如今燕麦草、小杂粮、覆膜(mó )马铃薯等耐旱作物“当家”,以(yǐ )水定粮改(gǎi )变了察汗淖(nào )尔湿地(dì )周边农业(yè )形态。庞学(xué )峰给记者算了一(yī )笔账:种植燕麦草,只搞“雨养”农业,不(bú )使(shǐ )用地(dì )下水。成本下降,加上(shàng )轮作(zuò )和“水改旱”补贴,亩效(xiào )益可比种甜(tián )菜(cài )增加200元人民币(bì )左右。 -
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