Bagyalakshmi, B., Ponmurugan, P., and Marimuthu, S. (2012). Influence of potassium solubilizing bacteria on crop productivity and quality of tea (Camellia sinensis). African Journal of Agricultural Research, 7(30), 4250-4259.
Bakhshandeh, E., Pirdashti, H., and Shahsavarpour Lendeh, K. (2017). Phosphate and potassium-solubilizing bacteria effect on the growth of rice. Ecological Engineering, 103, 164-169.
Baranimotlagh, M., and Savaghebi Firozabadi, G. (2005). Investigation of potassium discharge from Sugar cultivated soils of Khuzestan. Iranian Journal of Agricultural Science, 36(5), 1185-1196. (In Farsi)
Basak, B. B., and Biswas, D. R. (2009). Influence of potassium solubilizing microorganism (Bacillus mucilaginosus) and waste mica on potassium uptake dynamics by sudan grass (Sorghum vulgare Pers.) grown under two Alfisols. Plant and Soil, 317, 235–255.
Bouyoucos, G. J. (1962). Hydrometer method improved for making particle size analyses of soils. Agronomy Journal, 54, 464–465.
El-Tilib, M. A., Elnasikh, M. H., and Elamin, E. A. (2004). Phosphorus and potassium fertilization effects on growth attributes and yield of two sugarcane varieties grown on three soil series. Journal of Plant Nutrition, 27(4), 663-669.
Etesami, H., Emami, S., and Alikhani, H. A. (2017). Potassium solubilizing bacteria (KSB): Mechanisms, promotion of plant growth, and future prospects - a review. Journal of Soil Science and Plant Nutrition, 17(4), 897-911.
Filho, J. O. (1985). Potassium nutrition of sugarcane. In: Potassium in agriculture. (Ed. Munson, R.D.). American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, Madison, 1045-1062.
Flores, R. A., de Mello Prado, R., Pancelli, M. A., Almeida, H. J., Moda, L. R., Nogueira Borges, B. M. M., and de Souza Junior, J. P. (2014). Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system. Chilean Journal of Agricultural Research, 74(1), 83-88.
Föhse, D., Claassen, N., and Jungk, A. (1991). Phosphorus efficiency of plants, II. Significance of root radius, root hairs and cation-anion balance for phosphorus influx in seven plant species. Plant and Soil, 132, 261-272.
Gupta, G., Parihar, S. S., Ahirwar, N. K., Snehi, S. K., and Singh, V. (2015). Plant growth promoting rhizobacteria (PGPR): current and future prospects for development of sustainable agriculture. Journal of Microbial & Biochemical Technology, 7, 96-102.
Helmke, P. A., and Sparks, D. L. (1996). Lithium, Sodium, Potassium, Rubidium and Cesium. In D. L. Sparks (Ed.), Methods of Soil Analysis (Part 3). (pp. 551-574). Soil Science Society of America Publishing: Madison, Wisconsin, USA.
Jafari, S., and Baghernejad, M. (2007). Effects of wetting and drying and culture systems on potassium fixation in some soils and clays of Khuzestan. Journal of Agricultural Science and Technology, 41, 75-89. (In Farsi)
Jafarnejady, A. (2013). Study of the reaction of sugarcane (Saccharum officinarum L.) to different of potassium fertilizers. Journal of Plant Physiology, 19, 61-71. (In Farsi)
Khorassani, R. (2010). Phosphorus uptake efficiency in corn, sugar beet and groundnut. Journal of water and soil, 24(1), 180-188. (In Farsi)
Lamizadeh, E., Enayatizamir, N., and Motamedi, H. (2016). Isolation and identification of plant growth-promoting rhizobacteria (PGPR) from the rhizosphere of sugarcane in saline and non-saline soil. International Journal of Current Microbiology and Applied Sciences, 5, 1072-1083.
Loeppert, H. L., and Suarez, D. L. (1996). Carbonate and gypsum. Methods of Soil Analysis. In D. L. Sparks (Ed.), Methods of Soil Analysis (Part 3). (pp. 437-474). Soil Science Society of America Publishing: Madison, Wisconsin, USA.
Meena, V. S., Maurya, B. R., Verma, J. P., Aeron, A., Kumar, A., Kim, K., and Bajpai, V. K. (2015). Potassium solubilizing rhizobacteria (KSR): Isolation, identification, and K-release dynamics from waste mica. Ecological Engineering, 81, 340-347.
Miller, R. O. (1998). Determination of dry matter content of plant tissue: gravimetric moisture. Handbook of Methods for Plant Analysis. CRC Press.
Nelson, D. W., and Sommers, L. E. (1996). Total carbon, organic carbon and organic matter. In D. L. Sparks (Ed.), Methods of Soil Analysis (Part 3). (pp. 961-1010). Soil Science Society of America Publishing: Madison, Wisconsin, USA.
Olsen, S. R., Cole, C. V., Watanabe, E. S., and Dean, L. A. (1954). Estimation of available phosphorus in soils by extraction with sodium bicarbonate. United States Department of Agriculture Circular, 939, 1-18.
Ostonen, I., Pu¨ ttsepp, U¨., Biel, C., Alberton, O., Bakker, M. R., Lo˜ hmus, K., Majid, H., Metcalfe, D., Olsthoorn, A. F. M., Pronk, A., Vanguelova, E., Weih, M., and Brunner, I. (2007). Specific root length as an indicator of environmental change. Plant Biosystems, 141(3), 426.442.
Prajapati, K., and Modi, H. (2016). Growth promoting effect of potassium solubilizing Enterobacter hormaechei (KSB-8) on cucumber (Cucumis sativus) under hydroponic conditions. International Journal of Advanced Research in Biological Sciences, 3(5), 168-173.
Samadi, A. (2012). Impact of continuous sugar beet cropping on potassium quantity-intensity parameters in calcareous soils. Journal of Plant Nutrition, 35, 1154–1167.
Samal, D., Kovar, J. L., Steingrobe, B., Sadana, U. S., Bhadoria, P. S., and Claassen, N. (2010). Potassium uptake efficiency and dynamics in the rhizosphere of maize (Zea mays L.), wheat (Triticum aestivum L.), and sugar beet (Beta vulgaris L.) evaluated with a mechanistic model. Plant and Soil, 332, 105–121.
Sangeeth, K. P., Bhai, S. R., and Srinivasan, V. (2012). Paenibacillus glucanolyticus, a promising potassium solubilizing bacterium isolated from black pepper (Piper nigrum L.) rhizosphere. Journal of Spices and Aromatic Crops, 21(2), 118–124.
Sumner, M. E., and Miller, W. P. (1996). Cation exchange capacity and exchange coefficients. In D. L. Sparks (Ed.), Methods of Soil Analysis (Part 3). (pp. 1201-1229). Soil Science Society of America Publishing: Madison, Wisconsin, USA.
Tennant, D. (1975). A test of a modified line intercepts method of estimating root length. Journal of Ecology, 63, 995-1001.
Wood, R. A., and Meyer, J. H. (1986). Factors affecting potassium nutrition of sugarcane in south africa. Proceedings of the South African Sugar Technologists' Association, 198-204.
)