如(rú )今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱(hàn )作物“当家(jiā )”,以水定粮改变了(le )察(chá )汗淖尔湿地周边(biān )农业形态。庞学峰给(gěi )记者算了一笔账:种植燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地下水。成(chéng )本下降(jiàng ),加上轮(lún )作(zuò )和“水改旱”补(bǔ )贴(tiē ),亩效益可比种甜菜增(zēng )加200元人民币左(zuǒ )右。 -
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