中稻涝渍害影响与补救恢复效应试验研究

Study on the Effect of Waterlogged and Remedial Measure on Middle-season Rice

在江苏省里下河稻区中稻涝渍害与补救恢复效应试验结果表明,水稻分蘖期受到涝渍灾害可影响水稻的生长发育,导致叶片死亡、分蘖停止或消亡,导致有效穗减少,穗粒数减少,水稻产量下降14.76%~26.58%。在及时排除积水的基础上迅速施恢复肥和生化制剂补救,可显著降低涝灾对水稻产量的影响。

The test on effect of waterlogged and remedial measure on middle-season rice in Lixiahe region were made and the result indicated that waterlogged influenced rice growth at tillering stage, it caused leaf＇s death and stop tillering, reduced effective ears and grain number, the yield declined from 14.76% to 26.58%. the remedial measure which was using restorative fertilizer and biological agent on the foundation of remove the ponding can significantly reduce effect of yield.