TY - JOUR AU - Studer, Henry E. AU - Olmo, H. P. AU - Rocca, Earl TI - Mechanical harvesting raisin grapes … an evaluation of methods for severing fruiting canes JF - California Agriculture JO - Calif Agr Y1 - 1973/03/01 VL - 27 IS - 3 SP - 10 EP - 12 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v027n03p10 AB - The use of pneumatic shears in conjunction with the pruning sled concept resulted in maximum cane cutter productivity, but the overall productivity with the three-man crew was less than that demonstrated for the two-man crew using only pneumatic shears. The tests demonstrated that, in terms of overall crew productivity the use of pneumatic shears was definitely advantageous. However, purchase of a pneumatic pruning machine cannot be justified if used only for cane severing.