Seed pelleting in relation to nodulation and nitrogen fixation byPhaseolus aureus L. in a saline alkali soil P. K. ChhonkarV. IswaranK. S. Jauhri Short Communication Pages: 449 - 451
Changes of N content of a rice soil inoculated withTolypothrix tenuis T. S. ChopraJ. N. Dube OriginalPaper Pages: 453 - 462
Establishment and disappearance of introduced pseudomonads in the rhizoplane of peat grown cucumber plants Eva EklundEija Sinda OriginalPaper Pages: 495 - 504
Soil analysis by means of a 1:2 volume extract C. SonneveldJ. van den Ende OriginalPaper Pages: 505 - 516
Isobutylidene diurea and other nitrogen fertilizers for seedlings and transplants ofPicea sitchensis in two English forest nurseries Blanche BenzianS. C. R. FreemanJ. D. D. Mitchell OriginalPaper Pages: 517 - 532
Salt injury to plants with special reference to cations versus anions and ion activities Frank M. EatonW. R. OlmsteadO. C. Taylor OriginalPaper Pages: 533 - 547
Electric potentials of plant roots A. K. HelmyM. TschapekE. A. Ferreiro OriginalPaper Pages: 549 - 553
The influence of phosphorus and nitrogen on millet and clover growing in soils affected by salinity S. RavikovitchD. Yoles OriginalPaper Pages: 555 - 567
The influence of phosphorus and nitrogen on millet and clover growing in soils affected by salinity S. RavikovitchD. Yoles OriginalPaper Pages: 569 - 588
Fluxes of P and Ca into intact corn roots and their dependence on solution concentration and root age B. Bar-Yosef OriginalPaper Pages: 589 - 600
Germination of conidia ofVerticillium dahliae in soil P. S. Van WykS. W. Baard OriginalPaper Pages: 601 - 611
Influence of sodium humate on the crop plants inoculated with bacteria of agricultural importance A. C. GaurK. K. R. Bhardwaj OriginalPaper Pages: 613 - 621
Effects of the chemical environment on yellow-birch root development and top growth M. C. Hoyle OriginalPaper Pages: 623 - 633
Temperature effects on the response to sulphur of barley, peas and rape H. M. W. HerathD. P. Ormrod OriginalPaper Pages: 635 - 646
Reinvestigation of Coprosma for ability to fix atmospheric nitrogen W. B. SilvesterSandra Astridge Short Communication Pages: 647 - 650
Transport of phosphate from leaves to leguminous root nodules Esam MoustafaM. BolandR. M. Greenwood Short Communication Pages: 651 - 653
Biochemical weathering of calcium-bearing minerals by rhizosphere micro-organisms, and its influence on calcium accumulation in trees Togwell A. JacksonG. K. Voigt Short Communication Pages: 655 - 658
Isotope technique for investigation of cold resistance in rice and sorghum varieties F. Zsoldos Short Communication Pages: 659 - 663