如今燕麦草、小杂(zá )粮、覆膜马铃(líng )薯(shǔ )等耐旱作物“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(fēng )给记者算了一(yī )笔账:种植燕麦草,只搞“雨(yǔ )养”农(nóng )业(yè ),不使(shǐ )用地(dì )下水。成本下降,加上轮作和“水(shuǐ )改旱”补(bǔ )贴,亩效益(yì )可比种甜菜增(zēng )加200元人民币左(zuǒ )右。 -
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