Sulfate adsorption by variable charge soils: Effect of low-molecular-weight organic acids C. E. MartinezA. W. KleinschmidtM. A. Tabatabai ORIGINAL PAPER Pages: 157 - 163
Comparison of the difference method and 15N technique for studying the fate of nitrogen from plant residues in soil T. A. BrelandS. Hansen ORIGINAL PAPER Pages: 164 - 168
Nitrogen uptake and growth of two citrus rootstock seedlings in a sandy soil receiving different controlled-release fertilizer sources H. DouA. K. Alva ORIGINAL PAPER Pages: 169 - 172
Transformations of carbon and nitrogen during composting of animal manure and shredded paper T. ParéH. DinelS. Dumontet ORIGINAL PAPER Pages: 173 - 178
Forest soil community responses to plant growth-promoting rhizobacteria and spruce seedlings M. ShishidoC. P. Chanway ORIGINAL PAPER Pages: 179 - 186
Pruning effect on nitrogen nutrient release in the root zone of Albizia lebbeck and Leucaena leucocephala B. D. KadiataK. MulongoyB. Mambani ORIGINAL PAPER Pages: 187 - 193
Responses of Parkia biglobosa (Jacq.) Benth, Tamarindus indica L. and Zizyphus mauritiana Lam. to arbuscular mycorrhizal fungi in a phosphorus-deficient sandy soil T. GuissouA. M. BâR. Duponnois ORIGINAL PAPER Pages: 194 - 198
Nitrous oxide emissions under different soil and land management conditions C. HenaultX. DevisJ. C. Germon ORIGINAL PAPER Pages: 199 - 207
Biomass production and changes in soil productivity during longterm cultivation of Prosopis juliflora (Swartz) DC inoculated with VA mycorrhiza and Rhizobium spp. in a semi-arid wasteland N. P. BhatiaA. AdholeyaA. Sharma ORIGINAL PAPER Pages: 208 - 214
Earthworm feeding activity and development of the humus profile N. Bernier ORIGINAL PAPER Pages: 215 - 223
N dynamics and sources of N2O production following pig slurry application to a loamy soil L. DendoovenE. BonhommeK. Vlassak ORIGINAL PAPER Pages: 224 - 228
Soil nitrogen availability as affected by fallow-maize systems on two soils in Kenya J. B. MarokoR. J. BureshP. C. Smithson ORIGINAL PAPER Pages: 229 - 234
Amino acid composition of soil organic matter Z. N. SenwoM. A. Tabatabai ORIGINAL PAPER Pages: 235 - 242
Spring dynamics of soil carbon, nitrogen, and microbial activity in earthworm middens in a no-till cornfield S. SublerA. S. Kirsch ORIGINAL PAPER Pages: 243 - 249
Density-dependent grazing on the extraradical hyphal network of the arbuscular mycorrhizal fungus, Glomus intraradices, by the collembolan, Folsomia candida J. N. KlironomosM. Ursic SHORT COMMUNICATION Pages: 250 - 253
Genetic diversity of fast-and slow-growing soybean rhizobia determined by random amplified polymorphic DNA analysis C. C. YoungK. T. Cheng SHORT COMMUNICATION Pages: 254 - 256