Phenolic metabolites of ecological significance in Empetrum hermaphroditum leaves and associated humus C. GalletM.-C. NilssonO. Zackrisson OriginalPaper Pages: 1 - 9
Nitrogen uptake and partitioning under alternate- and every-furrow irrigation R. Howard SkinnerJon D. HansonJoseph G. Benjamin OriginalPaper Pages: 11 - 20
A test of a potential short cut in the nitrogen cycle: The role of exudation of symbiotically fixed nitrogen from the roots of a N-fixing tree and the effects of increased atmospheric CO2 and temperature Shauna M. UselmanRobert G. QuallsRichard B. Thomas OriginalPaper Pages: 21 - 32
Mycorrhizae, crop growth, and crop phosphorus nutrition in maize-soybean rotations given various tillage treatments Terence P. McGonigleMurray H. MillerDoug Young OriginalPaper Pages: 33 - 42
Assessing fine-root biomass and production in a Scots pine stand – comparison of soil core and root ingrowth core methods Kirsi MakkonenHeljä-Sisko Helmisaari OriginalPaper Pages: 43 - 50
The influence of intermittent soil drying on growth, cell number, and final cell length in the pith of mature internodes in Helianthus annuus L. and Liquidambar styraciflua L. H.E. SommerC.L. BrownH.Y. Wetzstein OriginalPaper Pages: 51 - 59
Carbon (13C) uptake and allocation in pasture plants following field pulse-labelling D.P.C. StewartA.K. Metherell OriginalPaper Pages: 61 - 73
Functional copper requirement for catechol oxidase activity in plantation Eucalyptus species M.J. GherardiB. DellL. Huang OriginalPaper Pages: 75 - 81
Polyamine-induced changes in symbiotic parameters of the Galega orientalis–Rhizobium galegae nitrogen-fixing system Valya VassilevaGeorge Ignatov OriginalPaper Pages: 83 - 91
The influence of atmospheric CO2 enrichment on plant-soil nitrogen interactions in a wetland plant community on the Chesapeake Bay Roser MatamalaBert G. Drake OriginalPaper Pages: 93 - 101
Isolation and characterization of diazotrophic bacteria from banana and pineapple plants O.B. WeberV.L.D. BaldaniJ. Dobereiner OriginalPaper Pages: 103 - 113
Interactive effects of lettuce (Lactuca sativa L.), irradiance, and ferulic acid in axenic, hydroponic culture Siri CaspersenPeter SundinPaul Jensén OriginalPaper Pages: 115 - 126
Modeling soil–root water transport and competition for single and mixed crops F. LafolieL. BrucklerA. Mollier OriginalPaper Pages: 127 - 143