如今(jīn )燕麦(mài )草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改变(biàn )了察汗淖尔湿地周边农业形(xíng )态。庞学峰给(gěi )记者算了一笔账:种植燕麦草,只(zhī )搞(gǎo )“雨养”农业,不使用(yòng )地下水。成本下降,加上(shàng )轮作和(hé )“水改旱”补贴(tiē ),亩效益可比种甜菜增(zēng )加(jiā )200元人(rén )民币左右。
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