Effects of Biochar on the Key Soil Nitrogen Transformation Processes in Agricultural Soil
ZHANG Xing, ZHANG Qing-wen, LIU Xing-ren, XU Ying-chun，REN Jian-qiang
Chinese Journal of Agrometeorology . 2015, (06): 709 -716 .  DOI: 10.3969/j.issn.1000-6362.2015.06.007