如今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以(yǐ )水定粮改变(biàn )了察(chá )汗(hàn )淖(nào )尔湿(shī )地周边(biān )农(nóng )业形态。庞学峰给记者算了一笔账(zhàng ):种植燕麦草,只搞“雨(yǔ )养”农业,不使(shǐ )用地下水。成本下降(jiàng ),加上轮(lún )作和“水(shuǐ )改旱”补贴,亩效益可比(bǐ )种甜菜增加(jiā )200元人民币左右。
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