如(rú )今燕麦草、小(xiǎo )杂粮、覆(fù )膜马铃薯(shǔ )等耐旱作物“当(dāng )家(jiā )”,以水定粮改变了(le )察(chá )汗淖(nào )尔湿地周边(biān )农业形态。庞学峰给记者算了一笔账:种植燕麦草,只搞“雨养”农业,不使用地(dì )下水。成本下降,加上轮(lún )作(zuò )和“水改旱(hàn )”补贴(tiē ),亩效(xiào )益可比种甜菜增加200元人(rén )民币左(zuǒ )右。 -
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