如(rú )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(hàn )淖尔湿地周边(biān )农业形(xíng )态。庞学峰给记(jì )者算了一笔账:种植(zhí )燕麦草,只搞“雨养”农业(yè ),不使(shǐ )用地下水(shuǐ )。成本下降,加上(shàng )轮作和(hé )“水改旱”补贴,亩(mǔ )效(xiào )益(yì )可比种(zhǒng )甜菜增加200元人民币左(zuǒ )右。 -
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