Angry over the drop in onion prices, farmers on Thursday briefly stopped auctions at the Lasalgaon APMC, the country's largest wholesale market of the key kitchen staple in Maharashtra's Nashik district.The farmers demanded removal of the 20 per cent export duty on onions and an aid of Rs 1,000 to Rs 1,200 per quintal of the produce, the APMC officials said.Onion prices have been witnessing a decline since the last few days.However, as the prices dropped drastically at the Lasalgaon Agriculture Produce Market Committee (APMC), onion farmers stopped the auctions and registered their protest on Thursday, the officials said.Around 1,500 vehicles of onions arrived for auction at the APMC on Thursday.In the morning session, the minimum price was Rs 800 per quintal, maximum Rs 2,900 per quintal and an average Rs 1,900 per quintal, as per the officials.As the auctions began, the auctioneers announced the prices at Rs 1,200 to Rs 1,500 per quintal.Angry over it, farmers stopped t