A $20 UMass Amherst soil test gives gardeners custom advice to improve soil, save money and help plants grow better.

One of the most common questions gardeners have is how to fertilize specific plants. Many plants have individual nutrient needs, but for all plants it is impossible to guess at what you need without ...

MARTINEZ, Calif. -- A toxicologist hired by Contra Costa County began collecting soil samples Thursday to be tested for contaminants related to last year's accidental release of "spent catalyst" from ...

Why is soil sampling such an important step before starting construction? A recent HelloNation article featuring Drilling ...

Heavy metal contamination of soils has emerged as a significant environmental concern, primarily due to its detrimental impact on food quality, groundwater, micro-organisms, and plant growth. Human ...

Quick strip tests reveal how much nitrogen is already available in soil and irrigation water, helping you avoid unnecessary ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photos by Robert Gauthier / Los Angeles Times, Michael Owen Baker / For The Times) Over three days in late March, four Los ...