Fan, Liang-qian; Chen, Feng-hui - In: Asian Agricultural Research 04 (2012) 09
Taking Zhejiang Province as an example, we use the JOHNES export coefficient model to estimate the total nitrogen (TN) and total phosphorus (TP) load of agricultural planting, livestock and poultry breeding and rural living non-point source in 2009. Based on the protection cost method in...