Biological fertilizer for preventing and controlling root black rot of tobacco, and preparation method thereof
A technology for root black rot and biological fertilizer, applied in the field of tobacco pest control, can solve problems such as adverse environmental impact and poor control effect, and achieve the effects of improving the quality of arable land, improving the resistance of tobacco plants, and improving the quality of tobacco leaves
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[0029] The preparation method of Bacillus cereus bacterial powder refers to the content disclosed in "Preparation and Stability Research of Bacillus dhs-330-021 bacterial powder" by Si Xiaoguang et al., using skim milk, trehalose, β-cyclodextrin and Sodium glutamate was used as a protective agent, and Bacillus cereus powder was prepared by spray drying (inlet temperature 90°C, outlet temperature 50°C, injection speed 2mL / min).
[0030] The preparation method of Bacillus pumilus bacteria powder refers to the content disclosed in "Preparation and Stability Research of Bacillus dhs-330-021 Bacteria Powder" by Si Xiaoguang et al. Sodium phosphate was used as a protective agent, and the Bacillus pumilus powder was prepared by spray drying (inlet temperature: 95°C, outlet temperature: 60°C, injection speed: 4mL / min).
[0031] The reference patent number for the preparation method of Streptomyces kasuga powder is ZL2014105705704, and the title of the invention is a preparation method...
Embodiment 1
[0033] A biological fertilizer for preventing and treating tobacco root black rot and its preparation method, fermenting ingot maple seed cake with EM bacteria for 28 days to make fermented ingot maple seed cake; calcining conch shells at 700°C and crushing to 50 mesh ;According to the following parts by weight: 26 parts of fermented ingot maple seed cake, 22 parts of ammonium nitrate, 13 parts of monoammonium phosphate, 22 parts of potassium sulfate, 3 parts of mineral source potassium fulvic acid, 2 parts of polyaspartic acid, conch shell powder 9 parts, 0.3 parts of magnesium sulfate, 0.15 parts of zinc sulfate, 0.04 parts of borax, 0.01 parts of ammonium molybdate, 0.5 parts of chitosan, 0.5 parts of agricultural seaweed, 0.5 parts of glucose, 0.25 parts of Bacillus cereus powder, Bacillus pumilus 0.25 parts of powder, 0.5 parts of Streptomyces kasuga powder, the number of viable colonies contained in each powder is not less than 10 8 cfu / g, through the mixing process of o...
Embodiment 2
[0035] A biological fertilizer for preventing and treating tobacco root black rot and its preparation method, fermenting ingot maple seed cake with EM bacteria for 28 days to make fermented ingot maple seed cake; calcining conch shells at 900°C and crushing to 50 mesh ; According to the following parts by weight: 28 parts of fermented ingot maple seed cake, 18 parts of ammonium nitrate phosphate fertilizer, 20 parts of calcium magnesium phosphate fertilizer, 18 parts of potassium sulfate, 3 parts of mineral source potassium fulvic acid, 1 part of polyaspartic acid, conch shell 4 parts of powder, 1 part of magnesium sulfate, 0.2 parts of zinc sulfate, 0.25 parts of borax, 0.05 parts of ammonium molybdate, 2 parts of chitosan, 1 part of agricultural seaweed, 1 part of glucose, 1 part of Bacillus cereus, Bacillus pumilus 0.5 parts, 1 part of Streptomyces kasuga, the number of viable colonies contained in each bacterial powder is not less than 10 8 cfu / g. Through the mixing proce...
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