Threshing

The separation of grain from its husk. Ancient threshing consisted of pounding the grain and then throwing it into the wind, which would carry off the light husks and allow the clean grain to fall to a mat. Modern methods use a wide range of machines that vary from small hand-driven machines to combine harvesters. Thrips

Small (0.5-2.0 mm) insects of the Order Thysanoptera, which are mostly plant feeders. Many are crop parasites, and some are responsible for spreading plant virus diseases. Ticks

Blood-sucking arachnids. Tiller

(1) A side shoot of a cereal. (2) One who tills (i.e., cultivates) the soil. Tilth

The condition of soil: "In good tilth".

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Growing Soilless

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