红枣根渗灌效果试验研究
Water Saving Irrigation(2012)
Abstract
为了研究新型根渗管的使用技术与应用效果,在阿克苏地区红枣园开展了为期3年的试验研究。结果表明:采用"一行两管"的布置模式,本新型根渗管能够很好地满足树龄为10年左右枣树的灌水需求;并且与常规滴灌相比所需运行压力小,运行成本可降低50%~80%,每年可节省投资1 271元/hm2;比起常规漫灌其水分利用率高,就种植红枣而言,农民每年可增加收入42 640元/hm2。
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Key words
water application efficiency,water productivity,red jujube,root-seepage irrigation system,water productive benefit,root district dynamic variation of soil moisture
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