如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱作物(wù )“当家”,以水定粮改变(biàn )了察汗淖尔湿(shī )地周边农业形态。庞学峰给(gěi )记者(zhě )算了一笔账(zhàng ):种植(zhí )燕(yàn )麦(mài )草,只(zhī )搞“雨养”农业,不使(shǐ )用地下水。成本下降,加(jiā )上轮作和“水改旱”补贴,亩效益可比种甜菜(cài )增加200元人民币(bì )左右。 -
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