The Family Handyman on MSN2mon
What Every Gardener Should Know About Topsoil
Topsoil is the top portion of the soil consisting of minerals, organic matter and microorganisms. It can range from a few ...
National Geographic news3y
Why soil matters (and what we can do to save it)
Topsoil is used to grow 95 percent of our food, and it is disappearing ten times faster than it is being replaced: America’s corn belt has already lost much of its topsoil, threatening ...
New York man finds mastodon jaw while gardening in his backyard
Scholars are hailing the discovery of a fossilized mastodon jaw discovered by a man who spotted two giant teeth while ...
BBC4y
Why soil is disappearing from farms
But beneath the feet of Iowa’s farmers, a crisis is unfolding. The average topsoil depth in Iowa decreased from around 14-18 inches (35-45cm) at the start of the 20th Century to 6-8 inches (15 ...