如今(jīn )燕(yàn )麦(mài )草(cǎo )、小杂粮、覆膜马铃(líng )薯等耐旱作物“当家”,以(yǐ )水定粮(liáng )改(gǎi )变了察汗淖尔湿地(dì )周边农(nóng )业形态。庞学(xué )峰给记(jì )者算了(le )一(yī )笔(bǐ )账:种植燕麦草(cǎo ),只(zhī )搞“雨(yǔ )养”农业(yè ),不使(shǐ )用地下水。成本下降(jiàng ),加(jiā )上轮作(zuò )和“水改旱(hàn )”补贴,亩效(xiào )益可(kě )比种甜(tián )菜(cài )增加200元人(rén )民币左(zuǒ )右。
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