Soils have a natural characteristic called the cation exchange capacity (CEC) that allows them to hold (and exchange) cations (e.g., Ca+2 or Na+). These cations are held tight enough on the CEC that ...

We'll also teach you how to amend the soil you have so you can grow the plants you want. Depending on where you live, you're likely to have one of six different types of soil: loam, clay, sandy, silty ...

Students in Soil Science 100 examining wet soil at UC Davis Russell Ranch, October 2016. A teaspoon of soil teems with billions of microbes that are vital to all life on Earth. UC Davis researchers ...

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 ...