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 ...

Follow these steps to determine what is the percentage of area of your property that falls into each Hydrologic Soils Group. If you are struggling with this section, you can use the deafult values ...

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 ...

Theories of soil mechanics and their application. Drained and undrained stress-strain and strength behavior of soils. Lateral earth pressures, bearing capacity, slope stability, seepage and ...

Genetic Switch Could Help Control Leaf Growth in Poor Soils Feb. 27, 2025 — A new study has identified a genetic circuit in plants that controls individual leaf growth and allows the plants to ...

Improve your soil by making biochar in the ground. DIY biochar enhances nutrient availability and also enables soil to retain nutrients longer. Last year, I committed one of the great sins of ...

2005). With the exception of C, H, and O, which plants obtain from air and water, plants derive the remaining 14 elements from the soil or through fertilizers, manures, and amendments (Parikh ...

Throughout human history, our relationship with the soil has affected our ability to cultivate crops and influenced the success of civilizations. This relationship between humans, the earth ...

Soil Science involves course work and thesis research in soil chemistry, soil fertility and management, soil physics, soil microbiology and biochemistry, environmental microbiology, soil and water ...

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 ...

In the wet forests of southeastern Australia, superb lyrebirds engage in extraordinary behavior—tilling the soil to create habitats for their prey to flourish. Moss crusts, an advanced form of ...