陕西省不同年代玉米品种产量和氮效率性状的变化
张仁和1, 杜伟莉1, 郭东伟1, 张爱瑛2, 胡富亮1, 李凤艳1,*, 薛吉全1,*

Changes of Grain Yield and Nitrogen Use Efficiency of Maize Hybrids Released in Different Eras in Shaanxi Province
ZHANG Ren-He1, DU Wei-Li1, GUO Dong-Wei1, ZHANG Ai-Ying2, HU Fu-Liang1, LI Feng-Yan1,*, XUE Ji-Quan1,*
图1 2011-2012年陕西省长武县旱地春玉米生长季节降雨量、温度和日辐射量的变化
Fig. 1 Changes of precipitation, temperature and solar radiation of dryland spring maize at Changwu of Shaanxi Province br in 2011 and 2012