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  如(rú )今(jīn )燕麦(mài )草、小(xiǎo )杂粮、覆膜(mó )马铃薯(shǔ )等耐旱作物“当家”,以水定粮改(gǎi )变了察(chá )汗(hàn )淖(nào )尔湿地周(zhōu )边农业形态。庞学峰(fēng )给记者算了一笔账:种植燕麦草,只搞“雨养”农(nóng )业,不使用(yòng )地(dì )下(xià )水(shuǐ )。成本(běn )下(xià )降(jiàng ),加上(shàng )轮(lún )作和“水(shuǐ )改(gǎi )旱(hàn )”补(bǔ )贴(tiē ),亩效益(yì )可比(bǐ )种甜菜增加200元(yuán )人(rén )民(mín )币左右。

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