如今燕麦草、小杂(zá )粮(liáng )、覆膜马(mǎ )铃(líng )薯等耐旱作物(wù )“当家”,以水定粮改变了(le )察(chá )汗(hàn )淖尔湿(shī )地(dì )周边农(nóng )业形(xíng )态。庞学峰(fēng )给记者(zhě )算了一笔(bǐ )账(zhàng ):种植(zhí )燕麦(mài )草,只搞“雨(yǔ )养”农业,不使用地下(xià )水(shuǐ )。成本下(xià )降,加(jiā )上(shàng )轮作和“水改旱”补(bǔ )贴,亩效益(yì )可比种甜(tián )菜(cài )增加200元人民(mín )币左(zuǒ )右。
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