如今燕麦(mài )草、小杂粮、覆膜马铃薯(shǔ )等耐旱作物“当家”,以水定粮改变(biàn )了察汗淖尔湿地(dì )周边农业(yè )形态。庞学峰给记者算了(le )一(yī )笔账:种植燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用(yòng )地下水(shuǐ )。成本下降,加(jiā )上(shàng )轮(lún )作和“水改旱”补贴,亩效益可(kě )比(bǐ )种甜菜增加200元人民(mín )币左右。
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