AFSRC is well-known for its expertise on soil nutrition and karst hydrology. In a study of spatial distribution of soil nutrients in karst sinkholes, Derek Hall, Physical Science Technician, operates a tractor mounted soil sampler while a former AFSRC employee and Laura Cooper, Biological Science Technician, prepare the samples for transport back to the research laboratory where chemical analyses will take place. Edward Lester, Agricultural Science Research Technician, operates the tractor.

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