Fertilization system 第1页

The Dynamics of Crop Yields under Different Fertilization Systems in Drab Fluvo-aquic Soil Effect of different fertilization systems on soil phosphorus fertility and crop yield Effect of fertilization systems on microbes in the paddy soil Effect of long term fertilization on soil profile nitrogen storage in a reddish paddy soil CONTRIBUTION OF FERTILIZERS TO YIELD INCREASE AND ITS EFFECT ON SOIL ORGANIC MATTER