Efecto de la compactación sobre las propiedades físicas del suelo y el crecimiento de la caña de azúcar
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Abstract
La compactación del suelo en parcelas experimentales de caña de azúcar incrementó la densidad aparente de 1,3 a 1,4 g·cm-3, la resistencia de 2665,2 a 4515,2 kPa y disminuyó la porosidad de 51,9 a 48,2%. Once meses después el tratamiento compactado no cultivado (CNC) redujo la densidad aparente en 5,7%, la resistencia en 31,4% y aumentó la porosidad total en 2,3%, atribuible a la capacidad resiliente del suelo. El tratamiento compactado-cultivado (CC) disminuyó la densidad aparente en 7,9%, la resistencia en 47,6% y aumentó la porosidad total en 3,5%. El intervalo de agua óptimo (IAO) se redujo en CNC respecto a CC, con densidad aparente crítica de 1,28 g·cm-3 y 1,36 g·cm-3, respectivamente.
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