如(rú )今(jīn )燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮改变了察汗淖尔湿地(dì )周边农业形态。庞学峰给记者算了一笔账(zhàng ):种植(zhí )燕(yàn )麦草,只(zhī )搞“雨养(yǎng )”农业,不使用(yòng )地下水。成(chéng )本下降,加上(shàng )轮作和(hé )“水改旱(hàn )”补贴,亩效益可(kě )比种甜菜增加200元人民币左(zuǒ )右。 -
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