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Chaff (/ tʃ æ f /; also UK: / tʃ ɑː f /) [1] is dry, scale-like plant material such as the protective seed casings of cereal grains, the scale-like parts of flowers, or finely chopped straw. Chaff cannot be digested by humans, but it may be fed to livestock , ploughed into soil, or burned.
Rice husk. Rice hulls or husks are the hard protecting coverings of grains of rice. In addition to protecting rice during the growing season, rice hulls can be put to use as building material, fertilizer, insulation material, or fuel. Rice hulls are part of the chaff of the rice.
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 .
Bran is not the same as chaff, which is a coarser, scaly material surrounding the grain, but does not form part of the grain itself, ...
Poppy straw (left) and seeds (right) Poppy seed heads, pods or capsules Poppy straw (also known as opium straw, mowed opium straw, crushed poppy capsule, poppy chaff, or poppy husk) is derived from opium poppies (Papaver somniferum) that are harvested when fully mature and dried by mechanical means.
A large amount of chaff and straw would accumulate around a threshing machine, and several innovations, such as the air chaffer, were developed to deal with this. Combines generally chop and disperse straw as they move through the field, though the chopping is disabled when the straw is to be baled, and chaff collectors are sometimes used to ...
A rice huller or rice husker is an agricultural machine used to automate the process of removing the chaff (the outer husks) of grains of rice. Throughout history, there have been numerous techniques to hull rice. Traditionally, it would be pounded using some form of mortar and pestle. An early simple machine to do this is a rice pounder.
Detailed illustration of the different parts constituting a wheat kernel. The germ of a cereal grain is the part that develops into a plant; [1] it is the seed embryo. [2] Along with bran, germ is often a by-product of the milling [3] that produces refined grain products.