Three grape cultivars ( Vitis vinifera L.) were sprinkler-irrigated to determine if they would absorb sufficient sodium and chloride through their leaves to attain toxic levels. The concentration of both Na and Ca within the leaves increased linearly with sprinkling time. Both ions were approaching known tolerance levels after 54 hours of sprinkling. The counter ion of the 3 salt species tested (NaCl, CaCl 2 , and Na 2 SO 4 ) had no effect on the amount of sodium or chloride accumulated.
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Robert Alfred Clark (1979) studied this question.
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