Performance Characteristics of the John Deere 5820 Harvester Used for Preparing Maize Silage for Dairy Cattle on Family Farms
Eksplatacione karakteristike kombajna John Deere 5820 u pripremi kukuruzne silaže za muzne krave na porodičnim farmama
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Author
Koprivica, Ranko
Veljkovic, Biljana
Stanimirovic, Nebojsa
Topisirovic, Goran
Keywords
maize silageforage harvester
harvesting performance
kukuruzna silaža
silažni kombajn
produktivnost kombajna
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Show full item recordAbstract
The research was conducted on commercial family farms in the region of
Western Serbia. The objective of this study was to evaluate the performance
characteristics and operating reliability of the used/old self-propelled John Deere 5820
harvester owned by the Mitrovic Brothers family farm. The harvester was used for
preparing ZP-735 hybrid maize silage, with the average maize yield and forage moisture
being 24.35 t/ha and 60%, respectively. Under operating conditions, at the lowest
operating speed of 2.99 km/ha, the harvester had a harvesting capacity of 28.55 t/ha.
With an increase in operating speed to 4.5 km/ha, the harvesting performance was raised
to 37.40 t/h. During the season, the harvester ensiled 125 ha at an average daily
efficiency of 7.25 ha. The harvester operated in a high-quality and reliable manner
without any major breakdown, which suggested that used harvesters, if properly
maintained, can exhibit good operational efficiency. Ensiling costs at the test field on the
commercial farm were 1.54 diners per kilogram. Istraživanja su obavljena na porodičnim komercijalnim farmama užeg područja
Zapadne Srbije. Sa ciljem da se utvde eksploatacione karakteristike i pouzdanost u radu
polovnog samohodnog kombajna John Deere 5820 u vlasništvu porodične farme „Braća
Mitrović“. Kombajn je korišćen u procesu siliranja hibridnog kukuruza ZP-735, čiji je
prosečan prinos iznosio 24,35 t/ha, a vlažnost mase je bila 60%. Kombajn je u
proizvodnim uslovima rada pri najmanjoj brzini od 2,99 km/h ostvario propusnu moć od
28,55 t/h. Sa povećanjem brzine rada na 4,5 km/h ostvarena je veća produktivnost, koja
je iznosila 37,40 t/h. U toku sezone kombajn je silirao 125 ha sa prosečnim dnevnim
učinkom od 7,25 ha. Kombajn je kvalitetno i pouzdano radio bez većih kvarova, što
ukazuje na to da i polovni kombajni ukoliko se pravilno održavaju mogu da ostvare
dobar radni efekat. Troškovi siliranja na komercijalnoj farmi, na ispitivanim parcelama
iznosili su 1,54 dinara po kilogramu.