如(rú )今(jīn )燕麦草(cǎo )、小杂(zá )粮、覆膜(mó )马铃薯等耐旱作物(wù )“当家”,以(yǐ )水定(dìng )粮改(gǎi )变(biàn )了察汗(hàn )淖(nào )尔(ěr )湿(shī )地周边农业形态。庞学峰给(gěi )记者(zhě )算了一笔(bǐ )账:种植燕(yàn )麦(mài )草(cǎo ),只搞“雨养”农业,不使用地(dì )下水(shuǐ )。成本下降,加(jiā )上轮作(zuò )和(hé )“水改旱(hàn )”补贴(tiē ),亩效益可比种甜菜增加200元人(rén )民(mín )币左右。
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