Seasonal N2 fixation by cool-season pulses based on several15N methods S. C. SmithD. F. BezdicekH. H. Cheng OriginalPaper Pages: 3 - 13
Decomposition of humic acids by incubation in a soil water-extract under various conditions of oxygen availability A. RamunniR. ScialdoneD. Felleca OriginalPaper Pages: 15 - 23
Growth responses of tropical forage plant species to vesicular-arbuscular mycorrhizae S. R. Saif OriginalPaper Pages: 25 - 35
The effect of high solute concentrations on nitrification rates in soil P. R. DarrahP. H. NyeR. E. White OriginalPaper Pages: 37 - 45
Some soil-plant and root-shoot relationships of copper, zinc and manganese in white clover and perennial ryegrass D. C. Whitehead OriginalPaper Pages: 47 - 56
Effect of manganese on concentrations of Zn, Fe, Cu and B in different soybean genotypes M. R. ReddyM. Ray TuckerS. J. Dunn OriginalPaper Pages: 57 - 62
Inoculation of pea by application of Rhizobium in the planting furrow E. S. Jensen OriginalPaper Pages: 63 - 70
The effect of an intermittent water-table gradient on soil and xylem nitrate in cotton Nick L. SchaeferFrank M. MelhuishWayne S. Meyer OriginalPaper Pages: 71 - 77
Hydrogen uptake by Azolla-Anabaena A. P. RuschelJ. R. de FreitasP. M. da Silva OriginalPaper Pages: 79 - 83
Effect of liming on dry matter yield of wheat in pots of low humic gley soil M. B. PaulaF. D. NogueiraJ. E. Pittis OriginalPaper Pages: 85 - 91
Field measurement of symbiotic nitrogen fixation in an established lucerne ley using15N and an acetylene reduction method M. WivstadA. M. MårtenssonH. D. Ljunggren OriginalPaper Pages: 93 - 104
Influence du type de sol et de ces composantes physicochimiques sur les relations entre une variété de blé (Triticum aestivum L. var. Rescler) et deux souches, agressive et hypoagressive deGaeumannomyces graminis (Sacc.) von Arx et Olivier var.tritici Walker Philippe LucasMyriam Nignon OriginalPaper Pages: 105 - 117
Denitrification in a clearcut Loblolly pine (Pinus taeda L.) plantation in the southeastern US G. P. RobertsonP. M. VitousekJ. M. Tiedje OriginalPaper Pages: 119 - 129
Distribution and utilization of assimilated carbon in red clover during the first year of vegetation M. P. FernandezF. R. Warembourg OriginalPaper Pages: 131 - 143
Plant water potential measured continuously in the field T. McBurneyP. A. Costigan Short Communications Pages: 145 - 149
Comparative growth responses of N2-fixing and N-fertilized subterranean clover on acid soils S. F. WrightR. J. WrightO. L. Bennett Short Communications Pages: 151 - 154