如今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水定粮(liáng )改变了察汗(hàn )淖尔湿地周边农(nóng )业形态。庞学峰(fēng )给记者算了一笔账:种植燕麦草,只(zhī )搞“雨养”农业,不使用地(dì )下(xià )水。成本下降(jiàng ),加上(shàng )轮作和(hé )“水改旱(hàn )”补贴,亩效益(yì )可(kě )比种甜菜增加200元人民币左右。
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