Ammonium and nitrate uptake by barley genotypes in diurnally fluctuating root temperatures simulating till and no-till conditions W. L. PanB. A. TillmanS. E. Ullrich OriginalPaper Pages: 1 - 8
Plant development, and N and P use of winter barley W. L. PanA. G. Hopkins OriginalPaper Pages: 9 - 19
Plant development, and N and P use of winter barley W. L. PanA. G. Hopkins OriginalPaper Pages: 21 - 29
Penetration of very strong soils by seedling roots of different plant species S. A. MaterecheraA. R. DexterA. M. Alston OriginalPaper Pages: 31 - 41
The effects of nitrate: ammonium ratios and dicyandiamide on the nitrogen response of Zea mays L. in a high rainfall area on an acid soil F. G. AdriaanseJ. J. Human OriginalPaper Pages: 43 - 52
Native root-nodule bacteria of traditional soybean-growing areas of northern Thailand J. A. ThompsonAmpan BhromsiriSrisook Lillakan OriginalPaper Pages: 53 - 65
Low level phosphorus supply affecting nodulation, N2 fixation and growth of cowpea (Vigna unguiculata L. Walp) W. M. Wan OthmanT. A. LieG. Y. Wassink OriginalPaper Pages: 67 - 74
Growth of asparagus in a commercial peat mix containing vesicular-arbuscular mycorrhizal (VAM) fungi and the effects of applied phosphorus C. T. PedersenG. R. SafirM. Caron OriginalPaper Pages: 75 - 82
Biological activity and chemical isolation of root saponins of six cultivars of alfalfa (Medicago sativa L.) C. L. Wyman-SimpsonG. R. WallerC. C. Young OriginalPaper Pages: 83 - 94
Survival of inoculated Laccaria bicolor in competition with native ectomycorrhizal fungi and effects on the growth of outplanted Douglasfir seedlings Normand VilleneuveFrançois Le TaconDaniel Bouchard OriginalPaper Pages: 95 - 107
Distribution and characteristics of root-nodule bacteria isolated from Australian Acacia spp. Y.M. BarnetP.C. Catt OriginalPaper Pages: 109 - 120
Growth promoting effect of Azospirillum brasilense on Casuarina cunninghamiana Miq. seedlings C. Rodríguez-BarruecoE. CervantesE. Rodríguez-Caceres OriginalPaper Pages: 121 - 124
Transpiration/biomass ratio for carrots as affected by salinity, nutrient supply and soil aeration U. SchmidhalterJ. J. Oertli OriginalPaper Pages: 125 - 132
A comparison of field methods for measuring soil carbon dioxide evolution: Experiments and simulation J. I. FreijerW. Bouten OriginalPaper Pages: 133 - 142
A method to study zhizosphere processes in thin soil layers of different proximity to roots Tara Singh GahooniaNiels Erik Nielsen OriginalPaper Pages: 143 - 146
Release of a reducing substance by the ectomycorrhizal fungi Pisolithus tinctorius and Paxillus involutus J. W. G. CairneyA. E. Ashford OriginalPaper Pages: 147 - 150