Support by the Special Fund for Agro-scientific Research in the Public Interest of China(201203030-5);National Natural Science Foundation of China(41201288,41201255,31301284);Key Programs for Science and Technology Development of Henan Province(132102110068);Excellent Youth Science and Technology Foundation of Henan Academy of Agricultural Sciences(2013YQ15);JIRCAS-IARRP collaborative research:Estimation of the Present States of Fertilizer Use and Livestock Production and Their Environmental Load~~
[Objective] Long-term (over 18 years) fertilization experiments were con- ducted to study the responses of crop yields and soil fertility to long-term nutrient lacking at Zhengzhou in China. [Method] The present stu...