如今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯等(děng )耐旱作物“当(dāng )家”,以水定粮改变了察(chá )汗淖尔湿地周边(biān )农(nóng )业形态。庞学峰(fēng )给记(jì )者算了(le )一笔账(zhàng ):种植燕麦草,只搞“雨养”农业,不使用(yòng )地(dì )下水。成(chéng )本下降,加上(shàng )轮作和“水改旱”补(bǔ )贴,亩效益可比种甜(tián )菜增加200元人民币左右。
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