Soil

Soil Amendments

The Doomsday Vault

The Doomsday Vault

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You’ve probably heard of the Global Seed Vault, a facility located in the Arctic that houses 500 million seeds collected from around the world. The vault is buried beneath the permafrost, and its purpose is to keep safe a supply of seeds we could use to regenerate our food supplies  … Read More

Improving the Soil

Improving the Soil

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In revegetation, everything begins with the soil—usually poor soil.

Soils may become degraded during the construction of buildings, roadside projects, or mining or landfill operations, or because of overgrazing or deforestation. They lose their topsoil, usually the top 2- to 8-inch layer of the soil, where the most important nutrients lie.  … Read More

Hydroseeding for Transportation Projects

Hydroseeding for Transportation Projects

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Hydroseeding has connections with most forms of transportation, including revegetation around highways, airports, and mass transit projects. It is even a part of water-related travel, if one considers work done on the grounds at marinas, shipping channels, and ports.  … Read More

The Low-Down on Dirt

The Low-Down on Dirt

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Monday, December 5, was World Soil Day. Proposed by the International Union of Soil Sciences back in 2002 and adopted by the United Nations General Assembly in 2013, World Soil Day has been used to raise awareness of soil—something the great majority of people take for granted—as a vital resource.  … Read More

Chemical Soil Stabilization – Part 1

Chemical Soil Stabilization – Part 1

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Despite all the work done by earthmoving equipment, each year wind and rain move much more soil than man could ever hope to shovel. And because soil is a finite commodity, one has to hold on to as much of it as possible.

Plantings aid in this quest; the roots of  … Read More

A Black Market for Sand?

A Black Market for Sand?

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What is the one resource the modern world uses more of than anything else except air and water? It’s probably not the first thing that comes to mind. It’s sand. And we’re running out of it.

As this New York Times op-ed piece points out, sand isn’t just for the desert;  … Read More



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