Root-microbial effects on plant iron uptake from siderophores and phytosiderophores David E. CrowleyVolker RömheldPaul J. Szaniszlo OriginalPaper Pages: 1 - 7
The vertical distribution of nitrogen and photosynthetic activity at different plant densities in Carex acutiformis F. SchievingT. L. PonsT. Hirose OriginalPaper Pages: 9 - 17
Barley response to nitrogen and non-nutritional benefits of legume green manure H. H. JanzenG. B. Schaalje OriginalPaper Pages: 19 - 30
Root biomass distribution in a moist tropical montane forest E. D. VanceN. M. Nadkarni OriginalPaper Pages: 31 - 39
Soil acidification as caused by the nitrogen uptake pattern of Scots pine (Pinus sylvestris) Gert Arnold OriginalPaper Pages: 41 - 51
Nitrogen contribution of cowpea green manure and residue to upland rice P. S. JohnR. K. PandeyR. Prasad OriginalPaper Pages: 53 - 61
The occurrence of Frankia in tropical forest soils of Costa Rica Mark W. PaschkeJeffrey O. Dawson OriginalPaper Pages: 63 - 67
Formation of aggregates by plant roots in homogenised soils S. A. MaterecheraA. R. DexterA. M. Alston OriginalPaper Pages: 69 - 79
Analysis of major tomato xylem organic acids and PITC-derivatives of amino acids by RP-HPLC and UV detection M. H. M. N. SendenA. J. G. M. Van Der MeerH. Th. Wolterbeek OriginalPaper Pages: 81 - 89
Growth of Agrostis palustris in subsurface black-layered sand induced by cyanobacteria and sulfate-reducing bacteria Clinton F. Hodges OriginalPaper Pages: 91 - 96
Determination of root biomasses of three species grown in a mixture using stable isotopes of carbon and nitrogen H. Wayne PolleyHyrum B. JohnsonHerman S. Mayeux OriginalPaper Pages: 97 - 106
The effects of inoculum density and physical factors on the assessment of disease caused by Sclerotium rolfsii J. A. ToribioR. Rodríguez-kábana OriginalPaper Pages: 107 - 112
Control of relative growth rate by application of the relative addition rate technique to a traditional solution culture system K. J. StadtG. J. TaylorM. R. T. Dale OriginalPaper Pages: 113 - 122
Long-term effect of superphosphate on accumulation of soil phosphorus and exchangeable cations on a grazed, irrigated pasture site R. J. HaynesP. H. Williams OriginalPaper Pages: 123 - 133
Nitrogen accumulation in sole and mixed stands of sweet-blue lupin (Lupinus angustifolius L.), ryegrass and oats F. PálmasonS. K. A. DansoG. Hardarson OriginalPaper Pages: 135 - 142
Ammonia volatilization after injection of anhydrous ammonia into arable soils of different moisture levels S. G. SommerB. T. Christensen Short Communication Pages: 143 - 146
Comparison of biomass allocation in ectomycorrhizal and nonmycorrhizal Douglas fir seedlings of similar nutrition and overall size M. G. DosskeyR. G. LindermanL. Boersma Short Communication Pages: 147 - 150
Temperature effects on nodal root development in maize B. ZurJ. D. HeskethJ. F. Reid Short Communication Pages: 151 - 155