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Original Research
Published 19 August 2026
Edaphic heterogeneity shapes bacterial microbiome composition and rhizobial diversity in smallholder cowpea farms of semiarid eastern Kenya
Ahmed Kassem Khater · Ezekiel Mugendi Njeru · Stephen Mwangi Githiri
Frontiers in Soil Science
doi 10.3389/fsoil.2026.1911455