Much of the red clover seed grown in the United States is cleaned and its germination and purity determined soon after it is harvested. The results of these tests are usually accepted as being descriptive of the quality of the seed at seeding time the following spring and frequently over a much longer period of storage.
Proceedings of the Iowa Academy of Science
©1944 Iowa Academy of Science, Inc.
Martin, John N.
"Changes in the Germination of Red Clover Seed in Storage,"
Proceedings of the Iowa Academy of Science, 51(1), 229-233.
Available at: https://scholarworks.uni.edu/pias/vol51/iss1/20