如今燕麦草、小杂粮、覆膜马(mǎ )铃薯等耐旱作物“当家”,以水定粮改变(biàn )了察汗淖(nào )尔(ěr )湿地(dì )周边农业形态。庞学峰给记者算了一(yī )笔账(zhàng ):种植燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用地下水。成本下降,加上(shàng )轮作和“水(shuǐ )改(gǎi )旱”补贴,亩效(xiào )益可比种甜菜增加(jiā )200元人(rén )民币左右。
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