Means and standard errors (in parentheses) of NO3--N, SON (soil organic nitrogen), fertilizer inputs, and biomass of red clover, rye, corn and soybean in the studied managements across the studied 20 fields.
收藏数据链接：
官方服务：
资源简介：
* Different lowercase letters in each row within each management mark significant differences among the topographical positions (pData are averages from 2011–2013.
创建时间：
2015-12-03
