Soil phosphorus as a factor controlling vegetation composition in moist hayfields: a statistical evaluation of some methods for the determination of available phosphate L. F. M. FrescoE. HermansW. Van Der Lans OriginalPaper Pages: 259 - 269
The influence of heavy metals upon the growth of sitka-spruce in South Wales forests K. W. BurtonE. MorganA. Roig OriginalPaper Pages: 271 - 282
The effect of temperature variation over the root system on root extension and phosphate uptake by rape H. MoorbyP. H. Nye OriginalPaper Pages: 283 - 293
Studies on decomposition of humus in clay-humus complexes Chandrika VaradachariNirmal K. BiswasKunal Ghosh OriginalPaper Pages: 295 - 300
Dinitrogen fixation by field grown soybeans: statistical analysis of variations in δ15N and proposed sampling procedureand proposed sampling procedure Anne-Marie DomenachAntoine Corman OriginalPaper Pages: 301 - 313
Responses of barley, pea, and maize to inoculation with different vesicular-arbuscular mycorrhizal fungi in irradiated soil Anni Jensen OriginalPaper Pages: 315 - 323
Root growth and calcium uptake in relation to calcium concentration J. Emanuelsson OriginalPaper Pages: 325 - 334
The effect of available carbon and nitrogen in straw on soil and ash aggregation and acetic acid production L. F. ElliottJ. M. Lynch OriginalPaper Pages: 335 - 343
The release, diffusion and nitrification of nitrogen in soils surrounding sulfur-coated urea granules R. PuchadesE. Primo YuferaJ. L. Rubio OriginalPaper Pages: 345 - 356
Soil nitrogen fluctuations in citrus plots fertilized with sulfur-coated urea and ammonium nitro sulfate R. PuchadesE. Primo YuferaJ. L. Rubio OriginalPaper Pages: 357 - 365
Soil acidity factors and nodulation ofTrifolium repens M. WoodJ. E. CooperA. J. Holding OriginalPaper Pages: 367 - 379
Aluminium toxicity and nodulation ofTrifolium repens M. WoodJ. E. CooperA. J. Holding OriginalPaper Pages: 381 - 391
Microbial mineralization of organic phosphate in soil M. A. Z. MollaA. A. ChowdhuryS. Hoque OriginalPaper Pages: 393 - 399
Effects of temperature and moisture on urease activity in semi-arid tropical soils K. L. Sahrawat OriginalPaper Pages: 401 - 408
The effects of four commonly used fungicides on the growth of Cyanobacteria H. J. CameronG. R. Julian OriginalPaper Pages: 409 - 415
Ecology of the mycophagous nematodeAphelenchus avenae in wheat-field and pine-forest soils G. E. Walker OriginalPaper Pages: 417 - 428
Feeding trials ofAphelenchus avenae on soil bacteria and actinomycetes G. E. Walker Short Communications Pages: 431 - 432
Rhizosphere soil nitrogenase (C2H2 reduction) as influenced by plant density in intermediate deep water rice J. L. N. RaoB. B. ReddyV. Rajaramamohan Rao Short Communications Pages: 433 - 435
A simple method for the extraction of soil solution by high speed centrifugation B. Reynolds Short Communications Pages: 437 - 440
A role for managanese in the resistance of wheat plants to take-all Robin D. GrahamAlbert D. Rovira Short Communications Pages: 441 - 444
Dual inoculation with VA mycorrhiza and Rhizobium is beneficial to Leucaena A. ManjunathD. J. BagyarajH. S. Gopala Gowda Short Communications Pages: 445 - 448