水分临界期持续干旱胁迫对夏玉米光合生理与产量形成的影响

张继波,李楠,邱粲,薛晓萍

Effect of Continuous Drought Stress During Critical Period of Water on Photosynthetic Physiology and Yield Formation of Summer Maize

Jibo ZHANG,Nan LI,Can QIU,Xiaoping XUE

表1 基于土壤水分的干旱判别标准

Tab.1 The evaluation criteria of drought based on soil moisture

干旱状态 土壤相对湿度/% 无旱 RHs>60 轻旱 40<RHs≤60 重旱 RHs≤40