Add Yahoo as a preferred source to see more of our stories on Google. Soil type affects how it retains water and nutrients.Photograph: iStock/Getty Images (Photograph: iStock/Getty Images) I often ...

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 ...

Scientists have uncovered how different types of biochar influence the movement of water in agricultural soils that contain excessive phosphorus, offering new insights into how farmers can reduce ...