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<p>Foliar inputs from indigenous agroforestry tree/shrub provide organic matter and nutrients to sustain crop production in the West African Sahelian region. This study aims at monitoring the decomposition and nutrients release of leafy biomass of selected agroforestry tree and shrub species. In Mali and Burkina Faso, fresh leaves were collected from leguminous trees (<i>Faidherbia albida</i> (Delile) A. Chev., <i>Pterocarpus lucens</i> Lepr.) and non-leguminous trees (<i>Vitellaria paradoxa</i> C.F. Gaertn., <i>Khaya senegalensis</i> (Desr.) A. Juss.) and in Senegal, fresh leaves were obtained from leguminous trees (<i>Faidherbia albida</i> (Delile) A. Chev., <i>Pterocarpus lucens</i> Lepr. and <i>Piliostigma reticulatum</i> (DC.) Hochst.) and the non-leguminous tree <i>Guiera senegalensis</i> J.F. Gmel. The leaf samples collected during the dry and rainy seasons were deployed for decomposition and nutrient release experiments using the litter bag technique. Average decomposition rate for this study was 0.23 <i>k</i> week<sup>− 1</sup> whereby the rate of decomposition was 155% higher in the rainy season than in the dry season. Average decomposition rate of leguminous tree and shrub leaves was 1.4-folds greater than that of non-leguminous counterparts. To optimize the synchronization of nutrient release from green manure with crop nutrient demands, manure should be co-applied considering seasonal and species effects.</p>

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Decomposition and nutrient release from leaves of some common agroforestry tree/shrub species of Sudano-Sahelian West Africa

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月24日

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  • Siriki Fané,
  • Deogratias Kofi Agbotui,
  • Mariko Ingold,
  • Cheikh Ndiaye,
  • Sidi Sanogo,
  • Andreas Buerkert

摘要

Foliar inputs from indigenous agroforestry tree/shrub provide organic matter and nutrients to sustain crop production in the West African Sahelian region. This study aims at monitoring the decomposition and nutrients release of leafy biomass of selected agroforestry tree and shrub species. In Mali and Burkina Faso, fresh leaves were collected from leguminous trees (Faidherbia albida (Delile) A. Chev., Pterocarpus lucens Lepr.) and non-leguminous trees (Vitellaria paradoxa C.F. Gaertn., Khaya senegalensis (Desr.) A. Juss.) and in Senegal, fresh leaves were obtained from leguminous trees (Faidherbia albida (Delile) A. Chev., Pterocarpus lucens Lepr. and Piliostigma reticulatum (DC.) Hochst.) and the non-leguminous tree Guiera senegalensis J.F. Gmel. The leaf samples collected during the dry and rainy seasons were deployed for decomposition and nutrient release experiments using the litter bag technique. Average decomposition rate for this study was 0.23 k week− 1 whereby the rate of decomposition was 155% higher in the rainy season than in the dry season. Average decomposition rate of leguminous tree and shrub leaves was 1.4-folds greater than that of non-leguminous counterparts. To optimize the synchronization of nutrient release from green manure with crop nutrient demands, manure should be co-applied considering seasonal and species effects.