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- Stockberger, W.W.
- Agronomy journal 1916 v.8 no.3 pp. 167-175
- Humulus lupulus, etc ; crop yield; statistical analysis; Show all 3 Subjects
- ... In field experiments with hops, including fertilizer tests and variations in cultural methods, a number of the common methods for determining the normal yield of treated plots have been found of little value. Normal yields for various plots varied widely according to the method of competition, the values in some cases differing from the actual yield by as much as 40 percent. The errors introduced ...