Subsoil compaction from tractor traffic in an olive [Olea europea L.] grove in Almería, Spain
This study was in an olive [Olea europea L.] grove in the Vélez Blanco District of Almería, Spain, where the soil is a typical Aridisol. The aim was to evaluate subsoil compaction caused by three different tractors currently used in olive groves. Measurements were made of [i] the cone index [CI], [i...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2012TolonBecerra.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Subsoil compaction from tractor traffic in an olive [Olea europea L.] grove in Almería, Spain |
| 520 | |a This study was in an olive [Olea europea L.] grove in the Vélez Blanco District of Almería, Spain, where the soil is a typical Aridisol. The aim was to evaluate subsoil compaction caused by three different tractors currently used in olive groves. Measurements were made of [i] the cone index [CI], [ii] hydraulic conductivity [HC] and [iii] rut depth after passage of a light tractor [LT = 22.50 kN], a heavy tractor [HT = 42.60 kN] and a medium tractor [MT = 33.30 kN]. The CI differed for the topsoil [0-200 mm] for each type of tractor after up to five passes. In this depth soil level, the CI was greatest for LT because the ground pressure [by narrow tyres] was greater than under the MT and HT. For deeper layers, there was a strong positive relationship between number of tractor passes and CI values, and the CI was greater for passes by the HT than the LT or MT. The HT resulted in shallower ruts up to the fifth pass, and the CI values were smaller because there was less ground pressure from this tractor than the others. In all treatments, tractor traffic caused varying decreases in HC in the 0-600 mm depth range. The main conclusion is that subsoil compaction is related directly to tractor weight. For the three tractors, topsoil compaction is caused by ground pressure and not on total axle load. | ||
| 653 | 0 | |a AXLE LOAD | |
| 653 | 0 | |a CONE INDEX | |
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| 653 | 0 | |a ARIDOSOL | |
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| 653 | 0 | |a COMPACTION | |
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| 700 | 1 | |9 23673 |a Tourn, Mario César | |
| 700 | 1 | |9 69982 |a Rivero, D. | |
| 773 | |t Soil Use and Management |g Vol.28, no.4 (2012), p.606-613 | ||
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| 900 | |a ^tSubsoil compaction from tractor traffic in an olive [Olea europea L.] grove in Almería, Spain | ||
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| 900 | |a ^aTolón-Becerra^bA.^tUniversity of AlmerÃa, Ctra Sacramento s/n., La Cañada de San Urbano, AlmerÃa 04120, Spain | ||
| 900 | |a ^aBotta^bG.F.^tDepartment of Technology, National University of Luján, Luján, 6700, Argentina | ||
| 900 | |a ^aLastra-Bravo^bX.^tAgronomy Faculty, University of Buenos Aires, Av. San MartÃn, Buenos Aires, 4453, Argentina | ||
| 900 | |a ^aTourn^bM.^tSchool of Agriculture, University of La Pampa, La Pampa, 6300, Argentina | ||
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| 900 | |a Vol. 28, no. 4 | ||
| 900 | |a 613 | ||
| 900 | |a AXLE LOAD | ||
| 900 | |a CONE INDEX | ||
| 900 | |a TRACK | ||
| 900 | |a TRACTOR TRAFFIC | ||
| 900 | |a ARIDOSOL | ||
| 900 | |a AUTOMOBILE | ||
| 900 | |a COMPACTION | ||
| 900 | |a EVERGREEN TREE | ||
| 900 | |a LOADING | ||
| 900 | |a PRESSURE EFFECT | ||
| 900 | |a SUBSOIL | ||
| 900 | |a TOPSOIL | ||
| 900 | |a TRACKING | ||
| 900 | |a TRAFFIC CONGESTION | ||
| 900 | |a ALMERIA [ANDALUCIA] | ||
| 900 | |a ANDALUCIA | ||
| 900 | |a SPAIN | ||
| 900 | |a This study was in an olive [Olea europea L.] grove in the Vélez Blanco District of Almería, Spain, where the soil is a typical Aridisol. The aim was to evaluate subsoil compaction caused by three different tractors currently used in olive groves. Measurements were made of [i] the cone index [CI], [ii] hydraulic conductivity [HC] and [iii] rut depth after passage of a light tractor [LT = 22.50 kN], a heavy tractor [HT = 42.60 kN] and a medium tractor [MT = 33.30 kN]. The CI differed for the topsoil [0-200 mm] for each type of tractor after up to five passes. In this depth soil level, the CI was greatest for LT because the ground pressure [by narrow tyres] was greater than under the MT and HT. For deeper layers, there was a strong positive relationship between number of tractor passes and CI values, and the CI was greater for passes by the HT than the LT or MT. The HT resulted in shallower ruts up to the fifth pass, and the CI values were smaller because there was less ground pressure from this tractor than the others. In all treatments, tractor traffic caused varying decreases in HC in the 0-600 mm depth range. The main conclusion is that subsoil compaction is related directly to tractor weight. For the three tractors, topsoil compaction is caused by ground pressure and not on total axle load. | ||
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