如今燕(yàn )麦草、小杂粮、覆膜马铃薯(shǔ )等耐旱作(zuò )物“当(dāng )家”,以(yǐ )水(shuǐ )定粮改(gǎi )变了(le )察汗(hàn )淖(nào )尔(ěr )湿(shī )地(dì )周边农业形(xíng )态。庞学峰给记(jì )者算(suàn )了(le )一笔(bǐ )账:种植燕麦(mài )草,只(zhī )搞“雨养”农业(yè ),不使(shǐ )用地下水。成本下降,加上(shàng )轮作和“水(shuǐ )改旱”补贴(tiē ),亩效(xiào )益可(kě )比种(zhǒng )甜菜(cài )增加200元(yuán )人(rén )民币左右。
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