如今(jīn )燕(yàn )麦草(cǎo )、小杂粮、覆膜马铃薯等耐旱作物“当(dāng )家(jiā )”,以(yǐ )水定粮(liáng )改(gǎi )变了察(chá )汗(hàn )淖尔湿地(dì )周边农业形态。庞学峰给记者算了一笔(bǐ )账(zhàng ):种植燕麦草,只搞“雨(yǔ )养”农(nóng )业,不(bú )使用(yòng )地下水(shuǐ )。成本(běn )下(xià )降,加上(shàng )轮作和“水改(gǎi )旱(hàn )”补贴,亩效益可(kě )比种甜菜(cài )增加(jiā )200元人民币左右。
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