1. Principles of Plant Nutrition;Mengel,2001
2. Estado nutritivo de las plantaciones de olivar en la provincia de Granada;Fernández-Escobar;ITEA,1994
3. Role of potassium in plant–water relations;Hsiao,1986
4. The influence of potassium on the transpiration rate and stomatal opening in Triticum aestivum and Pisum sativum;Brag;Physiol. Plantarum.,1972
5. Influence of K nutritional drought on water relations and growth of sunflower (Helianthus annuus L.);Lindhauer;Z. Pflanzenernäehr Bodenk.,1985