Mulch decomposition under agroforestry conditions in a sub-humid tropical savanna processes and influence of perennial plants Götz SchrothWolfgang ZechGünter Heimann OriginalPaper Pages: 1 - 11
The influence of nitrogen concentration and ammonium/nitrate ratio on N-uptake, mineral composition and yield of citrus M. D. SernaR. BorrasE. Primo-Millo OriginalPaper Pages: 13 - 23
Effect of the insecticides methylpyrimifos and chlorpyrifos on soil microflora in an agricultural loam M. V. Martinez-ToledoV. SalmeronJ. Gonzalez-Lopez OriginalPaper Pages: 25 - 30
Effects of VA-mycorrhizae and nitrogen sources on rhizosphere soil characteristics, growth and nutrient acquisition of coffee seedlings (Coffea arabica L.) Ph. VaastR. J. Zasoski OriginalPaper Pages: 31 - 39
Influence of time of application on the utilization of nitrogen fertilizer by asparagus, estimated using 15N S. F. LedgardJ. A. DouglasM. S. Sprosen OriginalPaper Pages: 41 - 47
Fate of 15N-labelled nitrogen fertilizer applied to kiwifruit (Actinidia deliciosa) vines S. F. LedgardG. S. SmithM. S. Sprosen OriginalPaper Pages: 49 - 57
Fate of 15N-labelled nitrogen fertilizer applied to kiwifruit (Actinidia deliciosa) vines S. F. LedgardG. S. Smith OriginalPaper Pages: 59 - 68
Abiotic factors regulating nitrogen transformations in the organic layer of acid forest soils: Moisture and pH A. TietemaB. WarmerdamL. Riemer OriginalPaper Pages: 69 - 78
Effect of the nitrogen form used in the growth medium (NO3 −, NH4 +) on alkaloid production in Datura stramonium L. K. DemeyerR. Dejaegere OriginalPaper Pages: 79 - 86
Effect of mutual shading on the emergence of nodal roots and the root/shoot ratio of maize Sabine Demotes-MainardSylvain Pellerin OriginalPaper Pages: 87 - 93
The decline in N2 fixation rate in common bean with the onset of pod-filling: Fact or artifact Per-Åke VikmanJ. Kevin Vessey OriginalPaper Pages: 95 - 105
Field study of nitrification and denitrification in a wet savanna of West Africa (Lamto, Côte d'Ivoire) R. LensiA. M. DomenachL. Abbadie OriginalPaper Pages: 107 - 113
A comparison between minirhizotron and monolith sampling methods for measuring root growth of maize (Zea mays L.) Hooshang MajdiAlvin J. M. SmuckerHans Persson OriginalPaper Pages: 127 - 134
Stability of rifampicin resistance as a marker for root colonization studies of Pseudomonas putida in the field D. C. M. GlandorfI. BrandB. Schippers OriginalPaper Pages: 135 - 142
Gas exchange and photosynthesis of Eucalyptus camaldulensis seedlings inoculated with different ectomycorrhizal symbionts Robert K. DixonFrancois Hiol-Hiol OriginalPaper Pages: 143 - 149
Selection of Portuguese Rhizobium leguminosarum bv. trifolii strains for production of legume inoculants E. M. FerreiraJ. F. Marques OriginalPaper Pages: 151 - 158
Testing the effect of biological control agents on the formation of vesicular arbuscular mycorrhiza P. WyssTh. BollerA. Wiemken BriefCommunication Pages: 159 - 162