Effect of Nitrogen Application Rate on Nitrate Nitrogen Distribution and Accumulation in Soils in Wheat-Maize Rotation System
RU Shu-hua, ZHANG Guo-yin, SUN Shi-you, GENG Nuan, WANG Ling, CHEN Gui-jin
ACTA AGRICULTURAE BOREALI-SINICA . 2011, (S2): 85 -89 .  DOI: 10.7668/hbnxb.2011.S2.020