that the water content of an initial material is 40-45% and the C/N ratio is 25-30;
(2) composting and fermenting: weighing a decomposed microbial inoculum (prepared by mixing bacillus subtilis, bacillus licheniformis, saccharomycetes, aspergillus niger, aspergillus oryzae, trichoderma viride, rhodospirillum and cellulase according to the proportion of 8:2:4:4: 3:3: 10), uniformly mixing the decomposed microbial inoculum in the mixed material obtained in the step (1), preparing into stack-shaped compost with the strip height of less than or equal to 1.5m for fermentation, spraying wood vinegar liquid on the surface of the compost, fermenting for 5 days, wherein the fermentation temperature is 55-60 ℃, the compost in a fermentation tank is turned and thrown once every 24 hours, and during the fermentation, a ventilation system is used for continuously conveying oxygen to the compost in the fermentation tank so as to adjust the temperature and the oxygen content;
(3) aging and decomposing: transferring the fermented material in the step (2) to an aging area, continuously turning, ventilating, cooling to normal temperature, decomposing for 3 days, and conveying to a production workshop for production; collecting gas generated in the composting fermentation and aging decomposition processes by using an air draft device, oxidizing, washing with alkali, and then introducing into a biological washing tank for harmless treatment;
(4) production: and (3) crushing and drying the completely decomposed organic materials obtained in the step (3), adding urea, potassium phosphite, ammonium sulfate, potassium chloride, calcium magnesium phosphate fertilizer, bacillus amyloliquefaciens, fermented tobacco stems, colletotrichum gloeosporioides, active nano-silicon and duckweed seeds, and uniformly stirring to obtain the rice and duck symbiotic composite microbial fertilizer.
The symbiotic composite microbial fertilizer for rice and ducks prepared by the embodiment has the advantages that the organic matter is more than or equal to 30 percent, the total nutrient is more than or equal to 24 percent, and the number of effective viable bacteria is not less than 0.2 hundred million/g on a dry basis.
The rice and duck symbiotic composite microbial fertilizer prepared in the embodiment is tested and verified:
test site:
the test site was located in 23 groups of Xiaohong contracted fields under the Leishui City jar and the rural jar, Dong Jing: 112 ° 7130 ", 26 ° 5170" north latitude, 55M sea level. The terrain is flat, the field is square and regular, and the irrigation and drainage are convenient.
Test soil: the soil to be tested is retention type rice soil, and the soil belongs to lime-yellow mud and soil seed lime-yellow mud.
Test crops and varieties: the test variety is a local main-cultivated hybrid variety Y Liangyou 9918, and the target yield is 600 Kg/mu.
Fertilizer to be tested: the compound microbial fertilizer special for duck and rice symbiosis, 48% of rice formula fertilizer (19-17-12), 45% of chlorine-based compound fertilizer (15: 15: 15), urea: containing N46%, calcium superphosphate: 20% of phosphorus content and potassium fertilizer: the potassium content is 60%.
Test protocol: the experiment was set up with 3 treatments.
Treatment 1: duck and rice symbiotic composite microbial fertilizer test area: a special compound microbial fertilizer for duck and rice symbiosis;
and (3) treatment 2: the special formula fertilization area comprises: 48 percent of rice formula fertilizer (19-17-12);
and (3) treatment: the farmer habit fertilization area: 45% of chlorine-based compound fertilizer (15-15-15), urea, calcium superphosphate and potassium chloride.
Without repetition, the area of each of the three cells is 100m2And forming mud ridges among the treatments and pricking the mud ridges with films for 20cm for isolation so as to prevent water and fertilizer from mixing. Each district is marked firmly, and the test field is unified into eight kinds, namely: uniformly ploughing, sowing in a uniform time, fertilizing in a uniform time, uniformly managing, transplanting in a uniform time, uniformly preventing and treating plant diseases and insect pests, harvesting in a uniform time, singly harvesting and drying in the sun, sampling in a uniform time, measuring yield and respectively testing seeds. That is to say, the fertilizer varieties are different, the fertilizer consumption is reduced and other fertilizers are usedAre consistent.
After transplanting the living roots in the seedlings, putting the ducklings which are hatched for about 7 days into the rice field 24 hours a day, and stocking 30 ducklings per mu until the rice shoots and drives the ducks to land.
Test results and analysis:
actual yield: three plots were weighed for single harvest and the results are shown in table 1 (dry rice content 14% for one season).
TABLE 1 comparison of the yields in the various test zones
As can be seen from the table 1, the yield of the duck rice fertilizer area is the highest, the formula fertilizer is the second time, the fertilizer yield of farmers is the lowest, the duck rice fertilizer increases 58kg compared with the conventional fertilizer area, the yield increase amplitude is 10.7%, the duck rice fertilizer increases 26kg compared with the formula fertilizer area, and the yield increase is 4.8%.
TABLE 2 comparison of the lodging resistance of the respective test zones
| Name of cell | Fixed-point root number sampling | Average stem circumference (mm) | Average number of individual tiller |
| Duck rice fertilizer area | 20 stump | 28.2 | 31 |
| Formulated fertilizer area | 20 stump | 26.8 | 26 |
| Habitual fertilization area | 20 stump | 26.1 | 22 |
As can be seen from table 2, the average stem circumference of the duck rice fertilization area is the largest, the effective tiller number is the largest, the average stem circumference of the rice in the farmer habit fertilization area is the smallest, the effective tiller number is the smallest, the duck rice fertilization area has no rice lodging phenomenon, and the formula fertilization area and the habit fertilization area have a small amount of rice lodging phenomenon. Experiments prove that the lodging resistance of the duck rice fertilizer is obviously improved compared with the formulated fertilizer and the habitual fertilizer.
TABLE 3 comparison of the heavy Metal content of the soil in the respective test areas
As can be seen from the table 3, tests show that the compound microbial fertilizer special for duck and rice symbiosis has obvious effects of reducing the heavy metal content of soil and improving the soil structure by using the conditions that the contents of various indexes of the heavy metal in the soil in the duck and rice fertilization area are the lowest, the formula is inferior, and the content of the heavy metal in the farmer habit fertilization is the highest.
After the seedlings are planted with the live roots, ducks are placed in the paddy field until the rice is heading, and the vigorous omnivorous nature of the ducks is utilized to eat weeds and pests in the paddy field; the continuous pedaling and walking activities of ducks in the rice field are utilized to stimulate the tillering growth of rice and generate the effect of intertillage muddy water, and excrement of the ducks can also be used as organic fertilizer in the rice field. The duck is used for rice deinsectization, weeding, fertilization, intertillage and stimulated growth, a good environment of symbiosis between rice, ducks and animals and plants is created, experiments prove that the weed control effect of the duck on weeds in a rice field reaches over 90 percent and is improved by over 40 percent compared with that of the conventional rice, the rice field provides working, living and resting places for the duck, the duck and the conventional rice are mutually dependent, mutually interact and mutually complement, organic fertilizers and pesticides are reduced or not used, the production cost of the rice is reduced, and the purpose of producing safe and high-quality rice without pollution and pesticide residues can be achieved.
Moreover, the invention adds the fern crop duckweed on the basis of the rice and duck symbiotic technology, thereby not only increasing the organic fertilizer source, but also increasing the food source of the ducks, relieving the contradiction of insufficient field food, saving the amount of the artificially fed feed and ensuring that the ducks in the duckweed field grow faster. Duckweed is a plant of the genus aquatic fern, which is duckweed grown in paddy fields, canals or still water ponds. The herba Spirodelae has extremely high nitrogen fixing ability, can be compared with Rhizobium of Leguminosae, and can be 1hm a day according to different conditions2The fertilizer can fix nitrogen by 3-5 kg, has a potassium-rich function, and can meet the requirement of 70% of nitrogen and potassium nutrients of rice by putting duckweed into a rice field. Besides, the duckweed also has remarkable fertility, can be multiplied by 100-200 times in 1 month under appropriate conditions, is an aquatic plant, is tightly covered on the water surface, can block sunlight from penetrating, has the function of inhibiting the germination of paddy field weeds, and achieves the weeding effect.
Claims (9)
1. The symbiotic compound microbial fertilizer for rice and ducks is characterized by being prepared from the following raw materials in parts by weight: 220 parts of urea, 150 parts of potassium phosphite, 130 parts of ammonium sulfate, 130 parts of potassium chloride, 180 parts of potassium chloride, 150 parts of plant meal, 160 parts of potassium fulvate, 5-10 parts of calcium magnesium phosphate fertilizer, 5-10 parts of wood vinegar, 1-2 parts of decomposed microbial inoculum, 1-3 parts of Colletotrichum gloeosporioides penz, 3-5 parts of Bacillus amyloliquefaciens, 5-10 parts of insect expelling component, 10-20 parts of active nano silicon and 1-2 parts of lemna seeds.
2. The compound microbial fertilizer according to claim 1, wherein the plant meal is rapeseed meal, soybean meal, and sesame meal.
3. The compound microbial fertilizer of claim 1, wherein the insect repellent ingredient is fermented tobacco stems.
4. The compound microbial fertilizer according to any one of claims 1-3, wherein the decomposing inoculant is a mixed inoculant of Bacillus subtilis (Bacillus subtilis), Bacillus licheniformis (Bacillus licheniformis), Saccharomyces (Saccharomyces), Aspergillus Niger (Aspergillus Niger), Aspergillus oryzae (Aspergillus oryzae), Trichoderma viride (Trichoderma viride), Rhodospirillum (Rhodospirillum Molisch) and Cellulase (Cellulase).
5. The compound microbial fertilizer according to claim 4, wherein the mass ratio of Bacillus subtilis (Bacillus subtilis), Bacillus licheniformis (Bacillus licheniformis), Saccharomyces cerevisiae (Saccharomyces), Aspergillus Niger (Aspergillus Niger), Aspergillus oryzae (Aspergillus oryzae), Trichoderma viride (Trichoderma viride), Rhodospirillum (Rhodospirillum Molisch) and Cellulase (Cellulase) is 8:2:4:4:4:3:3: 10.
6. The compound microbial fertilizer as claimed in any one of claims 1 to 3, wherein the compound microbial fertilizer has an organic matter content of not less than 30%, a total nutrient content of not less than 24% and an effective viable count of not less than 0.2 hundred million/g on a dry basis.
7. A method for preparing a composite microbial fertilizer as claimed in any one of claims 1 to 6, comprising the steps of:
(1) mixing materials: uniformly mixing bean pulp, sesame pulp and rapeseed pulp in a mass ratio of 3:2:1, and spraying water to ensure that the water content of an initial material is 40-45% and the C/N ratio is 25-30;
(2) composting and fermenting: uniformly mixing a decomposed microbial inoculum in the mixed material obtained in the step (1) to prepare a stack-shaped compost with the height of less than or equal to 1.5m for fermentation, spraying wood vinegar liquid on the surface of the compost for fermentation, wherein the fermentation temperature is 55-60 ℃, and the fermentation time is 4-7 days;
(3) aging and decomposing: transferring the fermented material in the step (2) to an aging area, continuously turning, ventilating, cooling to normal temperature, decomposing for 3-5 days, and conveying to a production workshop for production;
(4) production: and (3) crushing and drying the completely decomposed organic fermentation material obtained in the step (3), adding urea, potassium phosphite, ammonium sulfate, potassium chloride, calcium magnesium phosphate fertilizer, bacillus amyloliquefaciens, fermented tobacco stems, colletotrichum gloeosporioides, active nano-silicon and duckweed seeds, stirring and mixing uniformly, and spraying potassium fulvate to obtain the rice and duck symbiotic composite microbial fertilizer.
8. The method according to claim 7, wherein in the step (2), the compost is turned over every 24 hours during the fermentation, and oxygen is continuously supplied to the compost in the fermentation tank by a ventilation system during the fermentation.
9. The method for preparing the organic fertilizer as claimed in claim 7, wherein the gases generated during the fermentation, aging and decomposition of the compost are collected by an air draft device, oxidized, washed with alkali and then introduced into a biological washing tank for harmless treatment.
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| JP7219360B1 (en) | 2022-02-21 | 2023-02-07 | 晃栄化学工業株式会社 | Paddy rice fertilizer and paddy rice cultivation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7219360B1 (en) | 2022-02-21 | 2023-02-07 | 晃栄化学工業株式会社 | Paddy rice fertilizer and paddy rice cultivation method |
| JP2023121423A (en) * | 2022-02-21 | 2023-08-31 | 晃栄化学工業株式会社 | Fertilizer for paddy rice and paddy rice cultivation method |
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