Throughout human history, our relationship with the soil has affected our ability to cultivate crops and influenced the success of civilizations. This relationship between humans, the earth, and food ...

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

Potting soil, or potting mix, is a substrate that usually consists of garden soil, organic matter and minerals.

Welcome to module one of the Building Soil Master Course, where Leah Webb describes how you can build your soil over time. She goes over the different components of soil, its chemistry, and the ...

Potting soil may seem like it lasts forever, but it has a shelf life. Over time, the organic materials in most potting mixes, such as peat moss, bark, compost, or coconut coir, break down. As they ...

Organic carbon decomposition in soil varies significantly and in regional patterns, driven in part by factors such as soil minerals and microbial properties that have been underrepresented in carbon ...

Soil stores more carbon than Earth's atmosphere and plants combined, which makes the speed of soil carbon's decomposition an important variable in models used to predict changes to our climate.