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Input-Output Model of Nitrogen at the Rembangan River Caused by Fertilization on Coffee Plantations
(J. Basic Appl. Sci. Res., 1(3): 189-200, 2011, 2011-02-01)
In general, agricultural wastes that pollute rivers are liquid wastes that come from the activity of
plant fertilization. This waste is a type of non-point source of waste. One of macro elements
contained in the fertilizer ...