With the decrease in SWP, the grain yield, spikelets per panicle, ripened grains and 103-grain weight were all reduced for both upland and paddy rice.

• 随着土水势的下降,水、陆稻分蘖能力均受到抑制,地上部干物重下降,水、陆稻间差异较小; 根干重和根冠比的下降幅度,陆稻小于水稻,而叶面积的下降幅度陆稻则大于水稻。