Question: asking abouth package and practices of potato. 

Answer: sowing time- mid october- mid november
 seed rate- 3quintal/bigha
spacing- furrow to furrow- 50 cm and plantto plant- 30-40 cm
 varieties- kufri chandramukhi, kufri jyoti, kufri pukhraj, kufri sinduri. 
fertilizer dose- apply urea 19 kg, super 45 kg and potash 12 kg, if you do not want to apply urea and super then please apply dap 20 kg per bigha of land. mix the whole ferilizer and thn apply into the furrows and cover with athin layer of soil and then sow the potato seed in the furrows. 
seed treatment: before owing please treate the potato tuber with the help of any one fungicide like trichoderma viridi 10 gram/liter of water, indofil m-45 3 gram/liter of water, keep it for 20-30 minutes and thed spread in polythene sheeth or gunny bag in a single layer for 2 days. on 3rd day you can sow the seed in the furrows.