Prospect Hill Soil Warming - Nitrogen Mineralization Soils 2002
- HF-ID: HFS2002-10
- Category: Research Samples
- Creator:
- Date: November 2001 to November 2002
- Location: Prospect Hill Tract (Harvard Forest)
- Media: Samples - soils
- Contents:
- Soil samples in plastic cups. Box 1: 11/13/2001, 4/23/2002; Box 2: 4/23/2002, 5/28/2002; Box 3: 5/28/2002, 7/8/2002; Box 4: 7/8/2002, 8/12/2002; Box 5: 8/12/2002, 9/16/2002; Box 6: 9/16/2002, 10/21/2002, 11/18/2002. 6 boxes.
- Keywords: nitrogen, nitrogen mineralization, soil, soil warming
- Abstract:
- The soil warming experiment was installed on the Prospect Hill tract in 1991 to allow us to investigate the effects of a 5 deg C temperature increase on soil processes fundamental to the global cycling of carbon and nitrogen.
- Net N mineralization and nitrification were measured for the forest floor and mineral soil using an on-site buried bag incubation. Incubations were for 6 weeks, April- November, and for 5 months through the winter. Initial samples were collected and analyzed for extractable (2N KCl, 48 hours) NH4+ and NO3- content. The same analysis was carried out on the incubated samples. The difference in total mineral N content between initial and incubated soils is the net mineralization rate.
- Related Items:
- Archives Location: Sample Archive, Bay 3, table
- Access: Active