如今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮改变了察(chá )汗(hàn )淖尔湿地周边农业形态。庞学峰给(gěi )记(jì )者(zhě )算了(le )一笔账:种植燕麦草,只搞“雨养”农业,不使用(yòng )地(dì )下水。成(chéng )本下降(jiàng ),加上(shàng )轮作和“水改旱”补贴,亩效益可比种甜菜增(zēng )加200元人民(mín )币左右。
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