如(rú )今燕(yàn )麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变了察汗淖尔湿(shī )地周边农(nóng )业形态。庞学峰(fēng )给记者算了一笔账:种植燕麦草(cǎo ),只搞(gǎo )“雨养(yǎng )”农业(yè ),不使(shǐ )用地下水。成本下降(jiàng ),加上轮作和(hé )“水改旱”补贴(tiē ),亩效益可比种甜菜增(zēng )加200元人民币左右。 -
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