如今燕麦(mài )草、小杂(zá )粮、覆膜马(mǎ )铃薯等耐旱(hàn )作物“当家”,以水定粮改变了察(chá )汗淖尔湿(shī )地(dì )周边农业形态。庞学峰(fēng )给(gěi )记者算了(le )一笔账:种植燕麦草,只(zhī )搞“雨养”农业,不使(shǐ )用(yòng )地下水。成本下(xià )降,加上轮(lún )作和“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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