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Husk (or hull) in botany is the outer shell or coating of a seed. In the United States, the term husk often refers to the leafy outer covering of an ear of maize (corn) as it grows on the plant. Literally, a husk or hull includes the protective outer covering of a seed, fruit , or vegetable .
Rice husk ash has long been used in ceramic glazes in rice growing regions in the Far East, e.g. China and Japan. [2] Being about 95% silica, it is an easy way of introducing the necessary silica into the glaze, and the small particle size helps with an early melt of the glaze.
The residue can be ploughed directly into the ground, or burned first. In contrast, no-till , strip-till or reduced-till agriculture practices are carried out to maximize crop residue cover. Simple line-transect measurements can be used to estimate residue coverage.
A controlled burn or prescribed burn (Rx burn) is the practice of intentionally setting a fire to change the assemblage of vegetation and decaying material in a landscape. The purpose could be for forest management , ecological restoration , land clearing or wildfire fuel management.
Another problem with NASA’s data had to do with the number of plants needed to achieve the effects it reported. As Bryan E. Cummings and Michael S. Waring, ...
Cool flames can occur in hydrocarbons, alcohols, aldehydes, oils, acids, waxes, [9] and even methane.The lowest temperature of a cool flame is poorly defined and is conventionally set as a temperature at which the flame can be detected by eye in a dark room (cool flames are hardly visible in daylight).
Japanese automaker Nissan finds itself at a crossroads.Nissan was poised to participate in a megamerger with rival Honda (), and it was a huge development when the talks were revealed late last year.
In grasses (including cereals such as rice, barley, oats, and wheat), the ripe seed is surrounded by thin, dry, scaly bracts (called glumes, lemmas, and paleas), forming a dry husk (or hull) around the grain. Once it is removed, it is often referred to as chaff.