Operating parameters of dragged combines Volentieri VG 2000/2TA for grapevine harvesting | Eksploatacioni parametri vučenog kombajna za berbu grožđa Volentieri VG 2000/2TA
2011
Manojlović, R., 13. jul – Plantaže, Podgorica (Montenegro). AD Podgorica | Mitrović, D., Biotehnički fakultet, Podgorica (Montenegro) | Bulatović, I., Biotehnički fakultet, Podgorica (Montenegro) | Urošević, M., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Živković, M., Poljoprivredni fakultet, Beograd - Zemun (Serbia)
Harvesting represents one of the most challenging problems in managing vineyards. Quality picking is considered when it is done in the period when the grapes are suitable for its purposes, especially related with the soluble solid content, and the appropriate sugar/acids relation. Hand picking costs represent around 45% of total labor per hectare, which is equivalent of 30-50 working days for one laborer. Study of the mechanical picking of grapevine cultivars intended for winemaking by applying dragged combine Volentieri ensemble with tractor New Holland Tn 95 F are shown in this paper. Experiment was done in the Ćemovsko Field’s production vineyards (Montenegro), with cultivars Vranac and Župljanka. Grapevine planting was done on the planting distance 2.6 x 0.7 m and 2.6 x 1 m, respectively. Row length was 168 m, with training system modified horizontal bilateral cordon with green strip width in grape area 50-60 cm. Aggregate’s working results of the investigation are showing that average running speed was 4.8 km/h, and output 0.62 ha/h, i.e. 4.98 ha/day in cultivar Vranac. In cultivar Župljanka following values were achieved: running speed was 4.1 km/h, output 0.53 ha/h i.e. 4.24 ha/day. Turning time in headlands of examined harvester was 30 - 32 s. It was necessary to reduce green leaves just before harvesting, especially in the zone bunches, in order to decrease slowdowns and losses. Dragged combines, except in larger plantations, have commercial adequacy both in smaller households.
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