如今燕(yàn )麦草、小杂(zá )粮、覆膜马铃薯等耐(nài )旱作物“当(dāng )家”,以(yǐ )水(shuǐ )定粮改(gǎi )变了察汗淖尔湿地(dì )周边农业形态。庞学峰给(gěi )记者算了一(yī )笔账(zhàng ):种植燕麦草,只搞“雨养”农业,不(bú )使用(yòng )地下水。成本下(xià )降,加上轮作(zuò )和“水改旱”补贴,亩效(xiào )益可比种甜菜增加200元人民币(bì )左右。
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