Humus is highly recalcitrant, and this resistance to decomposition leads to a long residence time in soil. Plant debris is less recalcitrant, resulting in a much shorter residence time in soil.

THE part played by humic manures in soil processes and in plant nutrition, both as a source of mineral elements and by improving the physical condition of the soil, is well known. The advantages ...

You can actually see humus, it’s what gives soil its dark brown color. Generally, the darker the soil, the more humus there is. Humus is essential for healthy soil. It improves soil tilth and ...

The soil beneath our feet may look dull, but it is essential to all life on the planet. You might be amazed at what soil is ...

Will such soil in the Bavarian Alps soon just be a mere memory? Humus-rich soil in the Wetterstein Forest near Garmisch-Partenkirchen.

Today, the importance of soil structure and soil water storage. Simply put, the soil is made up of stuff and not stuff. The ...

The columnist notes some reasons for composting being so beneficial. All you need to start is to pile materials from leaves, ...

producing an acid humus. The acidic conditions are not liked by soil organisms which would normally merge the boundaries of the horizons.

Soil with not much compost or humus in it will blow away in the wind very easily. Putting compost in your soil feeds the soil and makes it strong and healthy.