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Revista Ciencias Técnicas Agropecuarias

versión On-line ISSN 2071-0054


MACIAS-SOCARRAS, Idalberto et al. Compaction Evaluation of Vertisol Dedicated to Cultivation of Tomato (Solanum lycopersicum Mill). Rev Cie Téc Agr [online]. 2017, vol.26, n.2, pp. 38-47. ISSN 2071-0054.

Different traffic intensities of the tractor John Deere 4630 were evaluated in a Vertisol soil, subjected to a primary preparation with a Big Rome. The results indicated that in dry season, the soil was compacted to a depth of 0-15 cm, however, the air incomplete variant without counterweight (AIS) showed the highest penetration resistance with a value of 433 kPa, influencing, in this case, a smaller amount in percent (%) of organic matter in the soil (2,68%), the value of the bulk density (BD) was 1,17 g cm-3, which shows that the soil had a fairly appreciable effect. Analyzing the comparison of means for different traffic intensities of the running system, it showed that with greater number of passes of the equipment, penetration resistance increased and it was only attenuated by the high presence of gravimetric moisture (Ho) and organic matter (OM). In the correlation analysis, correlating Rp (30cm) with Rp (45cm), it had a value of 0,48 and significant at 5% of Tukey test, so in this level Rp (30cm) with Ho (30cm), had a value of -0,62 and highly significant at 1%

Palabras clave : traffic; bulk density; tractor.

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