Bruno Yaron

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The behavior of two herbicides (bromacil and napropamide) applied to a Mediterranean red loam soil (hamra) from a point source is presented. Neither herbicide was degraded during the period of the study. Bromacil was only slightly adsorbed by the soil (K d − 0.1 ml/g; Fig. 1) and was evenly distributed in the soil volume when applied at a constant(More)
Most studies on contaminant interactions with the subsurface environment focus on contaminant transport, retention and persistence, and on potential remediation of polluted soils, vadose zones and aquifers. Changes in the soil-vadose-aquifer zone (SVAZ) matrix and properties, caused by human activities, are thus usually considered to be deviations from a(More)
The yield of tomatoes for processing (Lycopersicon esculentum var. VF145 B. 7879) grown in artificially salinized plots, was reduced by 10% for every 1.5 mmhos/cm increase in ECe above 2.0 mmhos/cm. Yield reduction was the same for equal mean soil salinities regardless of leaching and the rate of salt accumulation in the soil. Total soluble solids content(More)
A field experiment was designed to determine the combined effect of leaching and natural attenuation on the redistribution dynamics of kerosene--a volatile petroleum hydrocarbon mixture (VPHM)--and of its selected individual components in the soil subsurface. Variables included the composition of contaminant spilled, the soil water content before(More)
Petroleum products are generally volatile hydrocarbon mixtures. These mixtures may contaminate land surfaces, the unsaturated zone and ground waters at numerous sites and thus represent a long-term source of environmental subsurface pollution. Based on laboratory and field evidence obtained by our research groups and others we emphasize in the present(More)
A technique based on the principles of leaching accumulated salts and removing excess water by applying suction through a porous plate has been suggested for conducting pot experiments with saline irrigation water. This technique is suitable for greenhouse experiments on a large scale because of its relative simplicity and accuracy. The container design(More)