funded by the National Key Research and Development Program of China(2016YFD0200307 and 2016YFD0200108);the National Natural Science Foundation of China(41401295 and 41271309)。
Soil aggregates are an important controlling factor for the physico-chemical and biological processes such as ammonium(NH;) retention. Straw return to the field is increasingly recommended to promote soil carbon(C) se...