如今(jīn )燕麦草、小(xiǎo )杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以水定(dìng )粮改变(biàn )了察汗(hàn )淖(nào )尔湿地周边农(nóng )业(yè )形(xíng )态。庞学峰给记(jì )者算了一笔账:种植燕麦草,只搞“雨养”农业,不使用地下(xià )水。成本(běn )下降,加上(shàng )轮作和“水改旱”补贴,亩(mǔ )效(xiào )益可比种甜菜增加200元人民币左右。 -
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