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中文摘要：
2006-2007连续两年在石羊河流域下游民勤县干旱荒漠绿洲区大田试验覆膜条件下隔沟交替灌溉（AFI）和常规沟灌（CFI）对棉花生长、产量及经济效益的影响。结果表明,隔沟交替灌溉方式对棉花株高的生长起到了抑制作用,且结铃率高于常规沟灌处理;在次灌水定额为当地畦灌水平的50%左右时隔沟交替灌溉与常规沟灌处理相比,能够提高棉花的产量和霜前花比例,增加经济效益。在荒漠绿洲区隔沟交替灌溉是一种有效的灌溉方式,可以实现节水优质高效的目标。
英文摘要：
A field experiment was carried out to study the effects of alternate furrow irrigation on cotton growth,yield and economic value of cotton planted in desert oasis located in the downstream of Shiyang River Basin,Gansu Province.The results showed that the height of cotton in the treatment of AFI were lower than that of CFI,while the rate of effective bolls in the treatment of AFI was higher than that of CFI.When the irrigation amount of cotton was set to be about 50% of local border irrigation,AFI showed higher seed cotton yield and higher percentages of seed cotton yield pre-frost than in the treatment of CFI.As a result,the economic values of AFI were also higher than that of CFI.It can be concluded that application of AFI on cotton in the oasis could save water as well as increase seed cotton yield and economic value.
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