如今燕(yàn )麦草、小杂粮、覆(fù )膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了察(chá )汗淖尔湿地周边(biān )农业形(xíng )态。庞学峰给记(jì )者算了(le )一笔账:种(zhǒng )植燕(yàn )麦草,只搞“雨养”农业,不使用地(dì )下水。成本下(xià )降,加(jiā )上轮作和“水改旱(hàn )”补贴,亩(mǔ )效益可比种甜菜增加200元(yuán )人民(mín )币左右。
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