如今燕麦草、小杂粮(liáng )、覆膜马铃薯(shǔ )等耐旱作物“当(dāng )家”,以水定粮改变了察汗淖(nào )尔湿(shī )地周边农业形态。庞学峰给记者算了一笔(bǐ )账(zhàng ):种植(zhí )燕麦草,只搞“雨养”农业,不使用地(dì )下水。成本下降(jiàng ),加(jiā )上(shàng )轮作和“水改(gǎi )旱”补贴,亩效益可比种甜菜(cài )增加200元人(rén )民币左(zuǒ )右。
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