Carl Linnaeus, from Latin cepa), also known as the bulb onion or common onion, is a vegetable that is the most widely cultivated species of the genus Allium.
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The National Onion Association is the Onion Authority, representing growers and supporting industry throughout the United States. Go to www.onions-usa.org.
University of California's official guidelines for pest monitoring techniques, pesticides, and nonpesticide alternatives for managing pests in agriculture.
The short day onion varieties start the bulbing process when daylight length reaches 10-12 hours. They take approximately 110 days to mature in the south and ...
Onions perform best in well-drained, slightly acidic (soil pH 6-7), fertile soils in full sun. The planting site should receive at least six hours of direct sun ...
Thick copper skin, fine necks and uniform round shape; the standard for organic growers. From the breeders of Copra and Prince, Cortland is considered an ...
Bulb onions (Allium cepa) are separated into three types: short-day, medium/intermediate-day, and long-day. These onion types best correspond with latitude ( ...