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20 0 3年由于黄河上游来水不足和全流域水量统一调度 ,宁夏引黄灌区水稻灌溉 ,特别是 5到 6月份的灌溉受到了严重影响 ,为了深入探讨缺水条件下水稻返青前的抗旱能力及其对以后生长发育的影响 ,特进行本项研究。1 材料与方法1 .1 材料试验地为稻旱轮作地 ,肥力中上 ,灌溉条件
Due to the lack of water in the upper reaches of the Yellow River and the unified regulation of the whole basin, irrigation of rice in Ningxia Yellow River Irrigation Area, especially from May to June, has been severely affected. In order to further investigate the drought resistance of paddy before regreening under water deficit and Its impact on future growth and development, especially for this study. 1 Materials and methods 1.1 The experimental site for the rice dry rotation, fertility, irrigation conditions