Mulch, such as straw or wood chips, can effectively smother weeds, says Lovejoy. Applying a 2- to 4-inch layer of mulch to ...

Learn More › In some areas of the country, the choice between mulching with pine needles and wood mulch is a tough one. Since ...

A team of researchers has developed a new strategy for identifying hazardous pollutants in soil -- even ones that have never been isolated or studied in a lab.