Russian thistle silage
1940
Donaldson, F.T. | Goering, K.J.
1. Analyses of Russian thistles showed these plants to be equivalent to alfalfa in protein and fat content and superior in their carbohydrate-cruide-fiber ratio. The thistles had a high mineral content with the K2O running over 8%. It was pointed out that the high P(2)O(5) content (0.78%) may enhance the feeding value of the thistles in areas known to produce phosphorus-deficient forages. 2. In order to determine the possibility of preserving the immature plants in a succulent condition, laboratory trials were made of three types of Russian thistle silage. The first consisted of thistles plus 3% sucrose; the second, untreated thistles; and the third, thistles plus 1% H(3)PO(4). Chemical analysis of the silage indicated that good silage could be prepared with the addition of either sugar of H(3)PO(4), but that poor silage would probably result from the use of untreated thistles.
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