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Salts are compounds formed when positively charged cations such as sodium (Na⁺), calcium (Ca²⁺), magnesium (Mg²⁺) and potassium (K⁺) combine with negatively ...

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 ...

A growing body of research suggests that combining biochar with other soil amendments such as compost, manure, or fertilizers may improve soil health ...

Is colourimetry the future of soil carbon measurement?New research led by Dr Yassine Bouslihim at the National Institute of ...