如(rú )今燕麦草(cǎo )、小(xiǎo )杂粮(liáng )、覆膜马铃薯(shǔ )等耐(nài )旱(hàn )作物“当家(jiā )”,以(yǐ )水定粮改变了(le )察汗淖尔(ěr )湿地(dì )周(zhōu )边农业(yè )形态。庞学(xué )峰(fēng )给记者算(suàn )了一笔(bǐ )账(zhàng ):种植(zhí )燕(yàn )麦草,只(zhī )搞“雨(yǔ )养”农(nóng )业,不(bú )使用地(dì )下水。成本下降,加上轮作和(hé )“水改旱(hàn )”补贴,亩效(xiào )益可比种甜菜(cài )增(zēng )加200元人民币左右。
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