如今燕麦草、小杂粮、覆膜马铃薯等耐旱(hàn )作物“当家”,以水定粮改变了察汗(hàn )淖尔湿地周边农业形态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨养”农业,不使(shǐ )用(yòng )地(dì )下(xià )水。成本下(xià )降,加上轮作和“水改旱”补贴,亩效(xiào )益(yì )可比种(zhǒng )甜(tián )菜增(zēng )加200元(yuán )人(rén )民币(bì )左右。 -
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