Changes in root NH 4 + and NO 3 − absorption rates of loblolly and ponderosa pine in response to CO2 enrichment Hormoz BassiriRadKevin L. GriffinBoyd R. Strain OriginalPaper Pages: 1 - 9
Interactive effects of soil nitrogen and atmospheric carbon dioxide on root/rhizosphere carbon dioxide efflux from loblolly and ponderosa pine seedlings Kevin L. GriffinMichael A. BashkinBoyd R. Strain OriginalPaper Pages: 11 - 18
Soil respiration response to three years of elevated CO2 and N fertilization in ponderosa pine (Pinus ponderosa Doug. ex Laws.) James M. VoseKatherine J. ElliottMark G. Johnson OriginalPaper Pages: 19 - 28
Effects of CO2 and nitrogen fertilization on vegetation and soil nutrient content in juvenile ponderosa pine D.W. JohnsonJ.T. BallR.F. Walker OriginalPaper Pages: 29 - 40
The effects of aluminium on nodulation and symbiotic nitrogen fixation in Casuarina cunninghamiana Miq. J.M. IgualC. Rodríguez-BarruecoE. Cervantes OriginalPaper Pages: 41 - 46
Is low rooting density of faba beans a cause of high residual nitrate content of soil at harvest ? Henning Kage OriginalPaper Pages: 47 - 60
Indices of plant N availability in an alpine grassland under elevated atmospheric CO2 John A. Arnone III OriginalPaper Pages: 61 - 66
Is salinity tolerance related to Na accumulation in Upland cotton (Gossypium hirsutum) seedlings? E.O. LeidiJ.F. Saiz OriginalPaper Pages: 67 - 75
The traction effect of lateral roots of Pinus yunnanensis on soil reinforcement: a direct in situ test Yue ZhouDavid WattsQian Xiu OriginalPaper Pages: 77 - 86
Temperature-induced alteration to root longevity in Lolium perenne P.J. ForbesK.E. BlackJ.E. Hooker OriginalPaper Pages: 87 - 90
Effects of photoperiod on growth of and denitrification by Pseudomonas chlororaphis in the root zone of Glyceria maxima, studied in a gnotobiotic microcosm Paul L.E. BodelierAlbert G. WijlhuizenHendrikus J. Laanbroek OriginalPaper Pages: 91 - 103
Nutrient relations of the halophytic shrub, Sarcobatus vermiculatus, along a soil salinity gradient Lisa A. DonovanJames H. RichardsE. Joy Schaber OriginalPaper Pages: 105 - 117
Influence of competition for nitrogen in soil on net mineralization of nitrogen Eric BremerPeter Kuikman OriginalPaper Pages: 119 - 126
Effects of soil phosphorus availability, temperature and moisture on soil respiration in Eucalyptus pauciflora forest H. KeithK.L. JacobsenR.J. Raison OriginalPaper Pages: 127 - 141
Characterisation and differentiation of indigenous rhizobia isolated from Canarian shrub legumes of agricultural and ecological interest Monica SantamariaJavier CorzoAngel M. Gutierrez-Navarro OriginalPaper Pages: 143 - 152
Significance of Ni supply for growth, urease activity and the concentrations of urea, amino acids and mineral nutrients of urea-grown plants J. GerendásB. Sattelmacher OriginalPaper Pages: 153 - 162
Uptake and transport of phosphorus by Agrostis capillaris seedlings from rapidly hydrolysed organic sources extracted from32 P-labelled bacterial cultures A.E.S. MacklonS.J. GraystonB.G. Ord OriginalPaper Pages: 163 - 167
Chemistry and microbial activity of forest and pasture riparian-zone soils along three Pacific Northwest streams Robert P. GriffithsJames A. EntryWilliam H. Emmingham OriginalPaper Pages: 169 - 178