长江中游地区双季稻安全生产日期的变化
艾治勇1, 郭夏宇1, 刘文祥1, 马国辉1, 青先国2,*

Changes of Safe Production Dates of Double-season Rice in the Middle Reaches of the Yangtze River
AI Zhi-Yong1, GUO Xia-Yu1, LIU Wen-Xiang1, MA Guo-Hui1, QING Xian-Guo2,*
图6 长江中游双季稻安全生长季节天数的变化倾向率分布 A: 早稻覆膜旱育秧; B: 早稻露地水育秧。
Fig. 6 Distribution of change trend rate of the days of safe growth season of double-season rice in the Middle Reach of the Yangtze River A: early-season rice seedling raised in dry nursery covered with film; B: early-season rice seedling raised in wet nursery without covering.