如(rú )今燕麦(mài )草、小(xiǎo )杂(zá )粮、覆膜马铃薯(shǔ )等耐旱作物“当家”,以水定粮改变了察汗淖尔湿地周边农业(yè )形态。庞学峰(fēng )给记(jì )者算了(le )一笔账:种(zhǒng )植燕麦草,只搞“雨养”农业,不使(shǐ )用地(dì )下水。成本下降,加上轮作和“水改旱”补(bǔ )贴,亩效(xiào )益可比种(zhǒng )甜菜增加200元人民币左右。 -
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