Betaine status in wheat in relation to nitrogen stress and to transient salinity stress S. R. GrattanC. M. Grieve OriginalPaper Pages: 3 - 9
Correlations among indices of forest soil nutrient availability in fertilized and unfertilized loblolly pine plantations S. C. HartDan Binkley OriginalPaper Pages: 11 - 21
The effect of manganese deficiency and cereal cyst nematode infection on the growth of barley N. S. WilhelmJ. M. FisherRobin D. Graham OriginalPaper Pages: 23 - 32
Pesticidal effect on soybean-rhizobia symbiosis M. A. B. MallikK. Tesfai OriginalPaper Pages: 33 - 41
Potassium uptake by plants, as characterized by root density, species and K/Rb ratio V. C. Baligar OriginalPaper Pages: 43 - 53
Studies on the application of iron to some glasshouse vegetables grown in soilless culture C. SonneveldW. Voogt OriginalPaper Pages: 55 - 64
Responses of microbial components of the rhizosphere to plant management strategies in a semiarid rangeland E. R. InghamD. A. KleinM. J. Trilica OriginalPaper Pages: 65 - 76
Hydrogen accumulation by H2-uptake negative strains of Rhizobium T. C. FeijtelL. SegersW. Verstraete OriginalPaper Pages: 77 - 84
Soil H2-uptake in relation to soil properties and rhizobial H2-production F. PopelierJ. LiessensW. Verstraete OriginalPaper Pages: 85 - 96
Variation in the incidence of H2-oxidizing chemolithotrophic bacteria in rice grown under different cultivation conditions T. K. S. GowdaI. Watanabe OriginalPaper Pages: 97 - 105
Critical tissue concentrations of potentially toxic elements R. D. MacnicolP. H. T. Beckett OriginalPaper Pages: 107 - 129
Influence of waterlogging on the emergence and growth ofLolium perenne L. shoots from seed coated with calcium peroxide J. H. Ollerenshaw OriginalPaper Pages: 131 - 141
Nutrition of sorghum plants fertilized with nitrogen or inoculated withAzospirillum brasilense R. S. PacovskyE. A. PaulG. J. Bethlenfalvay Short Communications Pages: 145 - 148
Inhibition of soil urease activity by amido derivatives of phosphoric and thiophosphoric acids C. F. -H. LiaoS. G. Raines Short Communications Pages: 149 - 152