如(rú )今燕麦草、小杂粮、覆膜马(mǎ )铃薯等耐旱作物“当家”,以水定粮(liáng )改变了(le )察(chá )汗淖尔湿地周边农(nóng )业形态。庞学峰给记者算了一(yī )笔账(zhàng ):种植燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地下水。成本下降,加上轮作和(hé )“水(shuǐ )改旱(hàn )”补贴(tiē ),亩效益可比种(zhǒng )甜菜增加200元人民(mín )币(bì )左右。 -
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