如(rú )今燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了察汗淖尔(ěr )湿地周边农(nóng )业形态。庞学峰给记(jì )者(zhě )算了一笔账:种植燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地下水。成(chéng )本下降,加上(shàng )轮作和“水(shuǐ )改(gǎi )旱”补贴,亩效益可比种甜菜增(zēng )加200元(yuán )人民币(bì )左右。 -
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