Analysis and Improvement of Livestock Wastes Collection System in Rural Areas — A Case Study of Erhai Lake Watershed

Housing feeding is scattering in most part of China. The dislocation between the date of getting livestock wastes out and the fertilization date and also a shortage of supervision have been making a serious loss of livestock wastes and be a reason of agricultural non-point source pollution. The collection mode which befits the northern valley of Erhai Lake is proposed by considering the characteristics of rural non-point source pollution and the status of wastes collection and treatment facilities. The conclusion that the decentralized collection should be taken the place of centralized collection is also come to at last.