Abstract In this study, we investigated the distribution and principal sources of macronutrients (N, P, K, S) in groundwater agro-pastorally dominated North Cameroon. Graphical methods multivariate statistics were used to understand impact land use regional geology on nutrient concentrations (K + , NO 3 ? SO 4 2? PO 3? ). Groundwater was acidic (median pH 6.8) more mineralized (EC range = 35–25...