Soil pH or soil reaction is an indication of the acidity or alkalinity of soil and is measured in pH units. Soil pH is defined as the negative logarithm of the hydrogen ion concentration. The pH scale ...

Soils can be thought of as storehouses for plant nutrients. Many nutrients, such as calcium and magnesium, may be supplied to plants solely from reserves held in the soil. Others like potassium are ...

A worm burrows its way through the dark earth, ingesting particles of soil and expelling nutrient-rich casts in a constant forage for food. Charles Darwin described earthworms as one of the most ...

Sep. 13, 2024 — In a new study, researchers have determined through both statistical analysis and in experiments that soil pH is a driver of microbial community composition -- but that the need ...

The increasing human population is placing greater pressure on soil and water resources and threatening our ability to produce sufficient food, feed, and fiber. As a result, there is a growing ...

When European-American settlers first began ploughing in Iowa, they found the weather and local geology had combined this organic mulch with sand and silt to form a nutrient-rich type of soil ...

A new book from Harvard scholar Keidrick Roy, “ American Dark Age: Racial Feudalism and the Rise of Black Liberalism ,” lays ...

“The soil has been relatively good and that helped ... Due to CGS' experience he stressed that the gradation of the mix is what really counts. “The more cement you have, the more it travels ...

Soil fertility is the ability of soil to sustain plant growth and optimize crop yield. This can be enhanced through organic and inorganic fertilizers to the soil. Nuclear techniques provide data that ...

Soil is a mixture of tiny particles of rock, dead plants and animals, air and water. Different soils have different properties depending on their composition. Sandy soil is pale coloured and has ...

The 2021 peer-reviewed study Pesticides and Soil Invertebrates: A Hazard Assessment shows that pesticides widely used in American agriculture pose a grave threat to organisms needed for healthy soil, ...