Prospect Hill Soil Warming - Nitrogen Mineralization Soils 1999
- HF-ID: HFS1999-07
- Category: Research Samples
- Creator:
- Date: November 1999
- Location: Prospect Hill Tract (Harvard Forest)
- Media: Samples - soils
- Contents:
- Soil samples in plastic cups (991110) 15-30 cm mineral soils, all plots, 3 subplots per plot. 1 box.
- Keywords: roots
- 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.
- Archives Location: Sample Archive, Bay 3, stack 2, shelf 2
- Access: Active
- Administrative Notes:
- 2022-10-04 - former title: Soil Warming; 1996 Root initials,1998 CHN, 1999 Root initials listed in contents but only samples for 1998 found; 1998 samples transferred to record HFS 1998-10; record updated
- Disposal Notes: Never Dispose.