Question: asking about cultivation practices of potato
Answer: varieties 
kufri jyoti, kufri muthu, kufri swarna, kufri thangam, kufri malar, kufri soga and kufri giriraj are commonly cultivated.

soil 
the soil should be friable, porous and well drained. the optimum soil ph range is 4.8 to 5.4. it prefers a cool weather. potato is mostly grown as a rainfed crop in regions receiving a rainfall of 1200 – 2000 mm per annum.
seed rate 
about 3000 – 3500 kg/ha of seeds is required.

seed treatment
use indofil m 45 4g/lit of water
preparation of field 
prepare the land to fine tilth.  in hills provide an inward slope in the terraces. provide drainage channel along the inner edge of the terrace. form ridges and furrows with a spacing of 45 cm between ridges either by hand hoe or ridger.

planting
use disease free, well spouted tubers weighing 40 – 50 grams for planting. plant the tubers at 20 cm apart.
fertilizer:
urea 6kg,ssp 29kg and mop 22kg/bigha