TREE HEIGHT, FRUIT SIZE, AND FRUIT YIELD AFFECT MANUAL ORANGE HARVESTING RATES

WHITNEY, J. D.

Abstract


Orange harvesting rates were measured for 4 pairs of pickers in trees with heights from 12 to 18 ft, fruit sizes from 175 to 255/box, and fruit yields from 300 to 760 boxes/acre. Each picker used a conventional ladder and bag and emptied the harvested fruit into 10-box tubs. Average harvesting rates per picker ranged from 5.9 to 9.2 boxes/hr. A regression analysis of the data indicated a harvesting rate increase per picker of 1 box/hr for an approximate decrease of 6 ft in tree height, an increase of 200 boxes/acre in fruit yield, or an increase in fruit size equivalent to a reduction in count of 50 fruit/box.

Keywords


citrus harvesting; fruit yield; fruit size; tree height

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Proc. Fla. State Hort. Soc.     ISSN 0886-7283