Technical Parameters and Fan Sprayer Quality of Vineyards
Tehnički parametri ventilatora orošivača i kvalitet zaštite vinograda
dc.contributor.author | Urosevic, Mirko | |
dc.contributor.author | Zivkovic, Milovan | |
dc.date.accessioned | 2015-04-13T11:45:57Z | |
dc.date.available | 2015-04-13T11:45:57Z | |
dc.identifier.uri | http://arhiva.nara.ac.rs/handle/123456789/516 | |
dc.description.abstract | The technique of pesticide applications in viticulture, in most cases is characterized by dispersion method using air mistblowers fan. Application of this procedure essentially contributes to the quality of care and productivity. The main technical criteria of progress in pesticide application is efficiency coefficient. This parameter is expressed by collection, distribution and utilization of active substances, and can still be improved considerably. This paper presents the results of research on influence of air stream angle and flow velocity on application of protection layer on the vine to the area of the zone clusters. The results show that the reduction of air flow angle relative to the direction of movement of aggregates, from 90° to 45°. Driving speed of 5 km•h-1 causes absolute increase of deposit of the working fluid for 18% on the target surface. Previous investigations of drift phenomena in plant protection have shown that the technical parameters that define the possibility of fan setup of the air stream in size, current speed and direction have significant impact on the quality of care. It is useful to examine further the possible behavior of air currents and its impact, particularly on the retention of preservative in the treated area. | en |
dc.description.abstract | Tehnika aplikacije pesticida u vinogradarstvu odlikuje se skoro isključivo postupkom raspršivanja pomoću vazdušne struje proizvedenom ventilatorom orošivača. Primena takvog postupka je bitno doprinela kvalitetu zaštite i produktivnosti rada. Osnovni kriterijum napretka u primeni pesticida predstavlja aplikacioni tehnički stepen korisnog dejstva. Ovaj stepen korisnog dejstva se iskazuje kroz zadržavanje, raspodelu i iskorišćavanje aktivnih supstanci koji može još znatno da se poboljša. Zato su u radu prikazani rezultati istraživanja uticaja ugla usmerenja i brzine vazdušne struje na nanošenje zaštitnog sredstva na vinovu lozu u područje zone grozdova. Rezultati pokazuju da pri smanjivanju ugla usmerenja vazdušne struje koso unazad posmatrano u horizontalnoj ravni od 90° na 45°, pri brzini vožnje od 5 km•h-1 dolazi do povećanja deponovanja zaštitne tečnosti do 18% na ciljnoj površini. Dosadašnja ispitivanja pojave drifta pri primeni orošivača su pokazala da tehnički parametri ventilatora koji definišu mogućnost podešavanja struje vazduha po količini, brzini i smeru, ima odlučujući uticaj na kvalitet zaštite. Zato je veoma je značajno potpunije ispitati moguća ponašanja vazdušne struja i njen uticaj, naročito na zadržavanje zaštitnog sredstva na tretiranoj površini. | sr |
dc.subject | air assisted sprayers | en |
dc.subject | quality of care | en |
dc.subject | air stream | en |
dc.subject | vineyards | en |
dc.subject | orošivači | en |
dc.subject | kvalitet zaštite | sr |
dc.subject | vazdušna struja | sr |
dc.subject | zasad vinograda | sr |
dc.title | Technical Parameters and Fan Sprayer Quality of Vineyards | en |
dc.title.alternative | Tehnički parametri ventilatora orošivača i kvalitet zaštite vinograda | sr |
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Issue 2012-2.
www.jageng.agrif.bg.ac.rs/files/casopis/PT_02-2012.pdf