Improved Crop Productivity and Soil Properties under Varying Planting Densities of Pentaclethra Macrophylla Benth. and Acacia Auriculiformis A. Cunn. In Congo Basin

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dc.contributor.authorMapenzi, Neville
dc.contributor.authorKatayi, Alain L.
dc.contributor.authorBauters, Marijn
dc.contributor.authorMasimane, Jules
dc.contributor.authorSchure, Jolien
dc.contributor.authorKweyu, Raphael
dc.date.accessioned2023-10-31T08:19:06Z
dc.date.available2023-10-31T08:19:06Z
dc.date.issued2023-09
dc.descriptionArticleen_US
dc.description.abstractSoil fertility depletion is a major constraint to agricultural production in the Congo Basin and is aggravated by climate change. Therefore, agroforestry systems (AFS) are used to improve soil fertility and crop productivity. Indeed, Pentaclethra macrophylla and Acacia auriculiformis are among the most agroforestry species used in this basin. However, smallholders are limited in their choice of agroforestry species and the spacing. Hence, this study comparatively evaluated the efects of P. macrophylla (native) and A. auriculiformis (exotic) legume tree species on soil macronutrients and food crops’ yield during four cropping seasons. To do this, a multifactor trial design was implemented in Lobilo catchment, Congo Basin, with two tree species, four tree planting densities (T1: 2500 trees× ha−1, T2: 625 trees× ha−1, T3: 278 trees× ha−1; and T0: crop monoculture), and three intercrops (cassava, maize, and peanut). The results revealed that both agroforestry species did not signifcantly difer regarding their impact on soil macronutrients. The total nitrogen and the pH in soil have increased with the cropping seasons. With regard to the food crops, cassava and maize yield were greater under P. macrophylla than under A. auriculiformis. However, the 2500 trees× ha−1 density negatively afected food crops’ yield and did not allow food crop production after the second cropping season. To maximize the positive efects of these AFS, it is essential to plant or co-plant these two agroforestry species at 625 trees× ha−1 density Future research could investigate other native species and include water and light interactions.en_US
dc.description.sponsorshipEuropean Union’s FORETS (Formation, Recherche et Environnement dans la Tshopo) projecten_US
dc.identifier.citationMapenzi, N., Katayi, A. L., Bauters, M., Masimane, J., Schure, J., Kweyu, R., & Nabahungu, N. L. (2023). Improved crop productivity and soil properties under varying planting densities of Pentaclethra macrophylla Benth. and Acacia auriculiformis A. Cunn. in Congo Basin. Agroforestry Systems, 1-13.en_US
dc.identifier.urihttps://doi.org/10.1007/s10457-023-00908-1
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/27100
dc.language.isoenen_US
dc.publisherSpringer Linken_US
dc.subjectCongo Basinen_US
dc.subjectAgroforestryen_US
dc.subjectFood crop yielden_US
dc.subjectSoil nutrientsen_US
dc.subjectPentaclethra macrophyllaen_US
dc.subjectAcacia auriculiformisen_US
dc.subjectLobilo catchmenten_US
dc.titleImproved Crop Productivity and Soil Properties under Varying Planting Densities of Pentaclethra Macrophylla Benth. and Acacia Auriculiformis A. Cunn. In Congo Basinen_US
dc.typeArticleen_US
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