Please use this identifier to cite or link to this item: http://ri.uaemex.mx/handle20.500.11799/39393
Title: Assessment of soil compaction under different management regimes using double-cycle uniaxial compression test
Authors: VICTOR MANUEL VACA GARCIA 
AURELIO DOMINGUEZ LOPEZ 
ANDRES GONZALEZ HUERTA 
EDGAR JESUS MORALES ROSALES 
OMAR FRANCO MORA 
FRANCISCO GUTIERREZ RODRIGUEZ 
Keywords: Ciencias de la Tierra;Vertisol;hardness;adhesiveness;cohesiveness;info:eu-repo/classification/cti/1
Publisher: Sociedad Mexicana de la Ciencia del Suelo, A.C.
Project: http://www.redalyc.org/revista.oa?id=573 
Description: Toluca-Atlacomulco Valley, which features a Vertisol soil type. In addition, laboratory measurements are needed that can imitate field conditions is needed to make measurements that are sensitive, reliable and appropriate for monitoring changes in compaction and other physical soil properties while reducing destructive sampling in the field. The objective of this research was to use doublecycle uniaxial compression, penetration resistance and cutting force tests to assess the response of a Vertisol in terms of hardness, cohesiveness and adhesiveness when compacted by wheel traffic in three different types of tillage systems: zero tillage (ZT), minimal tillage (MT) and conventional tillage (CT). The study was conducted in Toluca, State of Mexico, in 2011. Soil samples were collected from the tractors wheel track, with three repetitions at two depths. All of the variables were measured using a universal testing machine. For penetration resistance and cutting force tests, standard screwdrivers were used as probes. According to the uniaxial compression test, CT was found to increase soil hardness, relative to the other systems (47% higher on average). MT reported the highest adhesiveness value (0.1 N s-1), but no statistically significant differences in cohesiveness were found among tillage systems. In the ZT system higher penetration resistance was observed in subsoil than in topsoil. MT obtained the maximum cutting force value (54.55 N), while there were no significant differences between other two systems. In these trials the universal testing machine was sensitive enough to detect differences in the soil physical properties of the different tillage systems.
URI: http://ri.uaemex.mx/handle20.500.11799/39393
Other Identifiers: http://hdl.handle.net/20.500.11799/39393
Rights: info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0
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