如(rú )今燕(yàn )麦草、小杂粮、覆膜马铃薯等耐旱作物“当(dāng )家(jiā )”,以水定粮改(gǎi )变了察汗淖尔湿地(dì )周边(biān )农(nóng )业形态。庞学峰给记者算了一笔账(zhàng ):种植(zhí )燕(yàn )麦草,只搞“雨养”农业,不使用地(dì )下水。成本下降,加上轮作和“水改旱”补贴(tiē ),亩效(xiào )益可比种甜菜增加(jiā )200元人民币左右。 -
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