如(rú )今燕(yàn )麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐旱作物“当家”,以水定粮改变了察汗淖尔湿地周边农(nóng )业形态。庞(páng )学峰给(gěi )记(jì )者算了一笔账:种植(zhí )燕麦草,只(zhī )搞“雨养”农业(yè ),不使用地下水。成(chéng )本下降,加(jiā )上轮作和“水改旱”补贴(tiē ),亩效益(yì )可比种甜菜增加200元(yuán )人民币(bì )左右。 -
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