Small Farm Holder Cropping Systems Influence Microbial Profiles in an Equatorial Rainforest Agroecosystem

Abstract

The metabarcoding of prokaryotic and fungal (Ascomycota only) ribosomal DNA was used to describe the microbial communities in soils of a remnant equatorial rainforest, maize–bean intercrop, and sugarcane in western Kenya. Cropping systems influenced the microbial community composition and functional traits (energy source and nutrient cycling) of bulk soil in each crop. Microbial richness and diversity tended to increase with cultivation intensity. The soil of the maize–bean intercrop had lower percentages and sugarcane had higher percentages of unique amplicon sequence variants of both bacteria and fungi compared to the remnant forest. Functional traits were altered by cultivation intensity. Compared to remnant forest soils, maize–bean intercrop soil had lower percentages of aerobic chemoheterotrophic bacteria and higher percentages of N-cycling bacteria, while sugarcane had higher percentages of aerobic chemoheterotrophic bacteria and lower percentages of N-cycling bacteria. In the face of increasing forest loss and pressures for agricultural productivity, this landscape provides a rich site for studying the impacts of cropping systems on soil health.

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APA

Weerasuriya, M (2024). Small Farm Holder Cropping Systems Influence Microbial Profiles in an Equatorial Rainforest Agroecosystem. Afribary. Retrieved from https://tracking.afribary.com/works/small-farm-holder-cropping-systems-influence-microbial-profiles-in-an-equatorial-rainforest-agroecosystem

MLA 8th

Weerasuriya, Matindu "Small Farm Holder Cropping Systems Influence Microbial Profiles in an Equatorial Rainforest Agroecosystem" Afribary. Afribary, 04 Jun. 2024, https://tracking.afribary.com/works/small-farm-holder-cropping-systems-influence-microbial-profiles-in-an-equatorial-rainforest-agroecosystem. Accessed 14 Jan. 2026.

MLA7

Weerasuriya, Matindu . "Small Farm Holder Cropping Systems Influence Microbial Profiles in an Equatorial Rainforest Agroecosystem". Afribary, Afribary, 04 Jun. 2024. Web. 14 Jan. 2026. < https://tracking.afribary.com/works/small-farm-holder-cropping-systems-influence-microbial-profiles-in-an-equatorial-rainforest-agroecosystem >.

Chicago

Weerasuriya, Matindu . "Small Farm Holder Cropping Systems Influence Microbial Profiles in an Equatorial Rainforest Agroecosystem" Afribary (2024). Accessed January 14, 2026. https://tracking.afribary.com/works/small-farm-holder-cropping-systems-influence-microbial-profiles-in-an-equatorial-rainforest-agroecosystem

Small Farm Holder Cropping Systems Influence Microbial Profiles in an Equatorial Rainforest Agroecosystem

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