Organic fertilizers

Organic fertilizer (manure) microbial decomposition of organic matter in natural or fermented into a kind of fertilizer. China also known as manure. Its characteristics are: a wide source of raw materials, the number of large; nutrient, low content; fertilizer late and long after microbial decomposition can be absorbed by plants; soil fertility effects. Natural fertilizers are commonly used green manure, human waste biogas fertilizer, manure, compost, composting, and waste fertilizer.