REFERENCES
- Qualls , R.G. , Haines , B.L. and Swank , W.T. 1991 . Fluxes of dissolved organic nutrients and humic substances in a deciduous forest . Ecology , 72 : 244 – 266 .
- 1993 . Waters AccQ·Tag Chemistry Package Instruction Manual Milford, MA : Waters .
- Lewis , D.L. , Simons , A.P. , Moore , W.B. and Gattie , D.K. 1992 . Treating soil solution samplers to prevent microbial removal of analytes . Appl. Environ. Microbiol. , 58 : 1 – 5 .
- Andersson , S. , Valeur , I. and Nilsson , I. 1994 . Influence of lime on soil respiration, leaching of DOC, and C/S relationships in the mor humus of a haplic podzol . Environ. Int. , 20 : 81 – 88 .
- in press .
- Meijboom , F.W. 1998 . Rhizon SMS description leaflet, Version 3 Wageningen, Netherlands : Rhizosphere Research Products .