Sweet clover is one of our leading forage crops. Its value as such is materially decreased by the large per cent of impermeable seeds which do not germinate the first year. This increases the expense of seeding. Furthermore, such seeds may germinate in later years and the plant become a weed.
Proceedings of the Iowa Academy of Science
©1930 Iowa Academy of Science, Inc.
Watt, John R.
"Simultaneous Development of the Seed Coat and Embryo in the Seeds of Sweet Clover,"
Proceedings of the Iowa Academy of Science, 37(1), 117-123.
Available at: https://scholarworks.uni.edu/pias/vol37/iss1/24