如(rú )今燕(yàn )麦(mài )草、小杂粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水定粮(liáng )改变了察汗淖尔湿地周边农业形态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨养(yǎng )”农(nóng )业,不(bú )使(shǐ )用地下水。成本下降,加(jiā )上轮作和“水(shuǐ )改旱(hàn )”补贴(tiē ),亩效益可比种甜菜增加(jiā )200元人(rén )民币(bì )左右。 -
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