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Harvesting and threshing

Harvesting is the process of collecting the mature rice crop from the field. The goal of good harvesting methods is to maximize grain yield, and to minimize grain damage and quality deterioration. Harvesting can be done manually using sickles and knives, or mechanically with the use of threshers or combine harvesters. Regardless of the method, a number of guidelines should be followed that will ensure that grain quality is preserved during harvest operations and harvest losses are kept to a minimum Threshing is separating the grain from the stalks. The common method for threshing by hand is separating the grain from the panicle by impact: this is done by hand beating, treading, or by holding the crop against a rotating drum with spikes or rasp bars. Hand beating methods are normally used for threshing of rice that easily shatters

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