如(rú )今燕(yàn )麦草、小杂粮、覆(fù )膜马铃薯(shǔ )等耐旱作物“当家(jiā )”,以水定粮改变了察汗淖尔(ěr )湿地周边农业形态。庞学峰给记者算(suàn )了(le )一笔(bǐ )账:种(zhǒng )植燕麦草,只搞“雨养”农业(yè ),不(bú )使(shǐ )用(yòng )地下水。成本下(xià )降,加上轮作和“水改旱(hàn )”补贴,亩效(xiào )益可比种甜菜增加200元人民币左右。 -
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