"year","region","crop","fert_subsidy (%)","land area (ha)","yield (kg/ha)","production (kg)","Nfert (kg/ha)" "2016","pongo","cassava",-40.00,152438.29,813.07,123943100.13,13.90 "2016","pongo","groundnuts",-40.00,307860.42,498.54,153479944.82,22.28 "2016","pongo","maize",-40.00,93546.82,1205.32,112754140.28,176.50 "2016","pongo","sesame",-40.00,536506.80,350.11,187836787.74,28.60 "2016","pongo","sorghum",-40.00,433601.65,1635.01,708944897.49,77.32