如今(jīn )燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃(líng )薯等耐旱(hàn )作物“当家”,以水定粮改变了察(chá )汗淖尔湿地周边农业形态。庞学(xué )峰给(gěi )记者算(suàn )了一笔账(zhàng ):种植燕麦草,只(zhī )搞“雨(yǔ )养”农业,不使(shǐ )用地下水。成本下降(jiàng ),加上轮作和(hé )“水改旱(hàn )”补贴,亩效益可(kě )比种甜菜增加200元人民币左右。
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