Soil characteristics include color, texture, mineral composition ... Vaughan's experiment consisted of studying how dark the color of the soil was, as well as its water content, vegetation ...

The dark soil used in the experiment can only ... quantified changes in soil pH, texture, concentration of organic matter and of many chemical elements, including potassium, calcium and magnesium ...

A new article details methods of determining a soil's texture by feel, an important skill for students of soil science. Soil texture strongly influences the nutrient holding ability of a soil ...

GOLDEN VALLEY, Minn. — Understanding the texture of your garden soil is crucial for successful planting and gardening. Soil texture affects water retention, drainage, aeration, and nutrient ...

CORVALLIS, Ore. - It's a simple equation: If you want to grow better plants, you first need to understand the soil. "The texture of a soil is its proportion of sand, silt and clay," said James ...