Digital table data of forest-cover, irrigated and rain-fed agriculture, fertilizer use and cropping intensity of Koshi Basin. This dataset is compiled using data sources from Statistical information on Nepalese agriculture, MoAD(2012); National sample census of agriculture (2001/02), Nepal; Government of India (GoI)(2011); Governemt of Bihar, Economic Survey (2011-2012) and Tibet Statistical Year Book, 2012