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.
Organic Materials Management. Nearly 170 businesses in California produce compost and mulch. An extensive survey conducted in 2008 provided the CIWMB (now known as the Department of Resources Recycling and Recovery, or CalRecycle) with key information on the number of producers, feedstock sources, products, and markets for compost and mulch.