The Bureau of Reclamation will host its 2012 Earth School: Visual Identification of Soils and Introduction to Geotechnical Investigation March 6 – 8. Participants will learn about techniques used to ...

Soil judging is a hands-on experience for students to visualize and apply classroom knowledge in a field environment. Students describe soil morphology, classify soils and make land use ...

March is when gardeners' fingers start to really twitch. The sun's warmth and patches of bare earth make us yearn for the ...

Perspective -- Geologic time : The quaternary period ; Archeology ; Estimating geologic time ; Early estimates of geologic time -- Weathering and erosion : Structure of the rocks ; Structure in ...

Soil scientists offer a newly nuanced understanding of different soil organic matter components that can be increased through varied management strategies. As the planet warms due to excess carbon ...

Saltwater intrusion from sea level rise and tidal flooding is increasing soil salinity risks in coastal farm fields (Figure 1). Soil salinity is related to the presence of soluble salts and cations ...