Examples of relevant educational fields for this position include but are not limited to: Soil Science, Soil Genesis, Pedology, Soil Chemistry, Soil Physics, Soil fertility or biological, physical, or earth science or other soils-related disciplines that will allow applicants to qualify for the conversion requirements listed within the vacancy announcement upon graduation. GS-0470 Basic Requirement: Degree: soil science or a closely related discipline that included 30 semester hours or equivalent in biological, physical, or earth science, with a minimum of 15 semester hours in such subjects as soil genesis, pedology, soil chemistry, soil physics, and soil fertility.