如(rú )今燕麦草(cǎo )、小杂(zá )粮、覆膜马铃(líng )薯等耐旱(hàn )作物“当家(jiā )”,以水定粮改变了察汗淖尔湿地(dì )周边农业形态。庞学峰给记(jì )者算了一笔账:种(zhǒng )植燕麦草,只搞(gǎo )“雨养”农业(yè ),不使用(yòng )地下水。成本下降,加(jiā )上(shàng )轮作和“水(shuǐ )改(gǎi )旱”补贴,亩效益可比种甜菜增(zēng )加200元人民币左右。
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