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.
fresh and partially decomposed biomass (plant and animal), and the well decomposed and stable biomass fraction (humus). soil structure: The aggregation, or secondary shape, of soil particles which ...
To alleviate pests, plant mustards, and if your soil could use more humus, plant cowpeas. Your local nursery will have bulk cover crop seed and can help you figure out what would be best for your ...
Soil is a mixture of tiny particles of rock, dead plants and animals, air and water. Different soils have different properties depending on their composition. Sandy soil is pale coloured and has ...
This forest is found at elevations above 2800-3000 feet on steep mountain slopes,growing on a fragile layer of often saturated soil comprised of organic duff over an acidic, nutrient-poor humus and a ...