King County scientists created a soil mix that removes a toxic chemical from tire dust, potentially saving coho salmon.

Before a nutrient can be used by plants it must be dissolved in the soil solution. Most minerals and nutrients are more soluble or available in acid soils than in neutral or slightly alkaline soils.

Study: Redistributing soil can restore nutrients, improve water retention, and significantly boost crop yields on eroded ...

The CEC is a measure of a soil's ability to exchange positive ions between the soil particles and solution surrounding these particles. Due to their high surface area, clay particles can exert a ...

(2005). Another particularly important chemical property of water that impacts processes occurring within the soil solution is that it is amphoteric, meaning that it can act as either an acid or a ...

Enter the Rise Garden system — a sleek, indoor hydroponic gardening solution that’s here to save the day (and your soil).

Generally, the steps involve mixing a soil sample with a testing solution, waiting for the reaction, then comparing the results to a chart. Depending on the type of kit, there may be other steps ...

With the onset of the long rains, Kenya is about to enter another cycle of flooding and soil erosion. As history has shown, ...