如(rú )今燕麦草、小杂粮、覆膜马铃薯等耐旱作物“当家”,以水(shuǐ )定粮改变了察汗(hàn )淖(nào )尔湿(shī )地周边(biān )农业(yè )形(xíng )态。庞学峰给记者算(suàn )了一笔账:种植燕(yàn )麦草,只搞“雨养”农业,不使(shǐ )用地(dì )下(xià )水。成本下降,加(jiā )上轮作和“水(shuǐ )改旱”补贴,亩效益可比种甜菜增加(jiā )200元人民币左右。
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