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.
Many people seem unclear on just exactly what is a mulch. Very simply, a mulch is anything that covers the soil. They can be made of old leaves, straw, rocks, bark, gravel, boards, bricks, even plastic. Mulches are almost always a very good idea but when it comes to mulches and molds, they aren't all created equally. Bark is a very good material on which to grow mold.