Biological organic fertilizer and preparation method thereof
A bio-organic fertilizer and mixture technology, which is applied in the preparation of organic fertilizers, the treatment of bio-organic parts, and organic fertilizers, can solve problems such as pollution, and achieve the effects of reducing environmental pollution, major economic and social benefits, and high fertilizer efficiency.
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[0012] The invention provides a method for preparing bio-organic fertilizer, which is characterized in that the method comprises mixing sludge, plant waste and high-temperature-resistant aerobic bacteria, and stacking and fermenting the obtained mixture until the moisture content of the mixture is reduced to 40% by weight % or less, such as 30-40% by weight, and then post-ripen the stacked fermented product, wherein the weight ratio of the sludge to the plant waste is 1:0.3-2, preferably 1:0.5-1, Based on each kilogram of plant waste, the amount of the thermostable aerobic bacteria added is 125-250 million, preferably 150-200 million, and the temperature that the thermostable aerobic bacteria can tolerate is at least 50°C.
[0013] According to the present invention, the object of the present invention can be achieved as long as the thermostable aerobic bacteria can withstand at least a high temperature of 50° C. and are harmless to human body and environment. Preferably, the ...
Embodiment 1
[0035] Mix the sludge and cassava residues in a weight ratio of 1:1, and inoculate Bacillus subtilis (Guangzhou Huayuan Biotechnology Co., Ltd.) (about 125 million inoculations per kilogram of cassava residues), and stack them into three-dimensional trapezoidal stacks after mixing evenly (The area of the upper bottom surface is 1×2m 2 , the area of the bottom surface is 2×3m 2 , height is 1m) carry out stacking fermentation, turn over 2 times every day to keep stacking temperature to be about 60 ℃, stop turning over after 25 days, record the moisture content of this moment mixture to be 37% by weight. The method of natural ventilation was used to keep the stacking temperature at about 35°C for 7 days to obtain the bio-organic fertilizer. The technical indicators such as organic matter in the bio-organic fertilizer were measured, and the results are shown in Table 2.
Embodiment 2
[0037] Mix the sludge and straw according to the weight ratio of 1:0.3, and inoculate Bacillus natto (Guangzhou Huayuan Biotechnology Co., Ltd.) (about 250 million cassava residues per kilogram), and stack them into three-dimensional trapezoidal stacks after mixing evenly (The area of the upper bottom surface is 1×2m 2 , the area of the bottom surface is 2×3m 2 , height is 1m) carry out stacking fermentation, turn over 2 times every day to keep stacking temperature to be about 60 ℃, stop turning over after 25 days, record the moisture content of this moment mixture to be 36% by weight. The method of natural ventilation was used to keep the stacking temperature at about 35°C for 7 days to obtain the bio-organic fertilizer. The technical indicators such as organic matter in the bio-organic fertilizer were measured, and the results are shown in Table 2.
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