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- Publisher
- Springer Journals
- Copyright
- Copyright
- Subject
- Life Sciences; Forestry; Agriculture
- ISSN
- 0167-4366
- eISSN
- 1572-9680
- DOI
- 10.1007/BF00705062
- Publisher site
- See Article on Publisher Site
Abstract
A mathematical model is formulated and implemented for the nitrogen (N) cycle, on a yearly time scale, in an arid-zone fallow system. The model is generally applicable to such systems; by combining data from a number of sources, its behaviour is investigated for a genericsorghum bicolor — Acacia senegal system. The model reproduces such observed effects as the initial fall in soil N early in theAcacia rotation, and provides support for the hypothesis that the N fixing potential ofAcacia roots is less important than their ability to take up otherwise inaccessible mineral N through deep roots.
Journal
Agroforestry Systems – Springer Journals
Published: Nov 12, 2004