如今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以水定粮改变了察汗淖尔湿地(dì )周边农业形态。庞学峰给(gěi )记(jì )者算了(le )一笔账(zhàng ):种植(zhí )燕麦草,只(zhī )搞“雨养”农(nóng )业,不使(shǐ )用地(dì )下水(shuǐ )。成本下降(jiàng ),加上轮(lún )作和“水改(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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