Biomass production and nutrient content of three agroforestry tree species growing on an acid Anthropic Ferralsol under recurrent harvesting at different cutting heights

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dc.contributor.authorMukangango, Marguerite
dc.contributor.authorNduwamungu, Jean
dc.contributor.authorNaramabuye, Francois Xavier
dc.contributor.authorNyberg, Gert
dc.contributor.authorDahlin, A. Sigrun
dc.date.accessioned2023-02-01T23:45:09Z
dc.date.available2023-02-01T23:45:09Z
dc.date.issued2020-06
dc.description© The Author(s) 2020. This article is published with open access at Springerlink.com and is licensed under the Creative Commons Attribution 4.0 International License - https://creativecommons.org/licenses/by/4.0/ . The Version of Scholarly Record of this Article is published in Agroforestry Systems, 2020, available online at: https://link.springer.com/article/10.1007/s10457-019-00455-8 . Keywords: legume trees; cutting height; repeat harvesting; biomass production; chemical composition; Africa; Rwanda.
dc.description.abstractAgroforestry systems may alleviate challenges relating to soil degradation and low livestock production for smallholder farmers. Species-adjusted management regimes will determine how agroforestry fits in farming systems. Long-term productivity of biomass in agroforestry systems managed for fodder production requires tree species that coppice after repeated cutting. This study evaluated the effect of different cutting heights (0.3 and 1.0 m) and repeated harvests (1–5) on biomass production and chemical composition of the leguminous trees Acacia angustissima, Leucaena pallida and Mimosa scabrella in a field study on an Anthropic Ferralsol in Southern Rwanda. Shoot biomass production was highest at 0.3 m cutting height for A. angustissima and L. pallida, but M. scabrella could not survive that cutting height. Shoot biomass was highest for A. angustissima and lowest for M. scabrella, which did not adapt to repeated harvests. Leaf:stem ratio was not affected by cutting height. Cutting height did not affect crude protein (CP), but neutral detergent fibre (NDF), acid detergent fibre (ADF) and total polyphenol (TP) concentrations were higher at 1.0 m cutting height than at 0.3 m. Crude protein was highest in A. angustissima and lowest in M. scabrella, while NDF and ADF were highest in M. scabrella. Although all species provided high feed quality in terms of high CP content at both cutting heights, low cutting height (0.3 m) is recommended for A. angustissima and L. pallida for higher overall quality and biomass production.
dc.description.sponsorshipOpen access funding provided by Swedish University of Agricultural Sciences. We thank the Swedish International Development Agency (Sida) for financial support through the UR-Sweden programme for Research, Higher Learning and Institutional Advancement, and University of Rwanda (UR), Swedish University of Agricultural Sciences (SLU) and those who contributed to this study. We thank the reviewers for valuable comments and constructive criticism that has contributed to an improved manuscript.
dc.identifier.citationMukangango, M., Nduwamungu, J., Naramabuye, F.X., Nyberg, G., & Dhalin, A. S. (2020). Biomass production and nutrient content of three agroforestry tree species growing on an acid Anthropic Ferralsol under recurrent harvesting at different cutting heights. Agroforestry Systems, 94, 857–867. https://doi.org/10.1007/s10457-019-00455-8
dc.identifier.otherhttps://doi.org/10.1007/s10457-019-00455-8
dc.identifier.urihttps://hdl.handle.net/20.500.14096/235
dc.language.isoen
dc.publisherSpringer Nature
dc.titleBiomass production and nutrient content of three agroforestry tree species growing on an acid Anthropic Ferralsol under recurrent harvesting at different cutting heights
dc.typeArticle

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