questions: query about fertilizer dose. 
 answers: fym or compost @ 1.33 tonne.
a. irrigated area: urea- 19kg, ssp- 90kg and mop- 24 per bigha.
b. rainfed area: urea- 19kg, ssp- 45kg, mop- 12kg per bigha.
entire quantity of mixed fertilizers should be applied in furrows as basal application and be covered with a thin layer of soils so that tubers donot came into direct contact with the fertilizers.