Choice of Aggregate for Deep Tillage in the Establishment of Orchards
Izbor TMA za duboku obradu zemljišta pri podizanju višegodišnjih zasada
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Author
Zivkovic, Milovan
Radivojevic, Dusan
Urosevic, Mirko
Drazic, Dragana
Keywords
aggregatedeep tillage
trenching
subsoiling
energy
agregat
duboka obrada
rigolovanje
podrivanje
energija
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Show full item recordAbstract
The choice of the appropriate aggregate for deep tillage is an issue of major
concern in the technology of orchard establishment. Conventional technologies include
trenching or subsoiling used to improve the mechanical properties of the soil intended
for orchard establishment.
The objective of the study was to analyze deep tillage from the technological
standpoint prior to orchard establishment. In addition, the aim was to give an overview
of the equipment and machinery used in the trenching stage. The analysis included the
results of friction in the trenching phase on heavy soils considering labor input, depth
and speed. The results were used to analyze input during trenching. A comparative
analysis was conducted regarding energy input in tenching and subsoiling.
The conclusion which tends to emerge is the enormous amount of energy needed in
both trenching and subsoiling. Energy requirements in the trenching stage were 2.5-fold
greater in relation to subsoiling. If possible, trenching should be substituted by
subsoiling due to a lower enegy input not excluding other advantages. Jedan od značajnih problema u tehnologiji podizanja višegodišnjih zasada,
predstavlja adekvatan izbor TMA za duboku obradu. Primenom konvencionalnih
tehnologija obrade ova agrotehnička mera se ostvaruje rigolovanjem ili podrivanjem a
ima za cilj poboljšanje mehaničkih osobina zemljišta namenjenog gajenju višegodišnjih
zasada.
U radu je obrađen tehnološki aspekt duboke obrade koja se obavlja pre podizanja
višegodišnjih zasada. Pored toga dat je opis pojedinih oruđa i mašina koje se primenjuju
u rigolovanju i podrivanju. Analizirani su rezultati otpora pri rigolovanju na vrlo teškim
zemljištima u funkciji radnog zahvata, dubine rada i brzine kretanja. Na osnovu
vrednosti otpora analiziran je učinak pri rigolovanju. Zatim, obavljena je komparativna
analiza rezultata utroška energije kod rigolovanja i podrivanja.
Zaključak je da rigolovanje i podrivanje angažuju veliku količinu energije. Za
približne uslove, rigolovanje u odnosu na podrivanje do 2,5 puta više angažuje energije.
Treba težiti, gde agrotehnički zahtevi omogućuju, da se rigolovanje zameni podrivanjem
zbog manjeg utroška energije i drugih prednosti.