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Soil aeration is the mechanism of improving the exchange of gases between the atmosphere and soil. Through soil microbial activity and plant root respiration , certain gases such as oxygen will be depleted in the soil, while others, such as carbon dioxide, will build up in the soil. [ 1 ]
Aeration (also called aerification or aeriation) is the process by which air is circulated through, mixed with or dissolved in a liquid or other substances that act as a fluid (such as soil). Aeration processes create additional surface area in the mixture, allowing greater chemical or suspension reactions.
Reinforced autoclaved aerated concrete (RAAC) is a reinforced version of autoclaved aerated concrete, commonly used in roofing and wall construction. The first structural reinforced roof and floor panels were manufactured in Sweden. Soon after, the first autoclaved aerated concrete block plant started there in 1929.
Double digging is a gardening technique used to increase soil drainage and aeration. It involves the loosening of two layers of soil , and the addition of organic matter. Double digging is typically done when cultivating soil in a new garden, or when deep topsoil is required.
There are two main types of submerged diffused aeration systems for lagoon applications: floating lateral and submerged lateral. Both these systems utilize fine or medium bubble diffusers to provide aeration and mixing to the process water. The diffusers can be suspended slightly above the lagoon floor or may rest on the bottom.
Air entertainment is a process that should be tightly controlled to avoid naturally occurring entertainment, which means the unintentional or undesirable presence of air voids in concrete, caused by factors such as improper mixing or insufficient consolidation, which may lead to reduced strength and durability due to inconsistent sizes and ...
Aerated static piles offer process control for rapid biodegradation, and work well for facilities processing wet materials and large volumes of feedstocks. ASP facilities can be under roof or outdoor windrow composting operations, or totally enclosed in-vessel composting , sometimes referred to tunnel composting.
Linear aeration is an aeration process that allows water to penetrate the soil and to be retained in the proper amounts. [1] Additionally, it can also add organic nutrition and soil softeners (such as humus , topsoil , compost , sand or clay ) if necessary.
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