如今燕麦草、小(xiǎo )杂粮、覆膜马铃薯等耐旱作物“当家”,以水定粮改变了察(chá )汗淖(nào )尔湿(shī )地周边农(nóng )业形态。庞(páng )学峰给(gěi )记者算了一笔账:种植燕(yàn )麦草,只搞“雨养”农业(yè ),不(bú )使(shǐ )用地下(xià )水(shuǐ )。成本下降(jiàng ),加上轮作和“水改旱”补贴,亩效(xiào )益可比(bǐ )种甜菜增加200元人民币左右。
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