The leaf-spot diseases of alfalfa and red clover caused by the fungi pseudopeziza medicaginis and pseudopeziza trifolii, respectively

Verfasser / Beitragende:
by Fred Reuel Jones
Ort, Verlag, Jahr:
Washington : Government Printing Office, 1919
Beschreibung:
38 p. : ill.
Format:
Buch
ID: 426315650