Glossary F

The Environmental Glossary. Letter F +++ 'Fuel', 'Fauna', 'Frequency'
A Flow volume curve is Graph of instantaneous forced expiratory flow recorded at the mouth, against corresponding lung volume.
flowage lakes are areas of a river system which are sufficiently deep, slow moving and wide to have lacustrine characteristics. Unlike reservoirs, they typically have wide inflow and

The Flowering is the stage when the crop starts llowering. In corn, tassel emergence and pollen shedding takes place at this stage. 

- Fluidized bed combustion (FBC) : A Fluidized bed Combustion (FBC) is Process for burning coal more efficiently, cleanly, and cheaply.
Fluorocarbon s are Carbon-fluorine compounds that often contain other elements such as hydrogen, chlorine, or bromine.
A Flush System is a Manure removal system in which an area is cleaned by high volumes of fresh water, or Gray Water that is recycled from a Manure Pit or lagoon.
A Food and Drug Administration (FDA) is an agency of the U.S.
Food web is the complex network of many interconnected food chains and feeding relationships. Compare food chain .
A Footbath is a long shallow tub or Depression in the concrete where cows walk through a mild solution (usually including copper sulfate or formalin) to promote foot health.