Effect of pruning frequency and pruning height on the biomass production of Tithonia diversifolia (Hemsl) A. Gray

Samuel T. Partey

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    Abstract

    Addition of tree or shrub prunings through alley cropping or biomass transfer systems have contributed to sustainable land-use systems in the tropics. Long term productivity of biomass transfer systems require shrub or tree species that coppice after cutting to provide sufficient plant nutrients. The effect of pruning frequency and cutting height on the biomass production of Tithonia diversifolia was studied to provide information for managing hedges. Results showed that height of cutting, pruning frequency, and their interactions significantly affected dry matter production of T. diversifolia. The results also showed that a significantly higher biomass production could be produced when Tithonia was pruned at long time intervals. Pruning height was also of importance in the harvesting of Tithonia biomass and it was evident that dry matter production was highest when Tithonia was pruned bimonthly at 50 cm height. With bi-monthly pruning frequency, dry matter production could be as high as 7. 2 t ha -1 yr -1 which might be a sufficient biomass to improve soil productivity in biomass transfer systems. © 2011 Springer Science+Business Media B.V.
    Original languageEnglish
    Pages (from-to)181-187
    Number of pages6
    JournalAgroforestry Systems
    Volume83
    Issue number2
    Publication statusPublished - Oct 2011

    Keywords

    • Agroforestry
    • Biomass production
    • Plant management
    • Soil fertility

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