What is 'Covariance'. Covariance is a measure of the degree to which returns on two risky assets move in tandem. A positive covariance means that asset returns move together, while a negative covariance means returns move inversely.
23 September 2016. The heaviest red cabbage weighs 23.2 kg (51.15 lb) and was grown by David Thomas (UK), as verified at the UK National Giant Vegetables Championship in Malvern, UK, on 23 September 2016. David also holds the current record for Heaviest parsnip and Heaviest cucumber.
1 Most early varieties will produce 1- to 3-pound heads. 2  Cut each cabbage head at its base with a sharp knife. After harvesting, bring inside or put in shade immediately.  To get two crops from early cabbage plants, cut the cabbage head out of the plant, leaving the outer leaves and root in the garden.