如(rú )今(jīn )燕麦草、小杂粮、覆膜马铃(líng )薯等耐旱(hàn )作物“当(dāng )家”,以水(shuǐ )定粮(liáng )改变了察汗淖(nào )尔(ěr )湿(shī )地(dì )周边(biān )农(nóng )业形态(tài )。庞学(xué )峰给(gěi )记者算了一笔账:种植燕麦草,只搞“雨(yǔ )养”农业(yè ),不(bú )使(shǐ )用(yòng )地下(xià )水。成(chéng )本(běn )下降,加上轮作和“水改(gǎi )旱”补贴,亩(mǔ )效(xiào )益可(kě )比种甜菜增加200元人民币左右。
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