The Effect of Organic Fertilizer Alternative Chemical Fertilizer on soil Fertility and Maize Yield
A field experiment was conducted in Lingtai County,Pingliang City,Gansu province,to compare the effects of organic fertilizer on soil fertility and maize yield.The results showed that organic fertilizer partly replaced chemical fertilizer was beneficial to the increase of soil nutrients,enzyme activity and maize yield,and the yield and soil properties of maize were improved best when organic fertilizer replaced 20%chemical fertilizer nitrogen,is the most suitable ratio of organic fertilizer and chemical fertilizer application.
NETL
NSTL
万方数据
