Effects of heavy metal contamination and remediation on soil microbial communities in the vicinity of a zinc smelter as indicated by analysis of microbial community phospholipid fatty acid profiles John J. KellyMax M. HäggblomRobert L. Tate III Original Paper 13 June 2003 Pages: 65 - 71
Differences in native soil ecology associated with invasion of the exotic annual chenopod, Halogeton glomeratus Jeffrey J. DudaD. Carl FreemanJames Montante Original Paper 14 June 2003 Pages: 72 - 77
Enzymatic hydrolysis of organic phosphorus in extracts and resuspensions of swine manure and cattle manure Zhongqi HeC. Wayne HoneycuttTimothy S. Griffin Original Paper 19 June 2003 Pages: 78 - 83
A leucine biosynthesis mutant of Rhizobium tropici CIAT899 which survives at pH 3.5. H. L. SteeleP. VinuesaD. Werner Original Paper 24 May 2003 Pages: 84 - 88
Changes in the structure of fungal communities of soil treated with sewage sludge Małgorzata KacprzakEwa Stańczyk-Mazanek Original Paper 24 May 2003 Pages: 89 - 95
Activity and stability of urease-hydroxyapatite and urease-hydroxyapatite-humic acid complexes Claudia BorghettiPaola GioacchiniCarlo Gessa Original Paper 29 May 2003 Pages: 96 - 101
Response of enzyme activities to nitrogen addition in forest floors of different C-to-N ratios Kerstin MichelEgbert Matzner Original Paper 10 May 2003 Pages: 102 - 109
Influence of pH and calcium on the growth, polysaccharide production and symbiotic association of Sinorhizobium meliloti SEMIA 116 with alfalfa roots Carolina DelavechiaEugenio HamppStella Castro Original Paper 29 May 2003 Pages: 110 - 114
Effect of Roundup Ultra on atrazine degradation in soil L. J. KrutzS. A. SensemanR. L. Haney Short Communication 13 May 2003 Pages: 115 - 118
The flavonoid naringenin enhances intercellular colonization of rice roots by Azorhizobium caulinodans Veena JainKaushalya Gupta Short Communication 19 June 2003 Pages: 119 - 123
Comments on the paper titled "Use of microcalorimetry to study microbial activity during the transition from oxic to anoxic conditions" N. Barros Letter to the Editor 29 May 2003 Pages: 124 - 125
Reply of the authors to the comments of Dr. N. Barros T. VorJ. DyckmansF. Beese Reply 29 May 2003 Pages: 126 - 127