Utrošci energije i radni učinci kombajna za vađenje krumpira. (Croatian)

Energy consumption and area capacity of potato harvester. (English)

Although the potato is one of four strategically most important foods in the world, Croatia still does not produce enough potato for its own needs. In Croatia, the potato is mostly grown in Slavonia and Međimurje region where in the last few years the yield is rising, but still well below the average for Western European countries. Some of the main reasons for the lack of competitiveness and the unprofitability of the Croatian market are: high prices of raw materials and large investments in modern equipment. The aim of the paper is to determine the level of energy consumption and work performance of potato harvesters. To reduce costs to minimum it is necessary to invest in modern machinery that reduces the operating time, and increase productivity and revenue. [ABSTRACT FROM AUTHOR]

Krumpir se ubraja u jednu od četiriju strateški najvažnijih namirnica u svijetu. U Hrvatskoj se krumpir najviše uzgaja u Slavoniji i Međimurju gdje je posljednjih nekoliko godina prinos u porastu, ali još uvijek značajno ispod prosjeka zapadnoeuropskih zemalja. Neki od glavnih razloga nekonkurentnosti i neisplativosti proizvodnje na hrvatskom tržištu su: visoke cijene repromaterijala i velika ulaganja u modernizaciju mehanizacije. Cilj rad je utvrditi razinu utroška energije i radnih učinaka kombajna za vađenje krumpira. Kako bi se troškovi proizvodnje sveli na minimum potrebna je suvremena mehanizacija koja smanjuje vrijeme rada, a povećava radni učinak i prihode. U radu su prikazani rezultati terenskog mjerenja utroška energije i radnih učinaka kod različitih izvedbi kombajna za vađenje krumpira. Analizirani su troškovi vađenja krumpira, a oni su se odnosili na troškove goriva i radnika, bez amortizacije strojeva. [ABSTRACT FROM AUTHOR]

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