The influence of molybdenum on iron nutrition of tomato Joseph A. BerryH. M. Reisenauer OriginalPaper Pages: 303 - 313
Cation-exchange capacity of roots and yield potential in sugarcane K. Chiranjeevi RaoT. N. KrishnamurthyJ. Thuljaram Rao OriginalPaper Pages: 314 - 318
Utilization of phosphorus sources of different availability by mycorrhizal and non-mycorrhizal maize C. L. MurdochJ. A. JackobsJ. W. Gerdemann OriginalPaper Pages: 329 - 334
Differences in molybdenum uptake by micro-organisms from the rhizosphere ofraphanus sativus L. grown in two soils of similar origin Margaret W. LoutitJ. S. LoutitR. R. Brooks OriginalPaper Pages: 335 - 346
Interactions between aluminium and phosphorus on root surfaces and cell wall material David T. Clarkson OriginalPaper Pages: 347 - 356
The effect of nitrate and nitrous oxide on hydrogen and methane accumulation in anaerobically-incubated soils D. LaskowskiJ. T. Moraghan OriginalPaper Pages: 357 - 368
Effect of water supply on growth and yield of barley A. A. Abd El RahmanK. H. BatanounyNadia H. Ezzat OriginalPaper Pages: 369 - 382
Totalsulfur, acetate-extractable sulfur and isotopically exchangeable sulfate in some eastern canadian soils A. F. MackenzieW. A. DelongI. S. Ghanem OriginalPaper Pages: 408 - 414
Acid extraction of inorganic ions from roots John G. A. FiskellEugene A. Brams OriginalPaper Pages: 415 - 431
Influence of seed disinfection with AAmertan on rhizobial inoculation ofmedicago lupulina, L D. A. van Schreven Short Communication Pages: 443 - 446
The significance of copper for nitrogen fixation in nodulated alnus and casuarina plants G. BondE. J. Hewitt Short Communication Pages: 447 - 449
The influence of boron and copper deficiency upon infection byErysiphe graminis D.C., the powdery mildew, in wheat var. kenya Karl H. Schütte Short Communication Pages: 450 - 452
Isolation of the equilibrium solution from a west soil or clay paste N. LahavS. LeviS. Gil Short Communication Pages: 453 - 456
Comparison of ‘ignition’ and ‘extraction’ methods for the determination of organic phosphate in rocks and soils J. D. H. WilliamsT. W. Walker Short Communication Pages: 457 - 459
Some aspects of ascorbic acid as a reductant in the estimation of phosphorus A. S. DurgeK. V. Paliwal Short Communication Pages: 460 - 462
Changes in soil moisture and organic matter under different covers at ibadan, nigeria A. W. Moore Short Communication Pages: 463 - 467
Comparative effects of varying levels of chlorides and sulphates of sodium, potassium, calcium, and magnesium on ammonification and nitrification during incubation of soil M. A. SindhuA. H. Cornfield Short Communication Pages: 468 - 472