2003). While soil is frequently referred to as the "fertile substrate", not all soils are suitable for growing crops. Ideal soils for agriculture are balanced in contributions from mineral ...

What’s in a word? Well, if it’s the word dirt or soil, it turns out, it’s a lot. While most people, myself included, often ...

Fertile soils with thick loess or alluvial parent ... The redistribution of topsoil from historical sediment deposition sites to eroded landscape positions is a more intensive remediation strategy ...

More than 36 billion tonnes of fertile soil is lost from world agricultural systems ... for sediment budgeting and tracking is important to identify areas where soil erosion and sediment production ...

An ideal topsoil, called loam, is soft and crumbly and has roughly equal parts sand, clay and silt (a fine, dust-like sediment ... the soil with their tunneling and add to its fertility with ...

It gave Iowa one of the most fertile soils on the planet and enabled it to become one of the largest producers of corn, soybeans and oats in the United States over the last 160 or so years.

“Sediment or soil eroding from other locations may be deposited over native soil in fields,” the state said. “This can potentially impact fertility. Since this deposition is often topsoil ...