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Hussain, S.; Ahmad, M.; Ahmad, S.; Iqbal, J.; Subhani, M. N.; Nadeem, S. M.; Atta, S.; Ibrahim, M. Improvement of Drought Tolerance in Sunflower (Helianthus Annuus L.) By Foliar Application of Abscisic Acid and Potassium Chloride. Pak. J. Nutr. 2013, 12 (4), 345–352. https://doi.org/10.3923/pjn.2013.345.352.