Effects of prescribed burning on the major plant nutrients- Nitrogen, Phosphorous and Potassium.
1977
Attakorah, J. Y.
The study is part of an experiment conducted by the author in the Australian Capital Territory (ACT) to investigate the effects of prescribe burning on two district forest ecosystems: (1) an indigenous dry sclerophyll forest dominated by Eucalyptus dives Schav. And Eucalyptus macrorhyncha F.V.M., and (2) a 20year old plantation of Pinus radiata D. Don. Under each of the above stands, five sample plots were established, three plots were for burning while two served as controls. All plots were sampled 12 months prior to burning, immediately after burning and 12 months after burning. Five heat intensity range of 84.0kw/sec/m to 156.8kw/sec/m for all burnt plots were within acceptable limits for mature eucalyptus and pine damage standards. Under the condition described, a single prescribed burn did not significantly (p=0.05) affect the content of the soil total nitrogen, total phosphorous and available potassium.
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