Effect On Yield
This is variable since it depends on viral strain, time of infection and rate of spread. Most severe losses are from early infections and can be as high as 50%.
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Famous quotes containing the words effect on, effect and/or yield:
“We are such docile creatures, normally, that it takes a virus to jolt us out of life’s routine. A couple of days in a fever bed are, in a sense, health-giving; the change in body temperature, the change in pulse rate, and the change of scene have a restorative effect on the system equal to the hell they raise.”
—E.B. (Elwyn Brooks)
“I don’t know what effect these men will have upon the enemy, but, by God, they terrify me.”
—Arthur Wellesley, 1st Duke Wellington (1769–1852)
“I believe that there is a subtle magnetism in Nature, which, if we unconsciously yield to it, will direct us aright. It is not indifferent to us which way we walk.”
—Henry David Thoreau (1817–1862)