如(rú )今燕麦草、小杂粮、覆(fù )膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮改变了察汗(hàn )淖尔湿地周边农业(yè )形(xíng )态。庞学峰给记者算了一笔账:种植燕麦草(cǎo ),只搞“雨养”农(nóng )业(yè ),不使用地(dì )下(xià )水。成本下降,加上(shàng )轮作和“水改(gǎi )旱”补贴(tiē ),亩效益(yì )可比种甜菜增加200元人民币左(zuǒ )右。 -
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