如(rú )今(jīn )燕(yàn )麦草、小杂(zá )粮、覆膜马铃(líng )薯等耐旱作物“当家(jiā )”,以(yǐ )水定粮改变了察汗淖尔湿地周边(biān )农(nóng )业形态。庞学峰(fēng )给记(jì )者算了一笔账(zhàng ):种植(zhí )燕麦草(cǎo ),只搞(gǎo )“雨养”农业,不使(shǐ )用地下水。成本下降,加上轮作和“水改旱”补贴,亩效益可比种甜菜增加200元人民币左(zuǒ )右。 -
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