Determination of biotin in beet molasses withNeurospora crassa Shear and Dodge as a test-organism Elias MelinBirgitta Norkrans OriginalPaper Pages: 2 - 10
Utilisation des engrais phosphatés par les plantes, après leur absorption dans le sol G. BarbierJ. ChabannesA. Marquis OriginalPaper Pages: 11 - 17
Neuere Beobachtungen über die Ursachen der Dörrfleckenkrankheit beim Hafer L. GisigerA. Hasler OriginalPaper Pages: 18 - 50
The influence of microorganisms on the phosphate intake by the plant F. C. Gerretsen OriginalPaper Pages: 51 - 81
Reaction changes in the life-medium of plants caused by differential intake of ions T. Menachem-Starkmann OriginalPaper Pages: 82 - 93
Importance of molybdenum in the nitrogen metabolism of microorganisms and higher plants E. G. Mulder OriginalPaper Pages: 94 - 119