如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水定粮改变了察汗淖尔湿地周边农(nóng )业形(xíng )态。庞学峰给记者算了一笔(bǐ )账:种植燕(yàn )麦草,只(zhī )搞“雨养”农业,不使用(yòng )地下水。成(chéng )本下降(jiàng ),加(jiā )上轮作和“水改旱”补贴,亩(mǔ )效(xiào )益(yì )可比种甜菜增加200元人(rén )民币左右。
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