Results: 1 - 4 of 4
Nov 03, 2020
Data
Jun 27, 2011
Open File Report
Feb 28, 1993
Open File Report
… are enriched in humic and other organic acids. These materials are … in soils that are depleted in organic matter. They also appear to …
Nov 18, 2008
Data
… carbon (CO2), graphitic carbon, organic carbon and sulphate …