Makes excess Magnesium non-toxic: Calcium is essential to the biochemical mechanisms by which most plants nutrients are absorbed by roots. Without adequate calcium, uptake mechanisms would fail. In soils having unfavorable calcium magnesium ratios, such as serpentine soils, gypsum can create a more favorable ratio. Thus render Magnesium non-toxic.
The vinyl gypsum ceiling panels are also approved by the Department of Agriculture of the United States of America. The panels are cut easily and can fit in standard suspended ceiling grids. They are easily washable. Lightly rubbing the surface with damp cloth or sponge using soap or detergent will remove dirt and marks. Strong organic solvent cleaners and steel wool are not recommended to use in cleaning the boards.
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Some gypsum plaster systems can be applied directly to drywall with the use of bonding agents. This type of plaster, known as ”veneer plaster”, is typically applied in one thin coat. Gypsum veneer plaster is fast and usually less expensive than traditional gypsum plaster. When applying a veneer plaster, all joints in the drywall must be prepared with joint compound or with the manufacturer’s recommended joint treatment materials. Once the joints are treated, a bonding agent is required. This is a water based PVA (polyvinyl acetate) or an acrylic bonding agent. PVA bonding agents are for interior use only because they re-emulsify when they get wet. PVA bonding agents are the most popular because they can be dry before the plaster coat is applied (as opposed to an acrylic bonding agent, which must still be wet when the plaster is applied, forcing the applicator to rush the process). A controlled environment is also important when applying a gypsum veneer finish, although some veneers are modified with acrylics, cement and chemicals, providing a better bond, higher compressive and tensile strengths, crack resistance, color retention and crack resistance. These modifications may make the product easier to work with and will give the applicator more flexibility. Once the finish coat is dry and completed, it should be sealed with a water based sealer.
Increases water retention in soil: Gypsum when applied to sodic soil reduced the levels of exchangeable sodium resulted in increase in water retention. The improved soil structure help in the more retention of water.
Increases the stability of soil organic matter: Gypsum is a source of calcium responsible for the binding of soil organic matter to clay and gives stability to soil aggregates.
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