如(rú )今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当(dāng )家”,以(yǐ )水(shuǐ )定粮改(gǎi )变(biàn )了察汗淖(nào )尔湿地周边农(nóng )业形态。庞学峰给记(jì )者算了一笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用(yòng )地下水。成本下(xià )降,加上轮作和“水(shuǐ )改旱”补贴,亩效益(yì )可比种甜菜增加200元人民币左右。 -
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