如今燕麦(mài )草(cǎo )、小杂粮、覆膜马(mǎ )铃薯等耐旱(hàn )作物“当家”,以水定粮改变了(le )察(chá )汗淖尔(ěr )湿(shī )地(dì )周边(biān )农业(yè )形态。庞学峰给记者(zhě )算了一笔(bǐ )账(zhàng ):种植燕(yàn )麦草(cǎo ),只(zhī )搞(gǎo )“雨养(yǎng )”农业,不(bú )使用(yòng )地下水。成本(běn )下降,加上(shàng )轮(lún )作和“水改旱(hàn )”补贴,亩效(xiào )益可比种(zhǒng )甜菜增加200元人民(mín )币左右。
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