Water held between soil particles against the force of gravity.
The smallest of inorganic particles in the soil.
The most basic form of matter which maintains the characteristics of the substance.
Water that drains out of the soil after it has been wetted.
Any material added to the soil to provide nutrients.
Percentage of nutrients in fertilizer.
Water pulled downward in the soil by gravity.
Water that forms a thin film around soil particles and is not available to plants.
The artificial application of water to plants.
A substance that is added to soil, used to raise pH.
The nutrients needed by plants in the largest amounts; such as nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur.
The nutrients needed by plants in small amounts; such as boron, copper, chlorine, iron, manganese, molybdenum, nickel, and zinc.
Decayed or partially decayed remains of plants and animals found in the soil.
The measure of acidity or alkalinity of the soil.
Space between soil particles.
The largest of the soil particles.
The middle sized of the soil particles.
The ability of soil to provide nutrients for plant growth.
A cross section of the soil, usually 3 to 4 feet deep.
The process of preventing growth of plants in a soil.
The way soil particles are arranged.
The amount of sand, silt, and clay in soil.
The layer of soil below the topsoil.
The layer of soil found on the surface.