The role and methods of application of bioorganic fertilizers
Role and methods of application of bioorganic fertilizers Organic fertilizers contain organic matter and microflora useful for crops, and also contain a certain amount of nitrogen, phosphorus, potassium nutrients and other elements. According to the national standards of bio-organic fertilizer, the content of organic matter is more than 40%, the amount of live bacteria beneficial to crops is more than 20 million per gram, the content of nitrogen, phosphorus, potassium and other useful elements is more than 5%. Raw materials of organic matter come from animal excrement, attached cadavers, plant straw, processed bran byproducts, rotten soil, household waste, etc. D. Unprocessed urban household waste is not allowed as food, oils, fruits, vegetables and people's lives