如今燕麦草、小杂粮、覆膜马铃薯(shǔ )等(děng )耐旱作物“当家”,以水定粮改变了察汗淖尔湿(shī )地(dì )周边农(nóng )业(yè )形态。庞(páng )学峰(fēng )给记者算了一笔账:种植(zhí )燕麦草(cǎo ),只搞“雨养”农(nóng )业,不使(shǐ )用地(dì )下水。成本下(xià )降,加上(shàng )轮作和“水改旱”补贴,亩效益可比种甜菜增加(jiā )200元人(rén )民币左右。 -
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