DIGITALNA ARHIVA ŠUMARSKOG LISTA
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ŠUMARSKI LIST 12/1974 str. 56 <-- 56 --> PDF |
Ellettari power screw auger. Comparative analyses show that machine drilling of planting holes is 20 times more productive and 2 ´ 8 or 1 ´ 2 times less expensive. Besides these conspicuous economic advantages, machine work replaces rough physical labour, alleviates the problem of labour shortage, simplifies the organization (of lodging and boarding) and the control of work quality, actualizes work under unfavourable weather conditions, etc. By introducing mechanization we also contribute to industrial psychology and to a positive motivation of the operative towards work and work organization. The technical features of the Ellettari soil auger dwarf those of other similar machinery so far known (for alluvium conditions), and here no essential modification is called for. |