The Cotton Corporation of India Ltd., “Current Cotton Scenario,” 2013 http://cotcorp.gov.in/current-cotton.aspx?pageid=4
 K. G. Cassman, T. A. Kerby, B. A. Roberts, D. C. Bryant and S. L. Higashi, ”Potassium Nutrition Effects on Lint Yield and Fiber Quality of Acala Cotton,” Crop Science, Vol. 30, 1990, pp. 672-677. doi:10.2135/cropsci1990.0011183X003000030039x
 K. G. Cassman, B. A. Roberts, T. A. Kerby, D. C. Bryant and D. C. Higashi, “Soil Potassium Balance and Cumulative Cotton Response to Annual Potassium Additions on a Vermiculite Soil,” Soil Science Society of America Journal, Vol. 53, 1989, pp. 805-812. doi:10.2136/sssaj1989.03615995005300030030x
 T. J. Gerik, J. E. Morrison and F. W. Chichester, “Effects of Controlled Traffic on Soil Physical Properties and Crop Rooting,” Agronomy Journal, Vol. 79, 1987, pp. 434-438. doi:10.2134/agronj1987.00021962007900030006x
 D. M. Oosterhuis, R. G. Hurren, W. N. Miley and R. L. Maples, “Foliar Fertilization of Cotton with Potassium Nitrate,” Proceedings of Cotton Research Meeting, University of Arkansas, Arkansas Agriculture Experiment Station, Special Report, Vol. 149, 1991, pp. 21-25.
 C. W. Bednarz and D. M. Oosterhuis, “Partitioning of Potassium in the Cotton Plant during the Development of a Potassium Deficiency,” Journal of Plant Nutrition, Vol. 19, 1996, pp. 1629-1638. doi:10.1080/01904169609365226
 P. R. Wright, “Premature Senescence of Cotton—The Future of Crop Nutrition Problems?” In: D. L. Michalk and J. E. Pratley, Eds., Agronomy, Growing a Greener Future? Proceedings of 9th Australian Agronomy Conference, Charles Sturt University, Wagga NSW, 20-23 July 1998. http://www.regional.org.au/au/asa/1998/4/153wright.htm
 M. W. Ebelhar and J. O. Ware, “Summary of Cotton Yield Response to Foliar Applications of Potassium Nitrate and Urea,” Proceedings of 1998 Beltwide Cotton Production Research Conference, National Cotton Council of America, Memphis, 1998, pp. 683-687.
 D. M. Oosterhuis, “Potassium Nutrition of Cotton with Emphasis on Foliar Fertilization,” In: C. A. Constable and N. W. Forrester, Eds., Challenging the Future, Proceedings World Cotton Research Conference, CSIRO, 1995, pp. 133-146.
 B. L. Weir, T. A. Kerby, K. D. Hake, B. A. Roberts and L. J. Zelinski, “Cotton Fertility,” In: S. J. Hake, T. A. Kerby, and K. D. Hake, Eds., Cotton Production Manual, Division of Agricultural and Natural Resource, University of California, Oakland, 1996, pp. 210-227.
 M. S. Brar, M. S. Gill, K. S. Sekhon, B. S. Sidhu, P. Sharma and A. Singh, “Effect of Soil and Foliar Application of Nutrients on Yield and Nutrient Concentration in Bt Cotton,” Journal of Research, Punjab Agricultural University, Vol. 45, 2008, pp. 126-31.
 C. C. Mitchell and W. H. Baker, “Reference Sufficiency Ranges for Field Crops—Cotton,” Southern Cooperative Series Bulletin, 2000, pp. 15-18. www.ncagr.gov/agronomi/saaesd/scsb394.pdf
 H. R. Leffler and B. S. Tubertini, “Development of Cotton Fruit II. Accumulation and Distribution of Mineral Nutrients,” Agronomy Journal, Vol. 68, No. 6, 1976, pp. 858-861. doi:10.2134/agronj1976.00021962006800060006x
 Bijay-Singh and Yadvinder-Singh, “Potassiumim Balances and Sustainability of the Rice-Wheat Cropping System in South Asia,” In: D. K. Benbi, M. S. Brar and S. K. Bansal, Eds., Balanced Fertilization for Sustaining Crop Productivity, International Potash Institute, Horgen, 2006, pp. 157-177.
 G. H. Xu, Q. R. Shen, W. J. Zhen, S. H. Tan and R. H. Shi, “Biological Responses to Foliar Feeding of Macro Element Fertilizers during Middle-Later Stages of Wheat and Corn,” Acta Pedologica Sinica, Vol. 36, 1999, pp. 454-462.
 O. L. Bennett, R. D. Rouse, D. A. Ashley and B. D. Doss, “Yield, Fiber Quality and Potassium Content of Irrigated Cotton Plants as Affected by Rates of Potassium,” Agronomy Journal, Vol. 57, No. 3, 1965, pp. 296-299. doi:10.2134/agronj1965.00021962005700030024x
 G. L. Mullins and C. H. Burmester, “Dry Matter, Nitrogen, Phosphorus, and Potassium Accumulation by Four Cotton Varieties,” Agronomy Journal, Vol. 82, No. 4, 1991, pp. 729-736. doi:10.2134/agronj1990.00021962008200040017x
 H. R. Fanaeia, M. Galavia, M. Kafib and A. Ghanbari Bonjara, “Amelioration of Water Stress by Potassium Fertilizer in Two Oilseed Species,” International Journal of Plant Production, Vol. 3, No. 2, 2009, pp. 41-54.
 G. Tohidloo, M. A. Chegin and S. Ghalebi, “Evaluation of Interaction between Different Levels of Potassium and Water on Sugar Yield of Sugar Beet,” 2nd International Conference on Environmental and Agriculture Engineering, IPCBEE, IACSIT Press, Singapore City, Vol. 37, 2012, pp. 114-120,
 M. S. Brar and A. S. Brar, “Foliar Nutrition as a Supplement to Soil Fertilizer Application to Increase Yield of Upland Cotton (Gossypium hirsutum),” Indian Journal of Agricultural Science, Vol. 74, No. 8, 2004, pp. 472-475.
 J. Keino, C. A. Beyrouty and D. M, Oosterhuis, “Differential Uptake of Potassium by Plant Roots,” In: D. M. Oosterhuis and G. Berkowitz, Eds., Frontiers in Potassium Nutrition: New Perspectives on the Effects of Potassium on Crop Plant physiology, Potash and Phosphate Institute and American Society of Agronomy, 1999.