如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐(nài )旱作物(wù )“当家”,以水定粮改(gǎi )变了察汗淖尔湿地周边(biān )农(nóng )业形态。庞学峰给记者算了一笔账(zhàng ):种植燕麦草,只搞(gǎo )“雨养”农业,不(bú )使用地(dì )下水(shuǐ )。成本下降,加(jiā )上(shàng )轮作和“水改旱”补贴,亩效益可比种甜菜增加200元人(rén )民币左右。
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