Performance of perennial ryegrass (Lolium perenne L.) seed crop under water stress conditions /
by Theodosius Marmaduke Velloza .
- 1998.
- [xiv], 135 p. ill., graphs.
Thesis (Ph. D.) - Oregon State University, 1998.
Bibliography: p. 118-124
Lolium perenne--Effect of stress on. Crops and water.