如今(jīn )燕麦草、小杂(zá )粮、覆(fù )膜马铃薯等耐旱作物“当家”,以水定(dìng )粮改变了(le )察汗淖尔湿地周边农业形态。庞学峰给记者算了(le )一笔账:种植(zhí )燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用(yòng )地下水。成(chéng )本下降,加(jiā )上轮作(zuò )和“水改旱”补贴,亩效(xiào )益可比种甜菜(cài )增加(jiā )200元人民(mín )币左右。
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