The effect of soil pH on rhizosphere carbon flow of Lolium perenne A. A. MehargK. Killham OriginalPaper Pages: 1 - 7
Iron nutrition of a hydroponic strawberry culture (Fragaria vesca L.) supplied with different Fe chelates J. J. LucenaA. GarateM. Manzanares OriginalPaper Pages: 9 - 15
Cellulase activity on decomposing leaf litter in microcosms A. E. LinkinsR. L. SinsabaughJ. M. Melills OriginalPaper Pages: 17 - 25
Effects of different organic waste amendments on soil microaggregates stability and molecular sizes of humic substances A. PiccoloJ. S. C. Mbagwu OriginalPaper Pages: 27 - 37
Organic matter and nitrogen in the unharvested fractions of grass swards in relation to the potential for nitrate leaching after ploughing D. C. WhiteheadA. W. BristowD. R. Lockyer OriginalPaper Pages: 39 - 49
The effect of soil tillage and fertilizer use on pearl millet yields in Niger C. B. ChristiansonA. BationoW. E. Baethgen OriginalPaper Pages: 51 - 58
Extent and pattern of early soybean seedling colonization by Fusarium oxysporum and F. solani in naturally infested soil G. M. FariasG. J. Griffin OriginalPaper Pages: 59 - 65
Fertilization influences nitrogen dynamics in soils under Dalbergia sissoo Z. JavidR. F. Fisher OriginalPaper Pages: 67 - 71
The resistance experienced by roots growing in a pressurised cell. A reappraisal A. G. BengoughC. E. Mullins OriginalPaper Pages: 73 - 82
Field evaluation of several chemical indexes of soil nitrogen availability S. D. HongR. H. FoxW. P. Piekielek OriginalPaper Pages: 83 - 88
Vertical distribution of plant-parasitic nematodes in sandy soil under maize R. McSorleyD. W. Dickson OriginalPaper Pages: 95 - 100
Variation for aluminium tolerance in white clover A. D. MackayJ. R. CaradusM. W. Pritchard OriginalPaper Pages: 101 - 105
Heavy-metal uptake and distribution in Silene vulgaris and Minuartia verna growing on mining-dump material containing lead and zinc H. Sieghardt OriginalPaper Pages: 107 - 111
Influence of grass proportion in stands of burr medic and subterranean clover on legume re-establishment and productivity following wheat P. J. Cotterill Short Communication Pages: 113 - 116
Genetic effect on uptake of selected nutrients in some rice (O. sativa L.) varieties in phosphorus deficient soils N. D. MajumderS. C. RakshitD. N. Borthakur Short Communication Pages: 117 - 120
Rhizoplane colonization of pea seedlings by Rhizobium leguminosarum and a deleterious root colonizing Pseudomonas sp. and effects on plant growth H. Bolton Jr.L. F. ElliottA. C. Kennedy Short Communication Pages: 121 - 124
The nodulation and nitrogenase activity of natural stands of mangrove legumes in a Nigerian swamp M. T. Ogan Short Communication Pages: 125 - 129
The Fifth International Symposium on Nitrogen Fixation with Non - legumes Announcement Pages: 131 - 131