Working Document Series Open Access 2010 RUF-35116

Soil biodiversity research in Uganda: Gains, consolidation and capacity needs

A. AkolB. IsabiryeM. IsabiryeG. MutumbaC. NkwiineM. J. OkwakolM. C. Rwakaikara-SilverS. Serani

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Abstract

99 words

We examined abundance and diversity of rhizobia, arbuscular mycorrhiza fungi, nematodes, collembolan, termites, earthworms, ants and beetles in forest, grassland, mixed cropping, fallow, sugar and tea plantation; encompassing Mabira forest and adjacent agro-systems. Belowground biodiversity (BGBD) sub-indicator was computed to predict the general soil quality (GISQ). Legume and earthworm inoculation for conservation and agricultural enhancement was also tested. Biota abundance and genera diversity diminished with land used change. The GISQ correlated (p<0.0001) with BGBD hence a feasible indicator. Inoculation either with rhizobia or earthworms gave profitable soybean and maize grain yields, respectively. Building capacity for further studies is recommended.

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