Biological organic selenium-enriched fertilizer

[0024] A bio-organic selenium-enriched fertilizer is mainly made of the following components in proportions by weight:

[0025] 50kg of pig manure, 30kg of pigeon manure, 10kg of corn straw, 6kg of nano-carbon black, 10kg of oyster shell powder, 4kg of selenium-containing substances, 5kg of green juice, 5kg of calcium ammonium nitrate, 5kg of silicon sulfate, 5kg of bacterial strains, and 20kg of potassium humate.

[0026] The selenium-containing substances include sodium selenite and sodium selenate.

[0027] The green juice is made by mixing and squeezing 4 parts of mulberry leaves, 2 parts of water peanuts, 1 part of green tea, 1 part of mimosa and 5 parts of young wheat leaves.

[0028] The strains include lactic acid bacteria and yeast.

[0029] The preparation method of the above-mentioned bio-organic selenium-enriched fertilizer comprises the following steps:

[0030] (1) Mix corn stalks, nano-carbon black, and oyster shell powder evenly to obtain a mixture, dissolve the

[0034] A bio-organic selenium-enriched fertilizer is mainly made of the following components in proportions by weight:

[0035] 55kg of pig manure, 35kg of pigeon manure, 15kg of corn straw, 8kg of nano-carbon black, 13kg of oyster shell powder, 5kg of selenium-containing substances, 6kg of green juice, 6kg of calcium ammonium nitrate, 6kg of silicon sulfate, 6kg of bacterial strains, and 25kg of potassium humate.

[0036] The selenium-containing substances include sodium selenate and selenium ore powder.

[0037] The green juice is made by mixing and squeezing 5 parts of mulberry leaves, 3 parts of water peanuts, 2 parts of green tea, 2 parts of mimosa and 6 parts of young wheat leaves.

[0038] The strains include yeast and Bacillus subtilis.

[0039] The preparation method of the above-mentioned bio-organic selenium-enriched fertilizer comprises the following steps:

[0040] (1) Mix corn stalks, nano-carbon black, and oyster shell powder evenly to obtain a mixture, dissolve

[0044] A bio-organic selenium-enriched fertilizer is mainly made of the following components in proportions by weight:

[0045] 60kg of pig manure, 40kg of pigeon manure, 20kg of corn straw, 10kg of nano-carbon black, 16kg of oyster shell powder, 6kg of selenium-containing substances, 7kg of green juice, 7kg of calcium ammonium nitrate, 7kg of silicon sulfate, 7kg of bacterial strains, and 30kg of potassium humate.

[0046] The selenium-containing substances include sodium selenite and selenium ore powder.

[0047] The green juice is made by mixing and squeezing 6 parts of mulberry leaves, 4 parts of water peanuts, 3 parts of green tea, 3 parts of mimosa and 7 parts of young wheat leaves.

[0048] The strains include lactic acid bacteria and Bacillus subtilis.

[0049] The preparation method of the above-mentioned bio-organic selenium-enriched fertilizer comprises the following steps:

[0050] (1) Mix corn stalks, nano-carbon black, and oyster shell powder evenly to obtain a mi