"year","region","crop","fert_subsidy (%)","land area (ha)","yield (kg/ha)","production (kg)","Nfert (kg/ha)"
"2016","pongo","cassava",-10.00,507883.17,0.60,306165.45,0.00
"2016","pongo","groundnuts",-10.00,507883.17,0.44,222396.64,0.00
"2016","pongo","maize",-10.00,304.50,235.24,71632.45,0.00
"2016","pongo","sesame",-10.00,507883.17,0.15,74371.31,0.00
"2016","pongo","sorghum",-10.00,0.00,4.8654241E+9,4865424.11,1.00