...审定陆地棉品种的抗旱性和水分高效利用特性,通过分析田间干旱和充分灌溉两种处理皮棉产量,计算各品种皮棉产量的干旱产量指数(DYI)、丰水指数(WYI)和产量一水分高效利用指数(YHWUEI),筛选出在干..
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研究结果表明，径流量干旱指数与河西灌溉区春小麦气候产量呈反位相的变化趋势。
The result shows that runoff drought index and spring wheat climate output of Hexi irrigational area appears opposite variation tendency.
研究结果表明，径流量干旱指数与河西灌溉区春小麦气候产量呈反位相的变化趋势。
The result shows that runoff drought index and spring wheat climate output of Hexi irrigational area present opposite variation tendency of phase.
因此，可利用径流量干旱指数的变化来预测该地区未来春小麦产量变化趋势。
So, the change tendency of runoff drought index can be used to predict the variation tendency of output of spring wheat in the future of this area.
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