my eyes to tear when I peel an onion?". Ask the Experts: Chemistry. Scientific American. සම්ප්‍රවේශය 2007-04-28.↑ 43.0 43.1 "FAQ". National Onion Association. සම්ප්‍රවේශය 2013-03-28.↑ Hiskey, Daven (2010-11-05). "Why onions make your eyes water". Today I found out. සම්ප්‍රවේශය 2013-03-28.↑ Staunton, Margot (2008-02-01). "Scientists create 'no tears' onions". News.com.au. 2009-07-17 දින මුල් පිටපත වෙතින් සංරක්ෂණය කරන ලදී. සම්ප්‍රවේශය 2013-02-28.↑ Boyhan, George E.; Kelley, W. Terry (eds.) (2007). "2007 Onion Production Guide". Production Guides. University of Georgia: College of Agricultural and Environmental Sciences. සම්ප්‍රවේශය 2013-09-14. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)↑ Savonen,Carol (2006-07-13). "Onion bulb formation is strongly linked with day length". Oregon State University Extension Service. සම්ප්‍රවේශය 2013-09-14.↑ 48.0 48.1 48.2 "Onions: Planting, Growing and Harvesting Onion Plants". The Old Farmer's 