Micro-organisms in the rhizosphere of plants inoculated withAzotobacter chroococcum J. J. Patel OriginalPaper Pages: 209 - 223
Nitrogen movement and transformation in soils A. S. J. ReidG. R. WebsterH. R. Krouse OriginalPaper Pages: 224 - 237
Soluble and slow-release PK-fertilizers for seedlings and transplants ofPicea sitchensis andPicea abies in two English nurseries Blanche BenzianJ. BoltonG. E. G. Mattingly OriginalPaper Pages: 238 - 256
Untersuchungen Zur Aufnahme Und Umwandlung C14-Markierter Phenole Durch Die Pflanze H. von HarmsH. SöchtigK. Haider OriginalPaper Pages: 257 - 272
Interactions of azotobacter with rhizosphere and root-surface microflora J. J. PatelMargaret E. Brown OriginalPaper Pages: 273 - 281
The uptake of applied selenium by agricultural plants B. BisbjergG. Gissel-Nielsen OriginalPaper Pages: 287 - 298
Nutrient concentration curves for oats and barley at different times of the period of growth Else Boken OriginalPaper Pages: 311 - 320
Changes in extractable organic phosphorus in soil in the presence and absence of plants G. S. SekhonC. A. Black OriginalPaper Pages: 321 - 327
Critical foliage concentrations of nitrogen and phosphorus as a guide to the nutrient status of araucaria underplanted to pinus B. N. RichardsD. I. Bevege OriginalPaper Pages: 328 - 336
Sporulation ofBacillus subtilis as a possible measure of available manganese in calcareous soils H. RosenbergJ. NavrotY. Henis OriginalPaper Pages: 337 - 344
Effects of addition of copper, manganese, zinc and chromium compounds on ammonification and nitrification during incubation of soil P. R. PremiA. H. Cornfield OriginalPaper Pages: 345 - 352
Effect of nitrogen on phosphorus absorption by excised barley roots G. D. HumbleA. El LeboudiV. V. Rendig OriginalPaper Pages: 353 - 364
Some aspects of ascorbic acid as a reductant in the estimation of phosphorus. Part II A. S. DurgeK. V. Paliwal Short Communication Pages: 374 - 376
The effect of Calothrix inoculation on vegetable crops K. S. DadhichA. K. VarmaG. S. Venkataraman Short Communication Pages: 377 - 379
Routine analysis of N15 in plant material by mass-spectrometry G. Proksch Short Communication Pages: 380 - 384
Restoration of protein level in detached leaves by supply of sulphate P. J. Randall Short Communication Pages: 385 - 388
Isolierung und Identifizierung phenolischer Ligninspaltstücke aus Waldböden Christian Kunze Short Communication Pages: 389 - 390