TAMASA Nigeria. Nutrient omission trials (NOT) yield data for 2016

This dataset consists of result of NOT for the 95 on-farm field trial sites x 2 varieties (Hybrid and OPV) x 6 treatments (Control, PK, NK, NP, NPK, NPK+S+Ca+Mg+Zn+B). The dataset is divided into eight sheets; Metadata, Variable, Sites information, Timing Parameters, Yield Parameters, Grain Yield Data Summary and Data History. 'Metadata' give summary...