Question: asking for the manures and fertilizers dose in terms of per bigha of land for onion crop cultivation.
Answer: 18, 41, 11 and 300 kilo grams of urea, single super phosphate, muriate of potash and farm yard manures respectively have been suggested as the manures and fertilizers dose in terms of per bigha of land for onion crop cultivation. 15 kh of urea and full doses of others has been suggested to apply as basal during final land preparation and remaining 3 kg of urea to be top dressed after 30-40 days.