Question: asking about fertilizer doses of ridge gourd. 
Answer: apply the recommended doses of fertilizer- urea- 6 kg, super- 25 kg, potash 7 kg and 2 kg of borax per bigha of land. apply half of urea, full doses of other fertilizer should be mixed with soil 4-5 days before seed sowing and half doses of urea should be broadcast 30 days after sowing.