A significant characteristic of these soils is that there is not a distinct border between topsoil and subsoil; rather, the two layers merge into one another. They have moderate fertility and retain water to a sufficient degree for agriculture. These dark soils are fertile, retain adequate amount...
of manure. However, manure provides many indirect benefits. It supplies humus, which improves the soil’s physical character by increasing its capacity to absorb and store water, by enhancement of aeration, and by favouring the activities of lower organisms. Manure incorporated into the topsoil ...
Sewage sludge, the solid material remaining from the treatment of sewage, is not permitted in certified organic farming, though it is used in other, nonorganic settings. After suitable processing, it is sold as fertilizer and as a soil amendment for use on lawns, in parks, and on golf cour...
The sand is not visible as it's covered by topsoil. AEROBIC SEPTIC EFFLUENT SPRAY HEAD REPAIR effluent dispersal systems often combined with aerobic septic system designs, treat septic wastewater effluent to level 3 or better (Jantrania/Gross wastewater system type X). S eptic spray systems are...