如今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮(liáng )改变(biàn )了(le )察(chá )汗(hàn )淖尔(ěr )湿地周边农业形态。庞学峰(fēng )给(gěi )记(jì )者(zhě )算了一笔(bǐ )账:种植燕(yàn )麦草(cǎo ),只搞(gǎo )“雨(yǔ )养”农业,不使用地(dì )下(xià )水。成(chéng )本(běn )下(xià )降(jiàng ),加上轮作和“水改旱(hàn )”补贴,亩效益可比(bǐ )种甜(tián )菜增(zēng )加200元人(rén )民币左右。
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