Report of the Fourth International Seed Testing Congress = : Compte rendu du 4me Congrès International d'Essais de Semences = Bericht über den IV Internationalen Kongress für Samenprüfung.
International Seed Testing Congress(4th :1924 :Cambridge, England)
International Seed Testing Association.
London : H.M.S.O.,
1925.
Contributions in English, French or German; with summaries in English, French and German.
Includes bibliographical references.
Seeds
Seed industry and trade