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Idaho Agricultural Experiment Station
ABSTRACT
In the three previous papers from this station the vitamin A activity of the following six pasture plants were reported: white clover, Kentucky bluegrass, timothy, red top, alfalfa, and smooth brome. The plants reported herein are sweet clover, orchard grass, and meadow fescue. These nine pasture plants are probably more universally used in pasture mixtures than any other plants. Although alfalfa is included in the list it is not used extensively as a pasture crop. Its vitamin A activity in the fresh green state is of interest, however, for comparison with reports on the vitamin A activity of alfalfa hay.
Because of previous literature reviews, citations will be limited to those pertinent to this report. The orchard grass and meadow fescue studied were grown under irrigation at the Caldwell Substation of the Idaho Agricultural Experiment Station. In addition to second-year sweet clover under the same conditions, both first-year and second-year non-irrigated sweet clover grown at Moscow were studied.
* Published with the approval of the Director as Research Paper No. 138 of the Idaho Agricultural Experiment Station.
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