Question: asking about the ridge gourd planting 

Answer: row to row distance=1.5 to 2.5 m
sowing time of ridge gourd= jan to may 
fertiliser dose= 15 to 20 q, urea-12 kg, ssp= 24 kg  potash=6kg/ bigha. 
half dose of urea and full dose of super and potash should be done.
remaining half dose of urea should be spray  after 1 month.