Historical Information
Determination of Essentiality
  Function in Plants
    - Enzyme Activation
    - Protein Synthesis
    - Ion Absorption and Transport
      » Potassium Absorption
      » Potassium Transport within Tissues
      » Osmotic Function
    - Photosynthesis and Respiration
    - Long-Distance Transport
Diagnosis of Potassium Status in Plants
  Symptoms of Deficiency
  Symptoms of Excess
Concentrations of Potassium in Plants
Assessment of Potassium Status in Soils
  Potassium-Bearing Minerals
  Potassium Fractions in Soils
  Plant-Available Potassium
  Soil Tests for Potassium Fertilizer Recommendations
Potassium Fertilizers
  Kinds of Fertilizers
  Application of Potassium Fertilizers

  1. K. Scharrer. Die Bedeutung der Mineralstoffe f�r der Pflanzenbau; Historisches. In: G. Michael, ed. Encyclopedia of Plant Physiology. Berlin: Springer, 1958, pp. 851-866.

  2. J. Boulaine. Lavoisier, his freschines domain and agronomy. C. R. Agric. France 80: 67-74, 1994.

  3. W. Ostwald. In: G. Bugge, ed. Das Buch der grossen Chemiker: Weinheim Verlag Chemie, 1984, pp. 405-416.

  4. E.J. Hewitt, T.A. Smith. Plant Mineral Nutrition. London: The English University Press, 1987.

  5. R.R. van der Ploeg,W. B�hm, M.B. Kirkham. On the origin of the theory of mineral nutrition of plants and the Law of the Minimum. Soil Sci. Am. J. 63:1055-1062, 1999.

  6. J. Liebig. Die organische Chemie in ihrer Anwendung auf Agrikultur und Physiologie Braunschweig: Viehweg-Verlag, 1840.

  7. R.E. Nitsos, H.J. Evans. Effects of univalent cations on the activity of particulate starch synthetase. Plant Physiol. 44:1260-1266, 1969.

  8. H. Kosegarten, F. Grolig, J. Wienecke, G. Wilson, B. Hoffmann. Differential ammonia-elicited changes of cytosolic pH in root hair cells of rice and maize as monitored by 2(,7(-bis-(2-carboxyethyl)- 5 (and 6-)-carboxyfluorescein-fluorescence ratio. Plant Physiol. 113:451-461, 1997.

  9. B. Demmig, H. Gimmler. Properties of the isolated intact chloroplast at cytoplasmic K+ concentrations. I. Light-induced cation uptake into intact chloroplasts is driven by an electrical potential difference. Plant Physiol. 73:169-173, 1983.

  10. C. Miller. Potassium selectivity in proteins-oxygen cage or in the F-ace. Science 261:1692-1693, 1993.

  11. K.H. M�hling, S. Schubert, K. Mengel. Role of plasmalemma H ATPase in sugar retention by roots of intact maize and field bean plants. Z. Pflanzenern�hr Bodenk 156:155-161, 1993.

  12. R.G. Wyn Jones, A. Pollard. Proteins, enzymes and inorganic ions. In: A. L�uchli, R.L. Bieleski, eds. Inorganic Plant Nutrition. New York: Springer 1983, pp. 528- 562.

  13. K. Koch, K. Mengel. The influence of the level of potassium supply to young tobacco plants (Nicotiana tabacum L.) on short term uptake and utilisation of nitrate nitrogen (15N). J. Sci. Food Agric. 25:465-471, 1974.

  14. H.M. Helal, K. Mengel. Nitrogen metabolism of young barley plants as affected by NaCl salinity and potassium. Plant Soil 51:457-462, 1979.

  15. K. Mengel, E.A. Kirkby. Principles of Plant Nutrition. 5th ed. Dordrecht: Kluwer Academic Publishers, 2001.

  16. F.J.M. Maathuis. In: D. Oosterhuis, G. Berkowitz, eds. Frontiers in Potassium Nutrition: New Perspectives on the Effects of Potassium on Physiology of Plants. Norcross, Georgia, USA: Potash and Phosphate Institute, 1999, pp. 33-41.

  17. F.J.M. Maathuis, D. Sanders. Regulation of K+ absorption in plant root cells by external K+ interplay of different plasma membrane K+ transporters. J. Exp. Bot. 48:451-458, 1997.

  18. K. Mengel, S. Schubert. Active extrusion of protons into deionized water by roots of intact maize plants. Plant Physiol. 79:344-348, 1985.

  19. K. Mengel. Integration of functions and involvement of potassium metabolism at the whole plant level. In: D.M. Oosterhuis, G.A. Berkowitz, eds. Frontiers in Potassium Nutrition: New Perspectives on the Effects of Potassium on Physiology of Plants. Norcross, GA: Potash and Phosphate Institute, 1999, pp. 1-11.

  20. F. Bouteau, U. Bousquet, A.M. Penarum, M. Convert, O. Dellis, D. Cornel, J.P. Rona. Time dependent K+ currents through plasmalemma of laticifer protoplasts from Hevea brasiliensis. Physiol. Plant 98:97-104, 1996.

  21. F.G. Viets. Calcium and other polyvalent cations as accelerators of ion accumulation by excised barley roots. Plant Physiol. 19:466-480, 1944.

  22. K. Mengel, H.M.H. Helal. The influence of the exchangeable Ca2 of young barley roots on the fluxes of K and phosphate-an interpretation of the Viets effect. Z. Pflanzenphysiol. 57:223-234, 1967.

  23. L.T. Talbott, E. Zeiger. Central roles for potassium and sucrose in guard-cell osmoregulation. Plant Physiol. 111:1051-1057, 1996.

  24. N. Roth-Bejerano, A. Nejidat. Phytochrome effects on K fluxes in guard cells of Commelina communis. Physiol. Plant 71:345-351, 1987.

  25. J. Le Bot, E.A. Kirkby. Diurnal uptake of nitrate and potassium during the vegetative growth of tomato plants. J. Plant Nutr. 15:247-264, 1992.

  26. J.H. MacDuff, M.S. Dhanoa. Diurnal and ultradian rhythms in K+ uptake by Trifolium repens under natural light patterns: evidence for segmentation at different root temperatures. Physiol. Plant 98:298-308, 1996.

  27. U. Schurr, E.D. Schulze. The concentration of xylem sap constituents in root exudates, and in sap from intact, transpiring castor bean plants (Ricinus communis L.). Plant Cell Environ. 118:409-420, 1995.

  28. A.D.M. Glass. Regulation of ion transport. Annu. Rev. Plant Physiol. 34:311-326, 1983.

  29. R.G. Wyn Jones. Cytoplasmic potassium homeostasis; review of the evidence and its implications. In: D.M. Oosterhuis, G.A. Berkowitz, eds. Frontiers in Potassium Nutrition: New Perspectives on the Effect of Potassium on Physiology of Plants. Norcoss, GA: Potash and Phosphate Institute, 1999, pp. 13-22.

  30. M. Fernando, J. Mehroke, A.D.M. Glass. De novo synthesis of plasma membrane and tonoplast polypeptides of barley roots during short-term K deprivation. In search of the high-affinity K transport system. Plant Physiol. 100:1269-1276, 1992.

  31. K. Mengel, W.W. Arneke. Effect of potassium on the water potential, the pressure potential, the osmotic potential and cell elongation in leaves of Phaseolus vulgaris. Physiol. Plant 54:402-408, 1982.

  32. W. Wind, M. Arend, J. Fromm. Potassium-dependent cambial growth in poplar. Plant Biology 6:30-37, 2004.

  33. R. Pfl�ger, K. Mengel. Photochemical activity of chloroplasts from different plants fed with potassium. Plant Soil 36:417-425, 1972.

  34. G.A. Berkowitz, J.S. Peters. Chloroplasts [spinach] inner-envelope Atase acts as a primary proton pump. Plant Physiol. 102:261-267, 1993.

  35. R. Shingles, R.E. McCarty. Direct measurement of ATP-dependent proton concentration changes and characterization of a K+-stimulated ATPase in pea chloroplast inner envelope vesicles. Plant Physiol. 106:731-737, 1994.

  36. W. Wu, G.A. Berkowitz. Stromal pH and photosynthesis are affected by electroneutral K and H exchange through chloroplast envelope ion channels. Plant Physiol. 98:666-672, 1992.

  37. P.A. Pier, G.A. Berkowitz. Modulation of water stress effects on photosynthesis by altered leaf K. Plant Physiol. 85:655-661, 1987.

  38. T.R. Peoples, D.W. Koch. Role of potassium in carbon dioxide assimilation in Medicago sativa L. Plant Physiol. 63:878-881, 1979.

  39. A. L�uchli, D. Kramer, M.G. Pitman, U. L�ttge. Ultrastructure of xylem parenchyma cells of barley roots in relation to ion transport to the xylem. Planta 119:85-99, 1974.

  40. A.H. de Boer. Potassium translocation into the root xylem. Plant Biol. 1:36-45, 1999.

  41. B. K�hler, K. Raschke. The delivery of salts to the xylem. Three types of anion conductance in the plasmalemma of the xylem parenchyma of roots of barley. Plant Physiol. 122:243-254, 2000.

  42. D.A. Baker, P.E. Weatherley. Water and solute transport by exuding root systems of Ricinus communis. J. Exp. Bot. 20:485-496, 1969.

  43. K. Mengel, H.E. Haeder. Effect of potassium supply on the rate of phloem sap exudation and the composition of phloem sap of Ricinus communis. Plant Physiol. 59:282-284, 1977.

  44. A.J.E. van Bel, A.J. van Erven. A model for proton and potassium co-transport during the uptake of glutamine and sucrose by tomato internode disks. Planta 145:77-82, 1979.

  45. K. Mengel, E.A. Kirkby. Potassium in crop production. Adv. Agron. 33:59-110, 1980.

  46. K. Mengel, H. Forster. The effect of seasonal variation and intermittent potassium nutrition on crop and visual quality of barley. Z. Acker- u Pflanzenbau 127:317-326, 1968.
  47. K. Mengel, M. Secer, K. Koch. Potassium effect on protein formation and amino acid turnover in developing wheat grain. Agron. J. 73:74-78, 1981.

  48. H. Marschner, E.A. Kirkby, C. Engels. Importance of cycling and recycling of mineral nutrients within plants for growth and development. Bot. Acta 110:265-273, 1997.

  49. G.I. McIntyre. The role of nitrate in the osmotic and nutritional control of plant development. Aus. J. Plant Physiol. 24:103-118, 1997.

  50. D.P. Briskin, W.R. Thornley, R.E. Wyse. Membrane transport in isolated vesicles from sugar beet taproot. II. Evidence for a sucrose/H-antiport. Plant Physiol. 78:871-875, 1985.

  51. M.D. de la Gardia, M. Benlloch. Effects of potassium and giberellic acid on stem growth of whole sunflower plants. Physiol. Plant 49:443-448, 1980.

  52. W. Bergmann. Ern�hrungsst�rungen bei Kulturpflanzen-Entstehung und Diagnose Jena: VEB Gustav Fischer, 3rd ed. 1993, pp. 384-394.

  53. W. Bussler. Mangelerscheinungen an h�heren Pflanzen. II Mangel an Hauptn�hrstoffen. Z. Pflanzenkrankheiten Pflanzenschutz 86:43-62,1979.

  54. W. Kr�ger. The influence of fertilizer on the fungal diseases of maize. In: Fertilizer Use and Plant Health. Bern: International Potash Institute, 1976, pp. 145-156.

  55. H. Forster, F. Ventner. The influence of potassium nutrition on greenback of tomato fruits. Gartenbauwiss 40:75-78, 1975.

  56. H.P. Pissarek. The effect of intensity and duration of Mg-deficiency on the grain yields of oats. Z. Acker-Pflanzenb 148:62-71, 1979.

  57. A.L. Kursanov, E. Vyskrebentzewa. The role of potassium in plant metabolism and the biosynthesis of compounds important for the quality of agricultural products. In: Potassium and the Quality of Agricultural Products. Bern: International Potash Institute, 1966, pp. 401-420.

  58. H.E. Haeder. The effect of potassium on energy transformation. In: Potassium Research and Agricultural Production. Bern: International Potash Institute, 1974, pp. 153-160.

  59. D. Anac, H. Colakoglu. Current situation of K fertilization in Turkey. In: K. Mengel, K. Krauss, eds. K Availability of Soils in West Asia and North Africa-Status and Perspectives. Basel: International Potash Institute, 1995 pp. 235-247.

  60. K. Mengel, H. Forster. The effect of the potassium concentration of the soil solution on the yield, the water consumption and the potassium uptake rates of sugar beet (Beta vulgaris subsp. esculenta var. altissima). Z. Pflanzenern�hr Bodenk 134:148-156, 1973.

  61. I. Kovanci, H. Colakoglu. The effect of varying K level on yield components and susceptibility of young wheat plants to attack by Puccinia striiformis West. In: Fertilizer Use and Plant Health. Bern: International Potash Institute, 1976, pp. 177-181.

  62. M. Olagnier, J.L. Renard. The influence of potassium on the resistance of oil palms to Fusarium. In: Fertilizer Use and Plant Health. Bern: International Potash Institute, 1976, pp. 157-166.

  63. T.A. Smith, C. Sinclair. The effect of acid feeding on amine formation in barley. Ann. Bot. 31:103-111,1967.

  64. A.D.M. Glass, M.Y. Siddiqi. The control of nutrient uptake in relation to the inorganic composition of plants. In: B.P. Tinker, A. L�uchli, eds. Advances in Plant Nutrition. New York: Praeger, 1984, pp. 103-147.

  65. M. Viro. Influence of the K status on the mineral nutrient balance and the distribution of assimilates in tomato plants. B�ntehof Abs. 4: 34-36, 1974/75.

  66. H. Grimme, L.C. von Braunschweig, K. Nemeth. K, Mg and Ca interactions as related to cation uptake and yield. B�ntehof Abs. 4:7-8, 1974/75.

  67. B.G. Wilkinson. Mineral composition of apples. IX. Uptake of calcium by the fruit. J. Sci. Food Agric. 19:446-447, 1968.

  68. H. Forster, K. Mengel. The effect of a short term interruption in the K supply during the early stage on yield formation, mineral content and soluble amino acid content. Z. Acker-Pflanzenbau 130:203-213, 1969.

  69. P.B. Barraclough, R.A. Leigh. Critical plant K-concentrations for growth and problems in the diagnosis of nutrient deficiencies by plant analysis. Plant Soil 155/156: 219-222, 1993.

  70. S. Yoshida, L. Castaneda. Partial replacement of potassium by sodium in the rice plant under weakly saline conditions. Soil Sci. Plant Nutr. 15:183-186, 1969.

  71. J.V. Amin, H.E. Joham. The cations of the cotton plant in sodium substituted potassium deficiency. Soil Sci. 105:248-254, 1968.

  72. H. Marschner. Why can sodium replace potassium in plants? In: Potassium in Biochemistry and Physiology. Bern: International Potash Institute, 1971, pp. 50-63.

  73. K. Mengel, R. Pfl�ger. Sodium and magnesium contents of different ryegrass varieties in relation to temperature and air humidity. Z. Acker-Pflanzenbau 136:272-279, 1973.

  74. M.G. Lindhauer. The role of K+ in cell extension, growth and storage of assimilates. In: Methods of K Research in Plants. Bern: International Potash Institute, 1989, pp. 161-187.

  75. P.F. Brownell, L.M. Bielig. The role of sodium in the conversion of pyruvate to phosphoenolpyruvate in mesophyll chloroplasts of C4 plants. Aus. J. Plant Physiol. 23: 171-177, 1996.

  76. R.A. Leigh, D.J. Walker, W. Fricke, A. Deri Thomas, A.J. Miller. Patterns of potassium compartmentation in plant cells as revealed by microelectrodes and microsampling. In: D.J. Oosterhuis, G.A. Berkowitz, eds. Frontiers in Potassium Nutrition: New Perspectives on the Effect of Potassium on Physiology of Plants. Norcross, GA, 1999, pp. 63-70.

  77. A.E. Johnston, K.W.T. Goulding. The use of plant and soil analysis to predict the potassium supplying capacity of soil. In: Development of K Fertilizer Recommendations. Bern: International Potash Institute, 1990, pp. 177-201.

  78. P.A. Helmke. The chemical composition of soils. In: M.E. Sumner, ed. Handbook of Soil Science. London: CRC Press, 2000, pp. B3-B24.

  79. P.M. Jardine, D.L. Sparks. Potassium-calcium exchange in a multireactive soil system. I. Kinetics. Soil Sci. Soc. Am. J. 48:39-45, 1984.

  80. D.L. Sparks. Environmental Soil Chemistry. 2nd ed. London: Academic Press, 2003, pp. 52-53.

  81. D.S. Fanning, V.Z. Keramidas, M.A. El Desoky. Micas. In: J.B. Dixon, S.B. Weed, eds. Minerals in Soil Environments. Madison: Soil Science Soc. America, 1989, pp. 551-634.

  82. H.W. Scherer. Dynamics and availability of the non-exchangeable NH4-N-a review. Eur. J. Agron. 2: 149-160, 1993.

  83. D. Steffens, D.L. Sparks. Kinetics of nonexchangeable ammonium release from soils. Soil Sci. Soc. Am. J. 61:455-462, 1997.

  84. H.W. Martin, D.L. Sparks. On the behaviour of nonexchangeable potassium in soils. Commun. Soil Sci. Plant Anal. 16:133-162, 1985.

  85. U. Schwertmann, P. S�sser, L. N�tscher. Proton buffer compounds in soils. Z. Pflanzenern�hr Bodenk 150:174-178, 1987.

  86. P. Hinsinger, J.E. Dufey, B. Jaillard. Biological weathering of micas in the rhizosphere as related to potassium absorption by plant roots. In: B.L. McMichael, H. Persson, eds. Plant Roots and Their Environment. Amsterdam: Elsevier, 1991, pp. 98-105.

  87. Rahmatullah, K. Mengel. Potassium release from mineral structures by H ion resin. Geoderma 96: 291-305, 2000.

  88. S. Feigenbaum, R.E. Edelstein, J. Shainberg. Release rate of potassium and structural cations from micas to ion exchangers in dilute solutions. Soil Sci. Soc. Am. J. 45:501-506, 1981.

  89. M.S. Aktar. Potassium availability as affected by soil mineralogy. In: K. Mengel, A. Krauss, eds. Potassium in Agriculture. Basel: International Potash Institute, 1994, pp. 139-155.

  90. K. Mengel, Rahmatullah, H. Dou. Release of potassium from the silt and sand fraction of loess-derived soils. Soil Sci. 163:805-813, 1998.

  91. F. Wulff,V. Schulz, A. Jungk, N. Claassen. Potassium fertilization on sandy soils in relation to soil test, crop yield and K-leaching. Z. Pflanzenern�hr Bodenk 161:591-599, 1998.

  92. H. Tributh, E. von. Boguslawski, A. von Liers, S. Steffens, K. Mengel. Effect of potassium removal by crops on transformation of illitic clay materials. Soil Sci. 143:404-409, 1987. Potassium 119

  93. N.C. Brady, R.R. Weil. The Nature and Properties of Soils. 12th ed. Englewood Cliffs, NJ: Prentice- Hall, 1999.

  94. A.N. Sharpley. Reaction of fertilizer potassium in soils of differing mineralogy. Soil Sci. 149: 44-51, 1990.

  95. L.R. Hossner. Dissolution for total elemental analysis. In: J.M. Bigham, ed. Methods of Soil Analysis. Part 3, Chemical Methods. Madison: Soil Sci. Soc. America, 1996, pp. 49-64.

  96. P.A. Helmke, D.L. Sparks. Lithium, sodium, potassium, rubidium and cesium. In: J.M. Bigham, ed. Methods of Soil Analysis. Part 3, Chemical Methods. Madison: Soil Sci. Soc. America, 1996, pp. 551-574.

  97. P. Schachtschabel. Fixation and release of potassium and ammonium ions. Assessment and determination of the potassium availability in soils. Landw. Forsch. 15:29-47, 1961.

  98. P.F. Pratt. Potassium. In: C.A. Black, ed. Methods in Soil Analysis, Part 2. Madison: Am. Soc. Agron. 1965, pp. 1023-1031.

  99. J.L. Havlin, D.G. Westfall, S.R. Olsen. Mathematical models for potassium release kinetics in calcareous soils. Soil Sci. Soc. Am. J. 49:371-376, 1985.

  100. K. Nemeth. The availability of nutrients in the soil as determined by electro-ultrafiltration (EUF). Adv. Agron. 31:155-188, 1979.

  101. K. Mengel, K. Uhlenbecker. Determination of available interlayer potassium and its uptake by ryegrass. Soil Sci. Soc. Am. J. 57:761-766, 1993.

  102. P.H.T. Beckett. Studies on soil potassium. II. The 'immediate' Q/I relations of labile potassium in the soil. J. Soil Sci. 15:9-23, 1964.

  103. A. Wild, D.L. Rowell, M.A. Ogunfuwora. Activity ratio as a measure of intensity factor in potassium supply to plants. Soil Sci. 108:432-439, 1969.

  104. S.A. Barber. A diffusion and mass flow concept of soil nutrient availability. Soil Sci. 93:39-49, 1962.

  105. P.H. Nye. Diffusion of ions and uncharged solutes in soils and soil clays. Adv. Agron. 31:225-272, 1979.

  106. A.O. Jungk. Dynamics of nutrient movement at the soil-root interface. In: Y. Waisel, A. Eshel, U. Kafkafi, eds. Plant Roots, the Hidden Half. New York: Marcel Dekker, 2002, pp. 587-616.

  107. M.C. Drew, P.H. Nye, L.V. Vaidyanathan. The supply of nutrient ions by diffusion to plant roots in soil. I. Absorption of potassium by cylindrical roots of onion and leek. Plant Soil 30:252-270, 1969.

  108. G. Hoffmann. Die Untersuchung von B�den. Darmstadt: VDLUFA-Verlag, 1991.

  109. K. Nemeth, H. Irion, J. Maier. Influence of EUF-K, EUK-Na and EUF-Ca fraction on the K uptake and the yield of sugar beet. Kali-Briefe 18:777-790, 1987.

  110. H.R. von Uexk�ll. Response of coconuts to potassium in the Philippines. Oleagineux 27:31-91, 1972.

  111. Y. Tokunaga. Potassium silicate-a slow-release fertilizer. Fert. Res. 30:55-59, 1991.

  112. V. Kovacevic, V. Vukadinovic. The potassium requirements of maize and soybeans on a high K-fixing soil. South Afr. Plant Soil 9:10-13, 1992.

  113. M. Sch�n, E.A. Niederbudde, A. Mahkorn. Results of a 20-year trial with mineral and organic fertilizer applications in the loess region of Landsberg (Lech). Z. Acker-Pflanzenbau 143:27-37, 1976.

  114. K. Mengel, D. Steffens. Potassium uptake of ryegrass (Lolium perenne) and red clover (Trifolium repens) as related to root parameters. Biol. Fert. Soils 1:53-58, 1985.

  115. R.L. Goss. The effects of potassium in disease resistance. In:V.J. Kilmer, S.E. Younts, N.C. Brady, eds. The Role of Potassium in Agriculture. Madison: American Potash Institute, 1968, pp. 221-241.

  116. D. Anac, B. Okur, C. Cilic, U. Aksoy, Z. Hepaksoy, S. Anac, M.A. Ul, F. Dorsan. Potassium fertilization to control salinization effects. In: A.E. Johnston, ed. Food Security in the WANA Region, the Essential Need for Balanced Fertilization. Basel: International Potash Institute, 1997, pp. 370-377.