About the Authors

María del Carmen Galán-Jiménez

Affiliation Agrochemistry and Soil Conservation Department, Spanish Research Council-Institute of Natural Resources and Agrobiology, Seville, Spain

Yael-Golda Mishael

Affiliation The Seagram Center for Soil and Water Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel

Shlomo Nir

Affiliation The Seagram Center for Soil and Water Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel

Esmeralda Morillo

Affiliation Agrochemistry and Soil Conservation Department, Spanish Research Council-Institute of Natural Resources and Agrobiology, Seville, Spain

Tomás Undabeytia

undabeyt@irnase.csic.es

Affiliation Agrochemistry and Soil Conservation Department, Spanish Research Council-Institute of Natural Resources and Agrobiology, Seville, Spain

Competing Interests

The authors have the following interest. Campi y Jove S.A. (Barcelona, Spain) supplied the commercial surfactants for this study. Syngenta Spain provided the authors with some samples of the commercial formulation of MS (Callisto, 10% w/V). There are no further patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: TU MCG EM. Performed the experiments: MCG. Analyzed the data: MCG TU SN YM EM. Contributed reagents/materials/analysis tools: TU SN. Wrote the paper: MCG TU SN YM EM.