"year","region","crop","fert_subsidy (%)","land area (ha)","yield (kg/ha)","production (kg)","Nfert (kg/ha)"
"2016","pongo","cassava",-30.00,507811.67,0.60,306165.45,0.00
"2016","pongo","groundnuts",-30.00,507811.67,0.44,222396.64,0.00
"2016","pongo","maize",-30.00,518.99,138.02,71632.45,0.00
"2016","pongo","sesame",-30.00,507811.67,0.15,74371.31,0.00
"2016","pongo","sorghum",-30.00,0.00,4.8654241E+9,4865424.11,1.00