应用~(15)N示踪技术研究河南主要土类冬小麦对氮素的利用
李贵宝,张水旺
STUDIES ON THE UTILIZATION OF NITROGEN BY WINTER WHEAT IN MAJOR SOILS OF HENAN PROVINCE
Li Guibao\ Zhang Shuiwang (Soil and Fertilizer Institute,Henan Academy of Agricultural Sciences,Zhengzhou 450002)
J4 . 1997, (04): 243 -0 .  DOI: 10.11869/hnxb.1997.04.0243