Tillage Impacts on Soil Total Nitrogen and Alkali-hydrolyzed Nitrogen of the Purple Paddy Soil in Southeast China
ZHU Tao, HAO Qing-ju, JIANG Chang-sheng, YUAN Xue
SCIENTIA GEOGRAPHICA SINICA . 2011, (6): 753 -757 .  DOI: 10.13249/j.cnki.sgs.2011.06.753