Question: asking about the cultural practices of cabbage
Answer: recommended to 
spacing- 45cm to 45cm
fertilzer- urea- 36 kg/bigha, ssp-50kg/bigha, mop-13kg/bigha, borax- 8kg/bigha (application of fertilizer in the time of land preparation- main field)
seed- maheco or syngenta company any variety
nursery
about 100 sq.m nursery area is required for raising plants for one hectare area. apply fym at 300 kg, and 10 kg of no.5 mixture (9:9:9) along with 50 g of sodium molybdate and 100 g of borax. sow the seeds at 10 cm between rows in raised seed beds after drenching it with copper oxychloride (2.5 g/lit).  transplant 40 - 45 days old seedlings at a spacing of 45 cm.
seed treatment- treat the seeds in hot water @ 50?c for 30 minutes