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Science 17 October 1969:
Vol. 166. no. 3903, pp. 395 - 396
DOI: 10.1126/science.166.3903.395
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Articles

Salt Toleration by Plants: Enhancement with Calcium

P. A. LaHaye 1 and Emanuel Epstein 1

1 Department of Soils and Plant Nutrition, University of California, Davis 95616

Bean plants subjected to a sodium chloride concentratioz about onetenth that of seawater for 1 week suffered no damage if the calcium concentration of the nutrient solution was 1 millimole per liter or higher, but at lower calcium concentrations damage was severe and apparently due to a massive breakthrough of sodium into the leaves.


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