如今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐旱(hàn )作物“当家”,以水定粮改变了察汗淖尔湿(shī )地周边农业形态。庞学(xué )峰给记(jì )者算了一笔账:种植(zhí )燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用地(dì )下水(shuǐ )。成本下降(jiàng ),加上轮作(zuò )和“水改旱”补贴,亩效益(yì )可比种甜菜增加200元人民币(bì )左右。 -
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