如今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改(gǎi )变了察(chá )汗(hàn )淖(nào )尔湿地(dì )周(zhōu )边农业形态。庞学峰给记者(zhě )算(suàn )了一笔账:种植燕麦草,只搞“雨养”农业,不使用地下(xià )水(shuǐ )。成本下降,加上(shàng )轮作和“水改旱”补贴,亩效(xiào )益(yì )可比(bǐ )种甜菜增加(jiā )200元人民币(bì )左右。
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