The response of white clover (Trifolium repens L.) seedlings to spring root temperatures: The relative roles of the plant and the Rhizobium bacteria M. J. GlendiningL. R. Mytton OriginalPaper Pages: 147 - 154
Solubilization of rock phosphate by rape Ellis HofflandGünter R. FindeneggJacob A. Nelemans OriginalPaper Pages: 155 - 160
Solubilization of rock phosphate by rape Ellis HofflandGünter R. FindeneggJacob A. Nelemans OriginalPaper Pages: 161 - 165
Effects of N, P, and K on formation of vesicular-arbuscular mycorrhizae, growth and mineral content of onion Valentin FurlanMichèle Bernier-Cardou OriginalPaper Pages: 167 - 174
Effects of successive applications of fosetyl-Al on growth ofAllium cepa L. associated with endomycorrhizal fungi S. DespatieV. FurlanJ. A. Fortin OriginalPaper Pages: 175 - 180
Indirect measures of N2 fixation in common bean (Phaseolus vulgaris L.) under field conditions: The role of lateral root nodules D. J. WolynJ. AttewellF. A. Bliss OriginalPaper Pages: 181 - 187
The distribution and utilization of calcium by two tomato (Lycopersicon esculentum Mill.) lines differing in calcium efficiency when grown under low-Ca stress Jonathan P. BehlingW. H. GabelmanG. C. Gerloff OriginalPaper Pages: 189 - 196
Measurement of microbial biomass phosphorus in rhizosphere soil J. K. MartinR. L. Correll OriginalPaper Pages: 213 - 221
Determination of biomass N in some agricultural soils of Punjab, Pakistan F. AzamM. YousafK. A. Malik OriginalPaper Pages: 223 - 228
Nutritional disturbances of young pines in a dry heath forest H. RaitioE. Tikkanen OriginalPaper Pages: 229 - 235
Modulation of the molecular size of humic substances by organic acids of the root exudates Antonio AlbuzioGiovanni Ferrari OriginalPaper Pages: 237 - 241
Use of morphometric analysis for characterization of tobacco root growth in relation to infection byPhytophthora parasitica var.nicotianae J. T. EnglishD. J. Mitchell OriginalPaper Pages: 243 - 249
The occurrence of vesicular-arbuscular mycorrhiza in agro-ecosystems H. BaltruschatH. W. Dehne OriginalPaper Pages: 251 - 256
Effect of chemical forms of cadmium, zinc, and lead in polluted soils on their uptake by cabbage plants X. Xian OriginalPaper Pages: 257 - 264
Effect of silica and magnesium on yield of upland rice in the humid tropics M. YamauchiM. D. Winslow OriginalPaper Pages: 265 - 269
Uptake and distribution of copper and zinc by soybean and corn from soil treated with sewage sludge M. R. ReddyD. LameckM. E. Rezania Short Communications Pages: 271 - 274
Fine root distribution in a young loblolly pine (Pinus taeda L.) stand: Effects of preplant phosphorus fertilization M. B. AdamsK. D. PennellR. G. Campbell Short Communications Pages: 275 - 278
Effects of N-immissions on nutrient status and vitality ofPinus sylvestris near a hen-house M. KaupenjohannH. DöhlerM. Bauer Short Communications Pages: 279 - 282
Auxin-, gibberellin-like substances and cytokinins in the seed and root exudates of groundnut M. N. ReddyA. PokojskaE. Strezelczyk Short Communications Pages: 283 - 286
Zinc nutrition and leaf carbonic anhydrase activity ofEucalyptus maculata seedlings andTrifolium subterraneum B. DellS. A. Wilson Short Communications Pages: 287 - 290
Alfalfa N2-fixation enhances the phosphorus uptake of walnut in interplantings Andrew R. GillespiePhillip E. Pope Short Communications Pages: 291 - 293
Influence of soil solution aluminum on root elongation of wheat seedlings R. J. WrightV. C. BaligarS. F. Wright Short Communications Pages: 294 - 298