[an error occurred while processing this directive]
山东夏玉米土壤干旱阈值研究与影响评价
董智强1(),李曼华1,李楠1,薛晓萍1,陈辰1,张继波1,赵红1,侯英雨2,潘志华3
The Thresholds of Soil Drought and Its Impacts on Summer Maize in Shandong Province
DONG ZhiQiang1(),LI ManHua1,LI Nan1,XUE XiaoPing1,CHEN Chen1,ZHANG JiBo1,ZHAO Hong1,HOU YingYu2,PAN ZhiHua3

图4. 夏玉米减产率与苗期、穗期及花粒期土壤相对湿度单位变化的关系

Fig. 4. The relationship between yield reduction and unit change of soil relative humidity at seedling stage, ear stage and grain stage of summer maize