CN111943755A - Special tobacco fertilizer for promoting early growth and fast growth of tobacco seedlings and preventing and treating underground pests - Google Patents
Special tobacco fertilizer for promoting early growth and fast growth of tobacco seedlings and preventing and treating underground pests Download PDFInfo
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- CN111943755A CN111943755A CN202010836428.5A CN202010836428A CN111943755A CN 111943755 A CN111943755 A CN 111943755A CN 202010836428 A CN202010836428 A CN 202010836428A CN 111943755 A CN111943755 A CN 111943755A
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/38—Solanaceae [Potato family], e.g. nightshade, tomato, tobacco or chilli pepper
- A01N65/385—Tobacco
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/04—Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Natural Medicines & Medicinal Plants (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses a tobacco special fertilizer for promoting early growth and fast growth of tobacco seedlings and preventing and controlling underground pests, which belongs to the technical field of tobacco pest control and fertilizer production, and comprises the following components in part by weight: 26-30 parts of castor bean cake fertilizer, 3-6 parts of compound plant fermentation product with insecticidal activity, 18-22 parts of nitrogen fertilizer, 13-20 parts of phosphate fertilizer, 16-22 parts of potash fertilizer, 2-3 parts of organic silicon phosphate fertilizer, 1-2 parts of polyaspartic acid, 0.5-2.5 parts of medium trace elements and 0.5-1 part of agricultural algin. The special fertilizer is prepared by the processes of crushing, mixing and the like of the raw materials. The product has comprehensive nutrients, can promote the early growth and the quick growth of tobacco seedlings, has better control effect on tobacco soil insects, can reduce the application of chemical pesticides and chemical fertilizers after application, and has the effects of protecting soil and improving the yield and the quality of tobacco leaves.
Description
Technical Field
The invention belongs to the technical field of pest control and fertilizer production of tobacco, and particularly relates to a special fertilizer for tobacco, which is used for promoting early growth and fast growth of tobacco seedlings and controlling underground pests.
Background
As an important economic crop in China, tobacco is not easy to cultivate and manage: the tobacco is easy to be damaged by underground pests after being transplanted, so that the tobacco seedlings are replanted for many times, and the growth and development of the tobacco seedlings are delayed; in summer high-temperature and high-humidity weather in the later growth period of the tobacco, favorable conditions are created for the occurrence of rootstock diseases, so that the yield of the tobacco is reduced and the quality of the tobacco leaves is reduced. Therefore, it is necessary to effectively control the soil insects in the early stage of tobacco seedling growth, and take certain measures to promote the early growth and fast growth of tobacco seedlings, i.e. effectively promote the early growth and development and quality formation of tobacco, so that tobacco plants can grow quickly, and the accumulation of dry matters in tobacco leaves is increased, thereby improving the yield and quality of the tobacco leaves.
In the past, chemical agents are used for preventing and controlling tobacco soil insects, and the environmental sanitation and the human health are seriously threatened due to the use of a large amount of chemical pesticides. Various countries in the world research and utilize plant pesticides to inhibit bacteria and kill insects, so that the plant components with insecticidal activity are used for inhibiting bacteria and killing insects, and adverse effects of using chemical pesticides on the environment can be reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a special tobacco fertilizer for promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling underground pests. The invention also aims to provide a preparation method of the special fertilizer for tobacco, which is used for promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling soil insects.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a special tobacco fertilizer for promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling underground pests comprises: 26-30 parts of castor bean cake fertilizer, 3-6 parts of compound plant fermentation product with insecticidal activity, 18-22 parts of nitrogen fertilizer, 13-20 parts of phosphate fertilizer, 16-22 parts of potash fertilizer, 2-3 parts of organic silicon phosphate fertilizer, 1-2 parts of polyaspartic acid, 0.5-2.5 parts of medium trace elements and 0.5-1 part of agricultural algin;
in the fertilizer special for tobacco for promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling underground pests, the castor bean cake fertilizer is the castor bean cake fertilizer which is decomposed by EM (effective microorganisms) fermentation for 25-30 days.
In the fertilizer special for tobacco for promoting the early growth and the rapid emergence of tobacco seedlings and preventing and treating underground pests, the compound plant fermentation product with insecticidal activity is prepared by fermenting high-efficiency and quick-acting compound microbial inoculum produced by Shandong LvLong biotechnology Limited company by Photinia fraseri branches and leaves, chrysanthemum residues and tobacco stem residues according to the proportion of 1: 1-2: 1-3 for 10-15 days.
In the special tobacco fertilizer for promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling underground pests, the nitrogen fertilizer is any one of ammonium nitrate, nitric phosphate and ammonium nitrate phosphate;
in the fertilizer special for tobacco for promoting the early growth and the quick growth of tobacco seedlings and preventing and treating underground pests, the phosphate fertilizer is any one of monoammonium phosphate, calcium magnesium phosphate or triple superphosphate; the potash fertilizer is potassium sulfate or potassium nitrate;
in the special tobacco fertilizer for promoting the early growth and the quick growth of tobacco seedlings and preventing and treating soil insects, the medium and trace elements comprise magnesium sulfate, zinc sulfate, borax and ammonium molybdate.
In the special tobacco fertilizer for promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling underground pests, the medium and trace elements comprise: 0.3-2 parts of magnesium sulfate, 0.15-0.2 part of zinc sulfate, 0.04-0.25 part of borax and 0.01-0.05 part of ammonium molybdate.
The method for preparing the special tobacco fertilizer for promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling soil insects comprises the following steps:
(1) fermenting the castor seed cake with EM (effective microorganisms) strains for 25-30 days to prepare fermented castor seed cake fertilizer;
(2) fermenting branches and leaves of Photinia fraseri, flos Chrysanthemi residue and tobacco stem residue at a ratio of 1: 1-2: 1-3 with high-efficiency and quick-acting composite microbial agent produced by Shandong green ridge biotechnology Co Ltd for 10-15 days to obtain compound plant fermented product with insecticidal activity;
(3) the castor bean cake fertilizer after fermentation, compound plant fermentation product with insecticidal activity, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, organic silicon phosphate fertilizer, polyaspartic acid, medium trace elements and agricultural algin are stirred and mixed evenly by adopting a blending process according to the weight parts to obtain the castor bean cake fertilizer.
Compared with the prior art, the invention has the beneficial effects that:
(1) the special fertilizer for tobacco provided by the invention is added with major elements and medium trace elements required by the growth of tobacco, has rich nutrient elements and balanced proportion, has double functions of promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling underground pests, can obviously promote the early growth and the quick growth of tobacco plants and reduce the seedling supplementing rate caused by the underground pests, improves the quality of the tobacco seedlings, enables the tobacco plants to grow quickly, increases the accumulation of dry matters of tobacco leaves, and thus improves the yield and the quality of the tobacco leaves;
(2) the invention scientifically matches medium and trace nutrient elements, and the use of polyaspartic acid and agricultural algin can obviously improve the quality of tobacco leaves;
(3) the invention adds the compound plant leavening with insecticidal activity, can effectively prevent and control underground pests, reduce the harm of the tobacco underground pests and reduce the adverse effect of using chemical pesticides on the environment.
Detailed Description
The invention is further described with reference to specific examples.
Materials: organic fertilizer zymogens (strong type) produced by Shandong LvLong biotechnology Limited have quick and high-temperature effect and short fermentation period; bacteriostasis, killing pests, decomposing and deodorizing; nutrients are enriched to prevent loss; the cost is reduced, the efficiency is improved, and the like. The product is compounded by eleven strains of bacteria, filamentous fungi, saccharomycetes and the like capable of strongly grading the livestock and poultry manure and related enzymes, and has high effective viable count and extremely strong capability of decomposing protein and crude fiber by aerobic fermentation.
Example 1
A fertilizer special for tobacco for promoting the early growth and fast growth of tobacco seedlings and preventing and treating soil insects is prepared by fermenting castor seed cake with EM (effective microorganisms) for 25 days to obtain fermented castor seed cake; fermenting branches and leaves of Photinia fraseri, residues of flos Chrysanthemi and tobacco stem residue at a ratio of 1: 1 with high-efficiency and quick-acting composite microbial agent produced by Shandong LvLong biotechnology Limited for 10 days to obtain compound plant fermented product with insecticidal activity; the weight portions are as follows: 26 parts of fermented castor seed cake, 3 parts of compound plant fermentation product with insecticidal activity, 2 parts of organic silicon phosphate fertilizer, 18 parts of ammonium nitrate, 13 parts of monoammonium phosphate, 16 parts of potassium sulfate, 1 part of polyaspartic acid, 1 part of magnesium sulfate, 0.15 part of zinc sulfate, 0.04 part of borax, 0.01 part of ammonium molybdate and 0.5 part of agricultural algin. Through a mixing process of the organic-inorganic compound fertilizer, after uniformly mixing, obtaining a finished product after being qualified according to NY 884-2012, wherein the mu dosage is 100-125 kg and the finished product is used as a base fertilizer.
Example 2
A fertilizer special for tobacco for promoting the early growth and fast growth of tobacco seedlings and preventing and treating soil insects is prepared by fermenting castor seed cake with EM (effective microorganisms) for 28 days to obtain fermented castor seed cake; fermenting the branches and leaves of the photinia fraseri, the chrysanthemum residue and the tobacco stem residue in a ratio of 1: 2 for 13 days by using a high-efficiency and quick-acting composite microbial agent produced by Shandong GronLong Biotech limited to prepare a compound plant fermented product with insecticidal activity; the weight portions are as follows: 28 parts of fermented castor seed cake, 5 parts of compound plant fermentation product with insecticidal activity, 3 parts of organic silicon phosphate fertilizer, 20 parts of ammonium nitrate phosphate fertilizer, 16 parts of calcium magnesium phosphate fertilizer, 18 parts of potassium sulfate, 1.5 parts of polyaspartic acid, 0.3 part of magnesium sulfate, 0.2 part of zinc sulfate, 0.15 part of borax, 0.03 part of ammonium molybdate and 0.8 part of agricultural algin. Through a mixing process of the organic-inorganic compound fertilizer, after uniformly mixing, obtaining a finished product after being qualified according to NY 884-2012, wherein the mu dosage is 100-125 kg and the finished product is used as a base fertilizer.
Example 3
A fertilizer special for tobacco for promoting the early growth and fast growth of tobacco seedlings and preventing and treating soil insects is prepared by fermenting castor seed cake with EM (effective microorganisms) for 30 days to obtain fermented castor seed cake; fermenting the branches and leaves of the photinia fraseri, the chrysanthemum residue and the tobacco stem residue in a ratio of 1: 2: 3 by using a high-efficiency and quick-acting composite microbial agent produced by Shandong green Long biotechnology Limited for 15 days to prepare a compound plant fermentation product with insecticidal activity; the weight portions are as follows: 30 parts of fermented castor seed cake, 6 parts of compound plant leavening with insecticidal activity, 3 parts of organic silicon phosphate fertilizer, 22 parts of nitric phosphate fertilizer, 20 parts of triple superphosphate, 22 parts of potassium nitrate, 2 parts of polyaspartic acid, 2 parts of magnesium sulfate, 0.2 part of zinc sulfate, 0.25 part of borax, 0.05 part of ammonium molybdate and 1 part of agricultural algin. Through a mixing process of the organic-inorganic compound fertilizer, after uniformly mixing, obtaining a finished product after being qualified according to NY 884-2012, wherein the mu dosage is 100-125 kg and the finished product is used as a base fertilizer.
Example 4
A comparative fertilizer was prepared in a manner similar to that of example 3, without adding fermented castor seed cake.
Example 5
A comparative fertilizer was prepared in a manner similar to that described in example 3, except that no insecticidal compound plant fermentation product was added.
Example 6
A comparative fertilizer was prepared in a manner similar to that described in example 3, except that no organosilicon phosphate fertilizer was added.
Example 7
A comparative fertilizer was prepared by adding fermented castor seed cake, compound plant fermentation product with insecticidal activity and organic silicon phosphate fertilizer, as compared with example 3.
Example 8
And (3) field test:
the test field is arranged in a Toyowa-east village along a wave and country in Yongfeng county in Jian city, and the time is 2-11 months in 2018. The tested soil is a sesame and sand mud field, and the basic physicochemical properties are as follows: 20.37g/kg of organic matter, 48.29mg/kg of alkaline hydrolysis nitrogen, 19.46mg/kg of available phosphorus, 79.15mg/kg of quick-acting potassium and 6.21 of pH value; the tobacco variety is Yunyan 87. The previous crop is rice, the biofertilizers prepared in examples 1-7 are applied to the rice in 2018 and 2 months in a furrow application mode to be used as test treatment, the biofertilizers are applied to each mu according to 125kg, a control group fertilization (CK) mode is the same as that of a test group, and the applied biofertilizers are 60kg of a tobacco special compound fertilizer and 50kg of an organic fertilizer (the ratio of the tobacco special compound fertilizer is 10-8-20, a manufacturer is Yunnan Spanish leaf fertilizer, Inc., the organic fertilizer is fermented castor bean cake fertilizer, and the manufacturer is Yunnan Spanish leaf fertilizer, Inc).
The test is repeated for 3 times, the block is randomly designed, the block is arranged along the soil fertility gradient direction, 60 plants are planted in each cell, the block is set as a 3-row block, 20 plants are planted in each row, the cultivation specification is 1.2m multiplied by 0.5m, the tobacco leaves in each cell are collected singly, are put on a kang by weaving rods independently, are treated separately after being baked, and are weighed and recorded.
And (3) preparing soil and fertilizing the test group and the control group in the above way after 2 months and 15 days, transplanting after 3 months and 1 day, wherein the row spacing is 1.2m multiplied by 0.5m, performing test design when soil preparation and fertilization are performed, setting treatment every three rows, and making block groups and cell furrows. Other cultivation management is the same, such as: watering is carried out after the tobacco seedlings are transplanted, watering is carried out from one end of each tobacco ridge along the opened ditch with a water faucet, the watering amount is 8kg/m, when water is watered to the other end of each tobacco ridge, the watering is stopped, and other ditches are watered; and weeding is carried out regularly according to actual conditions (the growth conditions of the plots are different, so that the weeding time of the plots is not uniform, and the specific time cannot be recorded), and the tobacco seedlings need to be protected during weeding. In the stem-growing period of 4 months and 6 days, in the vigorous growing period of 4 months and 24 days, in the mature period of 5 months and 30 days, in 4 months and 5 days, the plant height, the leaf number, the leaf length, the leaf width and the seedling supplementing rate (the seedling supplementing rate is the number of the supplemented seedlings/the total number of the seedlings multiplied by 100%) of the tobacco during growth and development are investigated, the tobacco is respectively picked and baked in 6 months and 4 days, 6 months and 21 days, 7 months and 6 days, and the tobacco is picked and baked separately in small areas, and the tobacco is respectively weighed and recorded according to the treatment after grading, and the yield of each level is calculated.
The test results are as follows:
1. the different embodiments have the effects of promoting the growth and development of tobacco and reducing the rate of seedling filling
As can be seen from Table 1, the average plant height, average leaf number, average leaf length and average leaf width of the fertilizers of the experimental examples 1-3 are all higher than those of the conventional fertilization (CK) and the comparative fertilizers of the examples 4-7, while the seedling supplementing rate of the compound plant fermentation product with insecticidal activity is obviously lower than those of the conventional fertilization (CK) and the rest of the comparative fertilizers, and meanwhile, the plant height, leaf number, leaf length and leaf width of the tobacco plant are also obviously better than those of the conventional fertilization (CK) and the examples 4-7, which shows that the fertilizers of the examples 1-3 have better effects of preventing and treating plant diseases and insect pests and promoting the early growth and fast growth of the tobacco seedlings after being applied.
TABLE 1 Effect of biofertilizers of various examples on promotion of tobacco growth and development and reduction of seedling rate
2. Influence of different embodiments on economic traits of flue-cured tobacco
According to GB2635-1992, the primary flue-cured tobacco leaves are graded and counted, and as shown in the results of economic properties of flue-cured tobacco in Table 2, compared with conventional fertilization (CK) and comparative fertilizers using examples 4-7, the fertilizers applied in experimental examples 1-3 have obvious effects of increasing yield and value of tobacco, and the proportion of upper and middle tobacco is obviously improved.
TABLE 2 Effect of biofertilizers of different examples on economic traits of flue-cured tobacco
The present invention has been described in terms of the above embodiments, and it should be understood that the above embodiments are not intended to limit the present invention in any way, and all technical solutions obtained by using equivalents or equivalent changes fall within the protection scope of the present invention.
Claims (8)
1. A special tobacco fertilizer for promoting the early growth and the quick growth of tobacco seedlings and preventing and controlling underground pests is characterized by comprising the following components: 26-30 parts of castor bean cake fertilizer, 3-6 parts of compound plant fermentation product with insecticidal activity, 18-22 parts of nitrogen fertilizer, 13-20 parts of phosphate fertilizer, 16-22 parts of potash fertilizer, 2-3 parts of organic silicon phosphate fertilizer, 1-2 parts of polyaspartic acid, 0.5-2.5 parts of medium trace elements and 0.5-1 part of agricultural algin.
2. The fertilizer special for tobacco for promoting the early growth and the quick growth of tobacco seedlings and controlling underground pests according to claim 1, wherein the castor bean cake fertilizer is a castor bean cake fertilizer which is decomposed by EM (effective microorganisms) for 25-30 days.
3. The fertilizer special for tobacco for promoting the early growth and fast growth of tobacco seedlings and controlling underground pests as claimed in claim 1, wherein the compound plant fermentation product with insecticidal activity is prepared by fermenting the high-efficiency and quick-acting compound microbial inoculum produced by Shandong LvLong biotechnology Limited with the Photinia fraseri branches and leaves, the chrysanthemum residue and the tobacco stem residue according to the ratio of 1: 1-2: 1-3 for 10-15 days.
4. The fertilizer special for tobacco for promoting the early growth and the quick growth of tobacco seedlings and controlling soil insects as claimed in claim 1, wherein the nitrogen fertilizer is any one of ammonium nitrate, nitric phosphate fertilizer or ammonium nitrate phosphate fertilizer.
5. The fertilizer special for tobacco for promoting the early growth and the fast growth of tobacco seedlings and controlling soil insects as claimed in claim 1, wherein the phosphate fertilizer is any one of monoammonium phosphate, calcium magnesium phosphate or triple superphosphate.
6. The fertilizer special for tobacco for promoting the early growth and the fast growth of tobacco seedlings and controlling soil insects as claimed in claim 1, wherein the medium trace elements comprise magnesium sulfate, zinc sulfate, borax and ammonium molybdate.
7. The fertilizer special for tobacco for promoting the early growth and the fast growth of tobacco seedlings and controlling soil insects as claimed in claim 6, wherein the medium trace elements comprise: 0.3-2 parts of magnesium sulfate, 0.15-0.2 part of zinc sulfate, 0.04-0.25 part of borax and 0.01-0.05 part of ammonium molybdate.
8. The method for preparing the fertilizer special for tobacco for promoting the early growth and the fast growth of tobacco seedlings and controlling soil insects as claimed in any one of claims 1 to 7, is characterized by comprising the following steps:
(1) fermenting the castor seed cake with EM (effective microorganisms) strains for 25-30 days to prepare fermented castor seed cake fertilizer;
(2) fermenting branches and leaves of Photinia fraseri, flos Chrysanthemi residue and tobacco stem residue at a ratio of 1: 1-2: 1-3 with high-efficiency and quick-acting composite microbial agent produced by Shandong green ridge biotechnology Co Ltd for 10-15 days to obtain compound plant fermented product with insecticidal activity;
(3) and uniformly stirring and mixing the fermented castor bean cake fertilizer, the compound plant fermentation product, the nitrogen fertilizer, the phosphate fertilizer, the potassium fertilizer, the organic silicon phosphate fertilizer, the polyaspartic acid, the medium trace elements and the agricultural algin by adopting a blending process according to the parts by weight.
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| CN113213996A (en) * | 2021-03-29 | 2021-08-06 | 湖北省烟草科学研究院 | Root promoting agent for promoting growth of cigar root system and preparation and use methods thereof |
| CN114455996A (en) * | 2022-01-17 | 2022-05-10 | 镇江贝思特有机活性肥料有限公司 | Special seaweed bio-fertilizer for tobacco and special fertilizer applying device |
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Application publication date: 20201117 |