如(rú )今(jīn )燕(yàn )麦草、小(xiǎo )杂(zá )粮、覆(fù )膜马铃薯等耐旱作物“当家”,以水定(dìng )粮改(gǎi )变了察汗(hàn )淖尔湿地周边(biān )农业形态。庞学峰给记者算了一笔账:种植(zhí )燕麦草(cǎo ),只搞“雨养”农业,不使(shǐ )用地下水。成本下(xià )降,加上轮作和“水(shuǐ )改旱”补贴,亩效益可比种甜菜增加200元人民币左右。
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