SYNTHESIS OF ORGANIC FERTILIZER

Organic fertilizers are materials with defined chemical composition and high nutritional value that can provide adequate nutrients for plant growth. Organic fertilizers were mainly made by composting animal manure human excrement or plant matter (such as straw and garden waste) under microorganisms fermenting at high temperatures. Organic fertilizers improve the soil structure provide a wide range of plant nutrients and add beneficial microorganisms to the soil. Because of the benefits of organic fertilizers on soil structure and crop yield were widely used in the agricultural system