如今燕麦草、小杂粮、覆膜马铃(líng )薯(shǔ )等耐旱作物“当家”,以水定(dìng )粮改变了察汗淖尔(ěr )湿地周边农(nóng )业形态。庞(páng )学峰给(gěi )记(jì )者算了一笔账:种植燕麦草,只搞(gǎo )“雨养”农业,不使(shǐ )用地(dì )下水。成本下降,加上(shàng )轮(lún )作和“水改旱”补贴,亩效(xiào )益可比种甜菜增(zēng )加(jiā )200元人民币左右。 -
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