questions: query about manure and fertilizer of potato. 
 answers: manure and fertilizer of potato: well decomposed fym/compost @ 1.33t/bigha should be applied in the furrows before planting.
urea: 19kg, ssp: 45kg, mop: 12 kg/bigha. entire quantity of mixed fertilizers should be applied in furrows as basal application and be covered with thin layer of soils so that the tubers do not come into direct contact with the fertilizer.