5 treff

Plucknett Donald L.
Gene banks and the world's food
Donald L. Plucknett ... [et al.]
Bok Engelsk 1987
Networking in international agricultural research
Donald L. Plucknett, Nigel J.H. Smith, an...
Bok Engelsk 1990
Azolla as a green manure : use and management in crop production
Thomas A. Lumpkin and Donald L. Plucknett...
Bok Engelsk 1982
The World's worst weeds : distribution and biology
LeRoy G. Holm, Donald L. Plucknett, Juan ...
Bok Engelsk 1991
Crop tolerance to suboptimal land conditions : proceedings of a symposium : the papers were presented during the annual meeting in Houston, Texas, November 28-December 3, 1976
sponsored by Divisions A-6 ... [et. al.] ...
Bok Engelsk 1978