如今燕麦草、小杂粮、覆膜马铃(líng )薯等耐旱(hàn )作物“当家”,以水(shuǐ )定(dìng )粮改变了察汗(hàn )淖尔(ěr )湿地周边农(nóng )业(yè )形(xíng )态。庞学(xué )峰给(gěi )记(jì )者(zhě )算(suàn )了(le )一笔账:种植燕(yàn )麦(mài )草,只(zhī )搞“雨养”农业,不使用地(dì )下水。成本(běn )下降,加(jiā )上轮作和“水改(gǎi )旱”补(bǔ )贴(tiē ),亩效益可(kě )比(bǐ )种(zhǒng )甜菜(cài )增(zēng )加200元人民(mín )币左右。
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