如今(jīn )燕麦草、小杂粮、覆膜马铃薯(shǔ )等耐旱作物(wù )“当家(jiā )”,以水定粮改变了察(chá )汗(hàn )淖(nào )尔(ěr )湿地周边(biān )农业(yè )形态。庞学峰给(gěi )记者(zhě )算(suàn )了(le )一笔(bǐ )账(zhàng ):种(zhǒng )植燕(yàn )麦草(cǎo ),只搞“雨养(yǎng )”农业,不使用地下水。成本下降,加上轮作和“水改旱(hàn )”补贴,亩(mǔ )效(xiào )益(yì )可(kě )比(bǐ )种(zhǒng )甜菜增加200元人民币(bì )左右。
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