Soil-Microbe Assessment in Borgu LGA, Nigeria for Sustainable Soil Health and Fertility Management
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Background and Aims : The soil-Microbe relationship has a unique way of influencing rhizosphere and non-rhizosphere ecosystems. The experiment aimed to identify some biological and chemical activities and relate them to the soil's health status in the ecological zone. As well as to investigates the roles of Soil-microbial interactions in maintaining soil health and fertility by examining the microorganisms such as bacteria, fungi, and archaea are essential components of the soil ecosystem, and perform a wide range of functions that are critical for sustainable agriculture Methods : The study was conducted in 14 communities of Savanna Ecology. The soils were of Basement and Sedimentary geological formations. There were varied ranges of enzyme activities in the soil samples at different locations. Amylase activity ranged between 0.01-0.06 ( ug glucose/g soil), Dehydrogenase activity ranged from 0.01-0.38 ( ug TPF g-1 soil), Urease activity 0.010-0.32 ( ug urea g-1 soil) while phosphatase activity ranged from 0.01-0.3 ( ug PNP g-1 soil). Results : Higher range of soil respiration was observed in 3 locations, with a range of 14.51-25.89, 12.58-21.16 and 11.59-21.71 MgCO 2 /soil, respectively. The least was observed in Guffanti, with a soil respiration range of 10.16-17.0 MgCO 2 /gsoil. There were also varied ranges of enzyme activities in the soil samples at different locations. Amylase activity ranged between 0.01-0.06 ( ug glucose/g soil), Dehydrogenase activity ranged from 0.01-0.38 ( ug TPF g-1 soil), Urease activity 0.01-0.32 ( ug urea g-1 soil) while phosphatase activity ranged from 0.01-0.30 ( ug PNP g-1 soil). Conclusion : High metabolic activities in the soil enhanced phosphatase sources and led to the high production of enzymes. The differences recorded in the soil health indicators across the different sampling locations may result from the soil type, agricultural practices, cropping systems and other factors, such as the abiotic and biotic components of the soil.
