Читать книгу Sweet-Clover Seed - H. S. Coe - Страница 3
Оглавление| UNITED STATES DEPARTMENT OF AGRICULTURE | ||
| BULLETIN No. 844 Contribution from the Bureau of Plant Industry WM. A. TAYLOR, Chief | ||
| Washington, D. C. | PROFESSIONAL PAPER | August 11, 1920 |
Part I.—Pollination Studies of Seed Production
Part II.—Structure and Chemical Nature of the Seed Coat and its Relation to Impermeable Seeds of Sweet Clover
By H. S. Coe, formerly Assistant Agronomist, Office of Forage-Crop Investigations, and J. N. Martin, Professor of Morphology and Cytology, Iowa State College.
