Autumn Tillage Effects on Soil Compaction in Heavy Marsh Soil
Uticaj jesenje obrade na sabijanje teških zemljišta
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Author
Radojevic, Rade
Raicevic, Dragisa
Oljaca, Mico
Gligorevic, Kosta
Pajic, Milos
Keywords
autumn tillagesoil compaction
marsh soil
wheel traktors
jesenja obrada
sabijanje zemljišta
ritska crnica
traktori točkaši
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Show full item recordAbstract
Soil compaction caused by traffic of heavy vehicles and machinery results in
soil structure deterioration, both in the topsoil and in the subsoil.
Changes in agricultural production technique have been dramatic over the past few
decades. Tillage intesity has increased or decreased depending on local circumstances,
but in all cases there has been a steady upward trend in tractor power and machinery axle
load. Increased loads are causing damage to the structure of the soil. This damage has
increased the risk of soil erosion and raised the energy demand for cultivation.
In this paper using of agicultural mechanization are presents, in heavy soil autumn
tillage. Parameters of compaction marsh soil are rewieved.
Penetration resistance or soil cone index was measured to quantify the level of soil
compaction. Sabijenost zemljišta prouzrokovana saobraćajem teških vozila i mašina
rezultira kvarenje strukture zemljišta, u gornjem (površinskom) i donjem (dubokom)
sloju zemljišta.
Promene u poljoprivrednoj tehnici su bile velike zadnjih decenija. Intenzitet obrade
se povećavao ili smanjivao u zavisnosti od lokalnih okolnosti, ali u svim slučajevima je
trend stalnog povećanja snage traktorskog motora i osovinskog opterećenja mašina.
Povećanje opterećenja prouzrokuje oštećenje strukture zemljišta, koje povećava rizik od
erozije zemljišta i povećava potrošnju energije za obradu.
U radu su prikazani rezultati istraživanja korišćenja sredstava mehanizacije
poljoprivrede u jesenjoj obradi teških zemljišta. Prikazani su parametri sabijanja ritske
crnice.
Otpor penetracije ili zemljišni indeks konusa (CI) je meren za kvantitativno
određivanje nivoa sabijenosti zemljišta.