如今燕麦草、小杂(zá )粮、覆膜马铃薯(shǔ )等耐旱作物(wù )“当家”,以(yǐ )水定粮改变了察(chá )汗淖(nào )尔湿地周边(biān )农业(yè )形态。庞学(xué )峰给记者算了(le )一笔账:种植(zhí )燕麦草,只搞(gǎo )“雨养(yǎng )”农(nóng )业,不使用(yòng )地(dì )下水。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元人民币左右。
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