如(rú )今燕麦草、小(xiǎo )杂(zá )粮、覆(fù )膜(mó )马(mǎ )铃薯等耐旱作物“当家”,以水定(dìng )粮改变了察汗淖尔湿地(dì )周边农业形态。庞学峰(fēng )给记者算了一笔账(zhàng ):种植燕麦草,只(zhī )搞(gǎo )“雨养”农业(yè ),不使(shǐ )用地(dì )下水。成本下降,加上(shàng )轮作和(hé )“水改旱”补(bǔ )贴,亩效益可比种甜菜增加200元人民币左右。
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