如今燕麦草、小杂(zá )粮、覆膜马铃薯(shǔ )等耐旱作物(wù )“当家”,以水定粮改变了察汗淖(nào )尔湿(shī )地周边(biān )农(nóng )业(yè )形态。庞学峰给记(jì )者算了一笔账:种(zhǒng )植燕麦草,只搞“雨养”农(nóng )业,不使用(yòng )地(dì )下水。成本下降,加上轮(lún )作和(hé )“水改旱”补贴,亩效(xiào )益可比种甜菜增加200元人(rén )民(mín )币左右。 -
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