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水稻是一种喜水或嗜水植物 ,具有半水生或湿生的习性 ,淹水栽培使水稻种植不仅耗水量巨大而且水资源浪费严重。因降雨量在地区间、季节间、年际间分配不均 ,加之受水源多少、引水灌溉难易等的影响 ,使不少稻田由于水资源短缺以及水分供需矛盾的原因往往造成水稻产量低而不稳甚
Rice is a kind of hi-water or water-repellent plant, which has the habit of semi-aquatic or wet-growing. The flooding cultivation makes rice planting not only consume huge amount of water but also waste water resources seriously. Due to rainfall in the region, season, year-to-year inequitable distribution, coupled with how much by the water, easy irrigation and other water diversification, many paddy fields due to water shortages and water supply and demand conflicts often lead to low yields of rice Unstable