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

In a news release from the County Water and Land Resources Division (WLRD), scientists said they might have created a new ...

The scientific discovery is gratifying for those who have watched in agony as coho salmon have died in urban streams for ...

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.

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 ...

Whether you're growing tomatoes, managing crops or striving for the perfect lawn, soil testing is key to success.

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 ...

“Biochar is already a compelling solution,” said Thomas A ... the better chance that carbon will stay in the soil. The local climate matters, too, as warmer soils lead to more microbial ...