A preliminary phase in cleaning up century-old pollution at a former manufactured gas plant in Napa started up this month. The California Department of Toxic Substances Control is overseeing soil gas ...

Capturing soil gas hydrocarbons requires special sampling equipment and handling, does not allow for the proper integration of sampling at each location, and can be expensive to analyze. Methods are ...

The precision agriculture industry hasn’t done a great job articulating the value of site-specific soil testing, which has led to frustration from farmers, who aren’t sure how to use what they learn ...

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

The soil test provides a starting place for a soil improvement program for the home gardener. Unless you know the problems in ...