如(rú )今燕(yàn )麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水定粮改变了察汗淖尔湿地周边农业形(xíng )态。庞学峰给记者算(suàn )了一(yī )笔账:种(zhǒng )植燕(yàn )麦草,只搞“雨养”农业,不使用(yòng )地下水。成本(běn )下(xià )降(jiàng ),加(jiā )上(shàng )轮作和“水改旱”补贴,亩效益可比(bǐ )种甜菜增加200元人民币左右。
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