leaching in geology loss of soluble substances and colloids from the top layer of soil by percolating precipitation. the materials lost are carried downward (eluviated) and are generally redeposited (illuviated) in a lower layer. this transport results in a porous and open top layer and a dense compact lower layer.
leaching is the loss or extraction of certain materials from a carrier into a liquid (usually but not always a solvent). and may refer to: . leaching (agriculture) the loss of water-soluble plant nutrients from the soil; or applying a small amount of excess irrigation to avoid soil salinity leaching (chemistry) the process of extracting substances from a solid by dissolving them in a liquid
in agriculture leaching is the loss of water-soluble plant nutrients from the soil due to rain and irrigation. soil structure crop planting type and application rates of fertilizers and other factors are taken into account to avoid excessive nutrient loss.leaching may also refer to the practice of applying a small amount of excess irrigation where the water has a high salt content to
read page 3 of the terre d'umbria lead content discussion from the chowhound cookware stoneware food community. join the discussion today.
leaching in plants is more an environmental concern than that of poor drainage. once your pesticides have leached from the plants themselves down through your soil into the water table they begin to affect the environment.
if the soil is very porous leaching is unavoidable. generally sand is the most porous medium allowing the chemicals to easily pass through it. on the other hand leaching is less of a problem for soil like clay. factors that affect the degree of leaching. there are several factors that make the soil prone to leaching.
the b. smith with style episode guide includes recaps for every episode from every season and a full list of where you can watch episodes online instantly.