如今燕麦(mài )草(cǎo )、小杂粮、覆膜马(mǎ )铃薯(shǔ )等耐(nài )旱作物“当(dāng )家”,以(yǐ )水定粮改变了(le )察汗淖尔湿(shī )地周边农(nóng )业形态。庞学(xué )峰给(gěi )记(jì )者(zhě )算了一笔(bǐ )账(zhàng ):种植(zhí )燕(yàn )麦草(cǎo ),只搞“雨养”农(nóng )业,不使(shǐ )用(yòng )地下水。成本下降,加上轮(lún )作和“水(shuǐ )改(gǎi )旱(hàn )”补贴,亩(mǔ )效(xiào )益可(kě )比种(zhǒng )甜(tián )菜(cài )增加(jiā )200元(yuán )人民币左右。
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