Abstract
A head feed combine was evaluated for optimization of combine parameters, viz. cylinder speed (14.42, 15.53 and 16.64 m/s), forward speed (3.5, 4.0 and 4.5 km/h), and crop parameter, viz. grain moisture content (18.1 to 22.4%) in relation to threshing efficiency, cleaning efficiency and total grain losses for scented and non-scented paddy (Oryza sativa L.) varieties. Moisture content of 18.1%, cylinder speed of 15.53 m/s and forward speed of 4.0 km/h was found optimum for harvesting of scented paddy variety Pusa 1121, whereas moisture content of 18.1%, cylinder speed of 16.64 m/s and forward speed of 4.5 km/h was found optimum for harvesting of non-scented paddy variety HKR 127.
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