如今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家(jiā )”,以水定粮改(gǎi )变了(le )察汗淖尔湿地周边农业形态。庞学峰给(gěi )记者(zhě )算了一笔(bǐ )账(zhàng ):种植燕(yàn )麦草,只搞“雨养(yǎng )”农(nóng )业(yè ),不使用地(dì )下水。成本下降,加上轮作和“水改旱”补贴,亩效(xiào )益(yì )可比种(zhǒng )甜菜增加200元人民币左右。
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