1.Improve the soil.After applying the manure into the soil,physicochemical conditions and biological characteristics of soil can be improved effectively.It can ripen the soil,enhances soil fertility and buffer capacity,create good soil condition for crop growth.

2.Increase yield,improve quality.The manure is rich in organic matter and various of nutrient elements,which can supply nutrients for crops.After the decomposition of manure,It can supply energy and nutrients for microbe activities in the soil,promote activities of microbe,quicken decomposition of organic matter,active substances produced can promote crop growth and improve crop quality.

3.Improve fertilizer utility.The nutrients in manure is high but relative content is low,slow released.However,the unit nutrient in chemical fertilizer is high but the ingredient is low,fast released.Apply both fertilizer cooperatively, supplement mutually,organic acid produced by decomposing organic matter  can promote the dissolution of mineral nutrients in soil and fertilizer.Organic fertilizer and chemical fertilizer promote mutually,which is helpful for crop absorbing,improve the utility of fertilizer.