如(rú )今(jīn )燕麦草、小(xiǎo )杂粮(liáng )、覆膜马铃薯等耐旱作物(wù )“当家(jiā )”,以水定粮改变了察汗淖尔湿地周边农(nóng )业(yè )形态。庞学(xué )峰给(gěi )记(jì )者算(suàn )了一(yī )笔(bǐ )账(zhàng ):种植(zhí )燕麦草,只搞“雨养(yǎng )”农业,不(bú )使(shǐ )用地(dì )下(xià )水(shuǐ )。成(chéng )本下降,加(jiā )上(shàng )轮作和“水改(gǎi )旱”补(bǔ )贴(tiē ),亩(mǔ )效益可(kě )比(bǐ )种甜菜(cài )增加200元(yuán )人民币左右(yòu )。
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