如今燕麦草、小杂粮、覆膜马铃(líng )薯等耐旱(hàn )作物(wù )“当家”,以水定粮改变了(le )察(chá )汗淖尔湿(shī )地周边农业形态。庞学峰给记者算了(le )一笔账(zhàng ):种植燕麦草(cǎo ),只搞(gǎo )“雨养”农(nóng )业,不使用(yòng )地下水。成本下降(jiàng ),加上轮作和“水(shuǐ )改旱”补贴,亩效(xiào )益可比(bǐ )种甜菜增加200元人民币(bì )左右。 -
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