如(rú )今(jīn )燕麦草、小(xiǎo )杂粮(liáng )、覆膜(mó )马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了(le )察汗淖尔湿地周边(biān )农(nóng )业形态。庞(páng )学峰(fēng )给记者算了(le )一笔账:种植燕(yàn )麦(mài )草(cǎo ),只搞(gǎo )“雨养”农业(yè ),不使(shǐ )用(yòng )地下水。成本下(xià )降(jiàng ),加(jiā )上(shàng )轮(lún )作和“水改旱”补贴,亩效益可(kě )比种甜菜增加200元(yuán )人(rén )民币左右。
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