Use of the root contact concept, an empirical leaf conductance model and pressure-volume curves in simulating crop water relations C. R. JensenH. SvendsenR. Lösch Research Article Pages: 1 - 26
Management of tropical soils as sinks or sources of atmospheric carbon Ariel E. LugoSandra Brown Research Article Pages: 27 - 41
Denitrifying ability of thirteen Rhizobium meliloti strains J. I. Garcia-PlazaolaJ. M. BecerrilP. M. Aparicio-Tejo Research Article Pages: 43 - 50
Effect of burning on selected soil parameters in a grass fallow shifting cultivation system in Bhutan W. RoderO. CalvertY. Dorji Research Article Pages: 51 - 58
Sources of N uptake by wheat (Triticum aestivum L.) and N transformations in soil treated with a nitrification inhibitor (nitrapyrin) D. M. CrawfordP. M. Chalk Research Article Pages: 59 - 72
Effects of N and P rates and proportional timing of N application on rainfed wheat in Zambia S. P. MoolekiR. K. Foster Research Article Pages: 73 - 86
Factors affecting aluminium sorption by calcium pectate F. P. C. BlameyC. J. AsherD. G. Edwards Research Article Pages: 87 - 94
Effects of high temperature on nodulation and nitrogen fixation by Phaseolus vulgaris L. Mariangela HungriaAvílio Antônio Franco Research Article Pages: 95 - 102
New sources of high-temperature tolerant rhizobia for Phaseolus vulgaris L. Mariangela HungriaAvílio Antônio FrancoJanet I. Sprent Research Article Pages: 103 - 109
Vegetation effects on phosphorus fractions in set-aside soils Jakob Magid Research Article Pages: 111 - 119
Effects of aluminium on growth and cation uptake in seedlings of Eucalyptus mannifera and Pinus radiata Junhua HuangE. P. Bachelard Research Article Pages: 121 - 127
Root elongation of seedling peas through layered soil of different penetration resistances A. G. BengoughI. M. Young Research Article Pages: 129 - 139
Effects of organic sulfur compounds on extraction and determination of inorganic sulfate C. Alewell Short Communication Pages: 141 - 144
Soil saccharide extraction and detection D. A. MartensW. T. Frankenberger Jr. Short Communication Pages: 145 - 147