Soil-nitrogen studies at Urambo, Tanganyika Territory, East Africa F. Hagenzieker OriginalPaper Pages: 97 - 113
Comparison of availability of phosphorus from granulated and powdered superphosphate by calculations of yield curves related to the phosphorus added and found in soil and plant tests J. Hagin OriginalPaper Pages: 114 - 130
The determination of aluminium in soil, ash and plant materials using Eriochrome Cyanine R.A. L. H. JonesD. A. Thurman OriginalPaper Pages: 131 - 142
Die Problematik der Bodenverdünnung durch Sand bei der pflanzenphysiologischen Gefässmethode zur Bestimmung des im Boden vorhandenen pflanzenaufnehmbaren Nährstoffvorrates P. Schäfer OriginalPaper Pages: 143 - 159
Copper: Its effects on the growth and composition of the rubber plant (Hevea brasiliensis) E. W. Bolle-Jones OriginalPaper Pages: 160 - 178
The disappearance of leaf litter under different woodland conditions K. L. BocockO. J. W. Gilbert OriginalPaper Pages: 179 - 185
Micro-nutrient deficiency and wilting in the radish K. H. Schütte Letter To The Editors Pages: 186 - 188