Organic Matter and Aggregates
Organic Matter and Aggregates Organic Matter and Aggregates Organic matter occurs outside of aggregates as living ...
August 2017
Crop Rotations and Cover Crops
Crop Rotations and Cover Crops Levels of soil organic matter may fluctuate during the different stages of a crop rotation. SOM ma...
HUMAN INFLUENCES
HUMAN INFLUENCES Loss of topsoil that is rich in organic matter by erosion has dramatically reduced the total amount of organic matter s...
Soil Drainage and Position in the Landscape
Soil Drainage and Position in the Landscape Decomposition of organic matter occurs more slowly in poorly aerated soils. In addit...
Amount of Organic Matter in Soils
Amount of Organic Matter in Soils The amount of organic matter in any particular soil is the result of a wide variety of enviro...
The Nitrogen Cycle
Another important global process in which organic mat-ter plays a major role is the nitrogen cycle. It is of direct importance i...
Protection of the Soil against Rapid Changes in Acidity
Protection of the Soil against Rapid Changes in Acidity Acids and bases are released as minerals dissolve and organisms go about the...
Healthy Soils
Healthy Soils It should come as no surprise that many cultures have considered soil central to their lives. After all, peopl...
Soil Tilth
Soil Tilth When soil has a favorable physical condition for growing plants, it is said to have good tilth. Such a soil is porous...
Plant Nutrition-carbon (C), hydrogen (H), oxygen (O), nitrogen (N), phosphorus (P), potassium (K)
Plant Nutrition Plants need eighteen chemical elements for their growth—carbon (C), hydrogen (H), oxygen (O), nitrogen (N...
WHY SOIL ORGANIC MATTER IS SO IMPORTANT
WHY SOIL ORGANIC MATTER IS SO IMPORTANT A fertile and healthy soil is the basis for healthy plants, animals, and humans. And so...
