3 treff

The physiology of crop yield
Hay, Robert K. M.
Bok Engelsk 2006
Volatile oil crops : their biology, biochemistry and production
edited by: Robert K. M. Hay and Peter G. ...
Bok Engelsk 1993
An Introduction to the physiology of crop yield
Robert K. M. Hay and Andrew J. Walker
Bok Engelsk 1989