如今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改变(biàn )了察汗淖尔(ěr )湿地周边农业形态。庞学峰给记者(zhě )算了一(yī )笔账:种(zhǒng )植(zhí )燕麦草,只搞“雨养”农业,不使(shǐ )用地下水。成本下(xià )降,加上(shàng )轮作和“水改旱”补(bǔ )贴,亩效(xiào )益(yì )可比(bǐ )种甜(tián )菜增加200元人民币(bì )左右。
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