Sewage sludge is one of fertilizer which contains high organic matter?nitrogen?phosphorous and lower potassium and its application in farmland can improve the growth of plant and soil fertilizer, so the treatment of sewage sludge are showing a tendency o
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谭启玲,胡承孝,赵斌,陈黎,吴礼树. Recent Avance in Agricultural Disposal of Sewage Sludge[J]. Jorunal of Huazhong Agricultural University,2002,21(6).