WEDNESDAY, April 10, 2013 â A common virus affecting 79 million Americans, already known to cause cervical and head and neck cancers, may also be linked to lung cancer, according to preliminary research findings presented at the American Association for Cancer Researchâs annual meeting.
Organic mulch is material that is applied to the surface of garden soil to protect plantings and improve soil structure. Mulch is considered organic if it is made of material that was previously living plant matter. Examples of organic mulch include shredded leaves, compost, and crushed corn cobs.
A protective covering, usually of organic matter such as leaves, straw, or peat, placed around plants to prevent the evaporation of moisture, the freezing of roots, and the growth of weeds. tr.v. mulched, mulchÂ·ing, mulchÂ·es. To cover or surround with mulch.