Effects of nitrogen fertilizer on the composition of maize roots and their decomposition at different soil depths

Cai, Miao; Dong, Yanjie; Chen, Zhujun; Zhou, Jianbin; Cai, Miao; Chen, Zhujun; Zhou, Jianbin; Dong, Yanjie; Kalbitz, Karsten; SCI

机构： Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China; Minist Agr, Key Lab Plant Nutr Agrienvironm Northwest China, Yangling 712100, Shaanxi, Peoples R China; Shandong Acad Agr Sci, Agr Qual Stand & Testing Technol Res Inst, Jinan 250100, Shandong, Peoples R China; Tech Univ Dresden, Soil Resources & Land Use, Inst Soil Sci & Site Ecol, Dresden, Germany;

关键词： Long-term fertilization Microbial biomass carbon Mineral nitrogen Root decomposition Soluble organic carbon