questions: farmer asking query regarding ridge gourd 
 answers: fertility management of potato:
application of fym or compost @ 1.3t per bigha
urea -  5.9kg/bigha
ssp    -  25.2kg/bigha
mop  -  6.8kg/bigha
 sowing time - january- may
spacing - row to row- 1.5-2.5 meter
plant to plant - 60cm - 1.2 meter