治水兴水看新疆丨棉花喝上冰川水|2021国产m豆传媒
8月10日,新疆玛纳斯县包家店镇的农田里,棉花植株上挂满了核桃大的棉桃。拨开棉花茂盛的枝叶,能看到顺着棉花植株纵向排开的一条条手指粗的黑色软管。
这一眼望不到尽头的棉田是包家店镇高标准农田建设项目。“以前我们的棉花每株只能结十一二个棉桃。”包家店镇水管所工作人员柴生彬拿一株棉花数着,“你看,这株棉桃有17个。”
棉花的增产离不开冰川雪水的滋润。柴生彬告诉记者,灌溉棉田的水来自玛纳斯县的塔西河,得益于上游石门子水库的建设,发挥了防洪、灌溉作用,存储了大量顺河而下的冰川雪水,保证了灌溉用水的稳定性。“冰川雪水矿物质含量丰富,无需处理直接用来灌溉农田,特别利于棉花生长。”柴生彬说。
膜下滴管和高压节水滴灌的推广使用,提高了冰川雪水的利用率。“棉花根部的黑色软管就是我们的膜下滴管,根据棉花植株距离设置了出水的小孔,让水精准供给到每株棉花。”玛纳斯县农牧业技术推广中心主任吕晓庆说,膜下滴管和高压节水滴灌的推广使用,使农田用水从大水漫灌时期的每亩地550m³下降到了现在的每亩地360m³,截至目前,全县的高压节水滴灌覆盖率达到98%以上。
来源:经济日报新闻客户端
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