Uptake and distribution of manganese in oat plants D. N. MunnsC. M. JohnsonL. Jacobson OriginalPaper Pages: 285 - 295
Investigation of an organic phosphorus component of fulvic acid G. AndersonR. J. Hance OriginalPaper Pages: 296 - 303
Soil organic matter and nitrogen contents of veld and cultivated soils in the central orange free state G. SchmidtU. Schmidt OriginalPaper Pages: 315 - 323
Residual effect of nitrogen fertilizer on succeeding crops in a moderate marine climate F. van der Paauw OriginalPaper Pages: 324 - 331
Studies on fungi in the root region D. ParkinsonG. S. TaylorR. Pearson OriginalPaper Pages: 332 - 349
Dry-matter production and nutrient content of plantation oil palms in Nigeria P. B. H. TinkerK. W. Smilde OriginalPaper Pages: 350 - 363
Cobalt requirement of symbiotically grown alfalfa D. O. WilsonH. M. Reisenauer OriginalPaper Pages: 364 - 373
Decomposition of organic matter and mineralization of nitrogen in brookston silt loam and alfalfa green manure J. L. Mortensen OriginalPaper Pages: 374 - 384
Occurrence of non-symbiotic nitrogen-fixing micro-organisms in Nigerian soils A. W. Moore OriginalPaper Pages: 385 - 395