Soil microbial biomass carbon, nitrogen and sulphur as affected by different land uses in Seronga, Okavango Delta, Botswana

Abstract

Aim: The Okavango Delta at Seronga is fragmented into different land uses ranging from grasslands to woodland (Ximenia and mopane), often punctuated w ith cropped and fallow fields.The influence of land uses o n surface (A1 horizon) soil physico -characteristics, nitrogen, sulphur, carbon, microbial population and biomass were studied to understand soil variability in order to devise conservation strategies for the area. Methodology: Total soil nitrogen (N) was analysed using a Leco N analyser, total carbon +