1. Akhtar ME, Khan MZ, Rashid MT, Ahsan Z, Ahmad S (2010) Effect of potash application on yield and quality of tomato (Lycopersicon esculentum mill.). Pak J Bot 42(3):1695–1702
2. Akhtar MS, Dixon JB (2013) Mineralogical characteristics and potassium quantity/intensity relation in three Indus river basin soils. Asian J Chem 21:3427–3442
3. Almodares A, Taheri R, Chung IM, Fathi M (2008) The effect of nitrogen and potassium fertilizers on growth parameters and carbohydrate contents of sweet sorghum cultivars. J Environ Biol 29:849–852
4. Alva AK, Mattos JD, Paramasivam S, Patil B, Dou H, Sajwan K (2006) Potassium management for optimizing citrus production and quality. Int J Fruit Sci 6:3–43
5. Ashraf M, Afzal M, Ahmad R, Maqsood MA, Shahzad SM, Tahir MA, Akhtar N, Aziz A (2012) Growth response of the salt-sensitive and the salt-tolerant sugarcane genotypes to potassium nutrition under salt stress. Arch Agronomy Soil Sci 58:385–398