如(rú )今燕麦草(cǎo )、小杂(zá )粮、覆膜马铃(líng )薯等耐旱作物“当(dāng )家”,以水定粮改变了察汗淖尔(ěr )湿地周边农业形态。庞学(xué )峰给记者算了一笔账(zhàng ):种植(zhí )燕麦草(cǎo ),只(zhī )搞“雨养(yǎng )”农业(yè ),不使用地(dì )下水(shuǐ )。成本下降,加上轮作和“水改旱”补贴(tiē ),亩效益可比种甜菜增加200元人(rén )民币(bì )左右。 -
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