如今(jīn )燕(yàn )麦草、小杂(zá )粮、覆膜马铃薯(shǔ )等耐旱(hàn )作物“当家”,以水定粮改变(biàn )了察汗(hàn )淖尔湿地周边农业形态。庞学峰给记(jì )者(zhě )算了一笔账:种(zhǒng )植燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用地下水。成本下(xià )降(jiàng ),加上(shàng )轮作(zuò )和“水改旱”补贴,亩效益可比种甜菜增加200元人民币左右(yòu )。
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