Question: query regarding pop of bottlegourd
Answer: varieties: pusa summer prolific long, pusa summer prolific round, pusa meghdoot and pusa manjiri, pusa meghdoot: 
soil: well drained sandy loam soil rich in organic matter with ph 6.0-7.0. 
seed rate:  summer: 300 g /bigha. 
sowing time: summer: june – july 
spacing: (row to row x plant to plant) 2.0-3.0 m x 1.0-1.5 m (summer) 
manure and fertilizer: fym @ 2 t, urea 16 kg, ssp 46 kg and mop 24 kg/bigha. half of urea and full doses of fym, ssp and mop should be applied as basal and the remaining half of urea to be top dressed at fruit-set. 
irrigation: at 8-10 days interval during dry spell