Potassium in agriculture – Status and perspectives

Journal of Plant Physiology - Tập 171 Số 9 - Trang 656-669 - 2014
Christian Zörb1, Mehmet Şenbayram2, Edgar Peiter3,4
1Universität Leipzig, Institute of Biology, Botany, Johannisallee 23, 04103 Leipzig, Germany
2Institute of Applied Plant Nutrition, University of Goettingen, Carl-Sprengel-Weg 1, D-37075 Göttingen, Germany
3Interdisciplinary Centre of Crop Research (IZN), Faculty of Natural Sciences III, Martin Luther University of Halle-Wittenberg, 06099 Halle (Saale), Germany
4Plant Nutrition Laboratory, Institute of Agricultural and Nutritional Sciences (IAEW), Faculty of Natural Sciences III, Martin Luther University of Halle-Wittenberg, 06099 Halle (Saale), Germany

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Abou-el-Seoud, 2012, Impact of rock materials and biofertilizations on P and K availability for maize (Zea maize) under calcareous soil conditions, Saudi J Biol Sci, 19, 55, 10.1016/j.sjbs.2011.09.001

Ahmad, 2014, Cellular and tissue distribution of potassium; physiological relevance, mechanisms and regulation, J Plant Physiol, 171, 708, 10.1016/j.jplph.2013.10.016

Amtmann, 2008, The effect of potassium nutrition on pest and disease resistance in plants, Physiol Plant, 133, 682, 10.1111/j.1399-3054.2008.01075.x

Andrist-Rangel, 2006, Mineralogical budgeting of potassium in soil: a basis for understanding standard measures of reserve potassium, J Plant Nutr Soil Sci, 169, 605, 10.1002/jpln.200621972

Annadurai, 2000, Split application of potassium on rice – a review, Agric Rev, 21, 36

Anschütz, 2014, Going beyond nutrition: regulation of potassium homoeostasis as a common denominator of plant adaptive responses to environment, J Plant Physiol, 171, 670, 10.1016/j.jplph.2014.01.009

Apse, 2007, Na+ transport in plants, FEBS Lett, 581, 2247, 10.1016/j.febslet.2007.04.014

Armengaud, 2004, The potassium-dependent transcriptome of Arabidopsis reveals a prominent role of jasmonic acid in nutrient signaling, Plant Physiol, 136, 2556, 10.1104/pp.104.046482

Askegaard, 2004, Sustainable management of potassium, 85

Balkos, 2010, Optimization of ammonium acquisition and metabolism by potassium in rice (Oryza sativa L. cv. IR-72), Plant Cell Environ, 33, 23

Barbagelata, 2012, Field correlation of potassium soil test methods based on dried and field-moist soil samples for corn and soybean, Nutr Managem Soil Plant Anal, 77, 318

Barre, 2008, Clay minerals as a soil potassium reservoir: observation and quantification through X-ray diffraction, Plant Soil, 302, 213, 10.1007/s11104-007-9471-6

Basak, 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 Soil, 317, 235, 10.1007/s11104-008-9805-z

Becalski, 2003, Acrylamide in foods: occurrence, sources, and modeling, J Agric Food Chem, 51, 802, 10.1021/jf020889y

Becker, 2003, Regulation of the ABA-sensitive Arabidopsis potassium channel gene GORK in response to water stress, FEBS Lett, 554, 119, 10.1016/S0014-5793(03)01118-9

Belitz, 2007

Benito, 2014, The twins K+ and Na+ in plants, J Plant Physiol, 171, 723, 10.1016/j.jplph.2013.10.014

Bennett, 1998, Microbial destruction of feldspars, Mineral Mag, 8, 149, 10.1180/minmag.1998.62A.1.79

Blatt, 2014, Exploring emergent properties in cellular homeostasis using OnGuard to model K+ and other ion transport in guard cells, J Plant Physiol, 171, 770, 10.1016/j.jplph.2013.09.014

Blum, 1992, Stimulation of growth and ion uptake in bean leaves by red and blue light, Plant Physiol, 100, 1968, 10.1104/pp.100.4.1968

Brag, 1972, The influence of potassium on transpiration rate and stomatal opening in Triticum aestivum and Pisum sativum, Physiol Plant, 26, 250, 10.1111/j.1399-3054.1972.tb03577.x

Brouder, 2008, Impact of climate change on crop nutrient and water use efficiencies, Physiol Plant, 133, 705, 10.1111/j.1399-3054.2008.01136.x

Burton, 1969, The sugar balance in some British potato varieties during storage. II. The effects of tuber age, previous storage temperature, and intermittent refrigeration upon low-temperature sweetening, Eur Potato J, 12, 81, 10.1007/BF02364726

Cakmak, 2005, The role of potassium in alleviating detrimental effects of abiotic stresses in plants, J Plant Nutr Soil Sci, 168, 521, 10.1002/jpln.200420485

Cakmak, 1994, Partitioning of shoot and root dry matter and carbohydrates in bean plants suffering from phosphorus, potassium and magnesium deficiency, J Exp Bot, 45, 1245, 10.1093/jxb/45.9.1245

Carminati, 2013, Plasticity of rhizosphere hydraulic properties as a key for efficient utilization of scarce ressources, Ann Bot, 112, 277, 10.1093/aob/mcs262

Chaerle, 2007, Monitoring and screening plant populations with combined thermal and chlorophyll fluorescence imaging, J Exp Bot, 58, 773, 10.1093/jxb/erl257

Chen, 2001, A potato molecular-function map for carbohydrate metabolism and transport, Theor Appl Genet, 102, 284, 10.1007/s001220051645

Chen, 2000, Study on detoxication of organic acid to radish under the stress of Pb and Cd, Acta Sci Circumst, 20, 467

Chen, 2007, Compatible solute accumulation and stress-mitigating effects in barley genotypes contrasting in their salt tolerance, J Exp Bot, 58, 4245, 10.1093/jxb/erm284

Chen, 2005, Screening plants for salt tolerance by measuring K+ flux: a case study for barley, Plant Cell Environ, 28, 1230, 10.1111/j.1365-3040.2005.01364.x

Ciais, 2005, Europe-wide reduction in primary productivity caused by the heat and drought in 2003, Nature, 437, 529, 10.1038/nature03972

Claassen, 1999, Mechanistic simulation models for a better understanding of nutrient uptake from soil, 327

Coombe, 1992, Research on development and ripening of the grape berry, Am J Enol Viticul, 43, 120, 10.5344/ajev.1992.43.1.101

Cuéllar, 2013, Potassium transport in developing fleshy fruits: the grapevine inward K+ channel VvK1.2 is activated by CIPK-CBL complexes and induced in ripening berry flesh cells, Plant J, 73, 1006, 10.1111/tpj.12092

Damon, 2007, Wheat genotypes differ in potassium efficiency under glasshouse and field conditions, Aust J Agric Res, 58, 816, 10.1071/AR06402

Davies, 1991, Root signals and the regulation of growth and development of plants in drying soil, Annu Rev Plant Physiol Plant Mol Biol, 42, 55, 10.1146/annurev.pp.42.060191.000415

Deeken, 2002, Loss of the AKT2/3 potassium channel affects sugar loading into the phloem of Arabidopsis, Planta, 216, 334, 10.1007/s00425-002-0895-1

Demidchik, 2014, Mechanisms and physiological roles of K+ efflux from root cells, J Plant Physiol, 171, 696, 10.1016/j.jplph.2014.01.015

Demidchik, 2002, Nonselective cation channels in plants, Annu Rev Plant Physiol Plant Mol Biol, 53, 67, 10.1146/annurev.arplant.53.091901.161540

Demidchik, 2007, Physiological roles of nonselective cation channels in plants: from salt stress to signalling and development, New Phytol, 175, 387, 10.1111/j.1469-8137.2007.02128.x

Demidchik, 2003, Free oxygen radicals regulate plasma membrane Ca2+- and K+-permeable channels in plant root cells, J Cell Sci, 116, 81, 10.1242/jcs.00201

Demidchik, 2002, Sodium fluxes through nonselective cation channels in the plasma membrane of protoplasts from Arabidopsis roots, Plant Physiol, 128, 379, 10.1104/pp.010524

Dowdy, 1963, Effects of exchangeable potassium level and drying on release and fixation of potassium by soils as related to clay mineralogy, Soil Sci Soc Am Proc, 27, 31, 10.2136/sssaj1963.03615995002700010014x

Drew, 1984, Uptake and long-distance transport of phosphate, potassium and chloride in relation to internal ion concentrations in barley: evidence of non-allosteric regulation, Planta, 160, 500, 10.1007/BF00411137

El Dessougi, 2002, Potassium efficiency mechanisms of wheat, barley, and sugar beet grown on a K fixing soil under controlled conditions, J Plant Nutr Soil Sci, 165, 732, 10.1002/jpln.200290011

El-Bassam, 1998, A concept of selection for ‘low input’ wheat varieties, Euphytica, 100, 95, 10.1023/A:1018308023391

FAO, 2011

Farooq, 2008, Activation of antioxidant system by KCl improves the chilling tolerance in hybrid maize, J Agron Crop Sci, 194, 438, 10.1111/j.1439-037X.2008.00295.x

Gajdanowicz, 2011, Potassium (K+) gradients serve as a mobile energy source in plant vascular tissues, Proc Natl Acad Sci USA, 108, 864, 10.1073/pnas.1009777108

Gerendás, 2007, Influence of nitrogen and potassium supply on contents of acrylamide precursors in potato trubers and on acrylamide accumulation in French fries, J Plant Nutr, 30, 1499, 10.1080/01904160701555846

Goulding, 1986, The classification and mapping of potassium reserves in soils of England and Wales, J Soil Sci, 37, 555, 10.1111/j.1365-2389.1986.tb00387.x

Gregory, 1979, Nutrient relations of winter wheat.1. Accumulation and distribution of NaK, Ca, Mg, P, S and N, J Agric Sci, 93, 485, 10.1017/S0021859600038181

Grewal, 1980, Effect of potassium nutrition on frost damage and yield of potato plants on alluvial soils of the Punjab (India), Plant Soil, 57, 105, 10.1007/BF02139646

Grzebisz, 2013, The effects of potassium fertilization on water-use efficiency in crop plants, J Plant Nutr Soil Sci, 176, 355, 10.1002/jpln.201200287

Haby, 1990, Testing soils for potassium, calcium, and magnesium, 181

Hamamoto, 2014, Organelle-localized potassium transport systems in plants, J Plant Physiol, 171, 743, 10.1016/j.jplph.2013.09.022

Han, 2005, Phosphate and potassium solubilizing bacteria effect on mineral uptake, soil availability and growth of eggplant, Res J Agric Biol Sci, 1, 176

Han, 2006, Effect of co-inoculation with phosphate and potassium solubilizing bacteria on mineral uptake and growth of pepper and cucumber, Plant Soil Environ, 52, 130, 10.17221/3356-PSE

Hanway, 1959, Soil potassium–moisture relations: III Determining the increase in exchangeable soil potassium on drying soils, Soil Sci Soc Am Proc, 23, 22, 10.2136/sssaj1959.03615995002300010014x

He, 2008, Beneficial effects of potassium on human health, Physiol Plant, 133, 725, 10.1111/j.1399-3054.2007.01033.x

Hermans, 2006, How do plants respond to nutrient shortage by biomass allocation, Trends Plant Sci, 11, 610, 10.1016/j.tplants.2006.10.007

Hinsinger, 1993, Root-induced release of interlayer potassium and vermiculitization of phlogopite as related to potassium depletion in the rhizosphere of ryegrass, J Soil Sci, 44, 525, 10.1111/j.1365-2389.1993.tb00474.x

Hogh-Jensen, 2003, Morphological plasticity by crop plants and their potassium use efficiency, J Plant Nutr, 26, 969, 10.1081/PLN-120020069

Holthusen, 2010, Impact of potassium concentration and matric potential on soil stability derived from rheological parameters, Soil Tillage Res, 111, 75, 10.1016/j.still.2010.08.002

Hosseinpur, 2012, Potassium release kinetics and its correlation with pinto bean (Phaseolus vulgaris) plant indices, Plant Soil Environ, 58, 328, 10.17221/70/2012-PSE

Hu, 2005, Drought and salinity: a comparison of their effects on mineral nutrition of plants, J Plant Nutr Soil Sci, 168, 541, 10.1002/jpln.200420516

Iland, 1988, Malate, tartrate, potassium, and sodium in flesh and skin of Shiraz grapes during ripening – concentration and compartmentation, Am J Enol Vitic, 39, 71, 10.5344/ajev.1988.39.1.71

Ivashikina, 2005, K+ currents through SV-type vacuolar channels are sensitive to elevated luminal sodium levels, Plant J, 41, 606, 10.1111/j.1365-313X.2004.02324.x

Jackson, 1964, Chemical composition of soils, 71

Jeschke, 2000, Root–shoot interactions in mineral nutrition, Plant Soil, 226, 57, 10.1023/A:1026431408238

Johnson, 1990, The use of plant and soil analysis to predict the potassium supplying capacity of soil, 177

Jungk, 2001, Root hairs and the acquisition of plant nutrients from soil, J Plant Nutr Soil Sci, 164, 121, 10.1002/1522-2624(200104)164:2<121::AID-JPLN121>3.0.CO;2-6

Kafkafi, 1990, The functions of plant K in overcoming environmental stress situations, 81

Kettlewell, 2000, Evidence for an osmotic mechanism in the control of powdery mildew disease of wheat by foliar-applied potassium chloride, Eur J Plant Pathol, 106, 297, 10.1023/A:1008761202455

Knight, 1997, Calcium signalling in Arabidopsis thaliana responding to drought and salinity, Plant J, 12, 1067, 10.1046/j.1365-313X.1997.12051067.x

Kraffczyk, 1984, Soluble root exudates of maize: influence of potassium supply and rhizosphere microorganisms, Soil Biol Biochem, 16, 315, 10.1016/0038-0717(84)90025-7

Kronzucker, 2008, Non-reciprocal interactions between K+ and Na+ ions in barley (Hordeum vulgare L.), J Exp Bot, 59, 2793, 10.1093/jxb/ern139

Kwak, 2001, Dominant negative guard cell K+ channel mutants reduce inward-rectifying K+ currents and light-induced stomatal opening in Arabidopsis, Plant Physiol, 127, 473, 10.1104/pp.010428

Leigh, 1984, A hypothesis relating critical potassium concentrations for growth to the distribution and functions of this ion in the plant cell, New Phytol, 97, 1, 10.1111/j.1469-8137.1984.tb04103.x

Lew, 1991, Substrate regulation of single potassium and chloride ion channels in Arabidopsis plasma membrane, Plant Physiol, 95, 642, 10.1104/pp.95.2.642

Li, 2011, Comparison of gas exchange and chlorophyll fluorescence of low-potassium-tolerant and -sensitive soybean [Glycine max (L.) Merr.] cultivars under low-potassium condition, Photosynthetica, 49, 633, 10.1007/s11099-011-0073-4

Lingnert, 2002, Acrylamide in food: mechanisms of formation and influencing factors during heating of foods, Scand J Nutr, 46, 159, 10.1080/110264802762225273

Luebs, 1956, Relation of available potassium to soil moisture, Soil Sci Soc Am Proc, 20, 45, 10.2136/sssaj1956.03615995002000010011x

Lune, 1977, Ripening disorders of tomato as affected by the K/Ca ratio in the culture solution, J Hortic Sci, 52, 173, 10.1080/00221589.1977.11514744

Malagoli, 2008, Futile Na+ cycling at the root plasma membrane in rice (Oryza sativa L.): kinetics, energetics, and relationship to salinity tolerance, J Exp Bot, 59, 4109, 10.1093/jxb/ern249

Mann, 2004, Effect of foliar-applied potassium chloride on septoria leaf blotch of winter wheat, Plant Pathol, 53, 653, 10.1111/j.1365-3059.2004.01063.x

Marschner, 1980, Beziehungen zwischen Kaliumgehalt und Qualität von Kartoffeln, Kartoffelanbau, 31, 65

Marschner, 2012

Melotto, 2006, Plant stomata function in innate immunity against bacterial invasion, Cell, 126, 969, 10.1016/j.cell.2006.06.054

Menendez, 2002, Cold sweetening in diploid potato: mapping quantitative trait loci and candidate genes, Genetics, 162, 1423, 10.1093/genetics/162.3.1423

Mengel, 1980, Effect of potassium on the assimilate conduction to storage tissue, Ber Deutsch Bot Gesellsch, 93, 353, 10.1111/j.1438-8677.1980.tb03346.x

Mengel, 1982, 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, 10.1111/j.1399-3054.1982.tb00699.x

Mengel, 1982, The importance of the potassium buffer power on the critical potassium level in soils, Soil Sci, 133, 27, 10.1097/00010694-198201000-00005

Mengel, 1987

Mengel, 2001

Mengel, 1985, Potassium uptake of rye grass (Lolium perenne) and red clover (Trifolium pratense) as related to root parameters, Biol Fertil Soils, 1, 53, 10.1007/BF00710971

Merbach, 2000, The long-term fertilization experiments in Halle (Saale), Germany – introduction and survey, J Plant Nutr Soil Sci, 163, 629, 10.1002/1522-2624(200012)163:6<629::AID-JPLN629>3.0.CO;2-P

Mian, 2011, Over-expression of an Na+- and K+-permeable HKT transporter in barley improves salt tolerance, Plant J, 68, 468, 10.1111/j.1365-313X.2011.04701.x

Mottram, 2002, Acrylamide is formed in the Maillard reaction, Nature, 419, 448, 10.1038/419448a

Mpelasoka, 2003, A review of potassium nutrition in grapevines with special emphasis on berry accumulation, Aust J Grape Wine Res, 9, 154, 10.1111/j.1755-0238.2003.tb00265.x

Mühling, 1999, Effect of K+ nutrition, leaf age and light intensity on apoplastic K+ in leaves of Vicia faba, J Plant Nutr Soil Sci, 162, 571, 10.1002/(SICI)1522-2624(199912)162:6<571::AID-JPLN571>3.0.CO;2-0

Munns, 2008, Mechanisms of salinity tolerance, Annu Rev Plant Biol, 59, 651, 10.1146/annurev.arplant.59.032607.092911

Nieves-Cordones, 2014, K+ uptake in plant roots. The systems involved, their regulation and parallels in other organisms, J Plant Physiol, 171, 688, 10.1016/j.jplph.2013.09.021

Öborn, 2005, Critical aspects of potassium management in agricultural systems, Soil Use Manage, 21, 102, 10.1079/SUM2005297

Ogaard, 2005, Ability of different soil extraction methods to predict potassium release from soil in ley over three consecutive years, J Plant Nutr Soil Sci, 168, 186, 10.1002/jpln.200421501

Olsson, 2004, Tuber components affecting acrylamide formation and colour in fried potato: Variation by variety, year, storage temperature and storage time, J Sci Food Agricult, 84, 447, 10.1002/jsfa.1681

Oosterhuis, 2013, Potassium and stress alleviation: physiological functions and management of cotton, J Plant Nutr Soil Sci, 176, 331, 10.1002/jpln.201200414

Pal, 2001, Role of weathering of fine-grained micas in potassium management of Indian soils, Appl Clay Sci, 20, 39, 10.1016/S0169-1317(01)00044-8

Patrick, 2001, Role of membrane transport in phloem translocation of assimilates and water, Aust J Plant Physiol, 28, 695

Peiter, 2011, The plant vacuole: emitter and receiver of calcium signals, Cell Calcium, 50, 120, 10.1016/j.ceca.2011.02.002

Peiter, 2005, The vacuolar Ca2+-activated channel TPC1 regulates germination and stomatal movement, Nature, 434, 404, 10.1038/nature03381

Pettigrew, 2008, Potassium influences on yield and quality production for maize, wheat, soybean and cotton, Physiol Plant, 133, 670, 10.1111/j.1399-3054.2008.01073.x

Philippar, 2003, The K+ channel KZM1 mediates potassium uptake into the phloem and guard cells of the C-4 grass Zea mays, J Biol Chem, 278, 16973, 10.1074/jbc.M212720200

Pottosin, 2014, Non-selective cation channels in plasma and vacuolar membranes and their contribution to K+ transport, J Plant Physiol, 171, 732, 10.1016/j.jplph.2013.11.013

Rascio, 2001, Enhanced osmotolerance of a wheat mutant selected for potassium accumulation, Plant Sci, 160, 441, 10.1016/S0168-9452(00)00404-0

Rengasamy, 1998, Processes involved in sodic behavior, 35

Rengel, 2008, Crops and genotypes differ in efficiency of potassium uptake and use, Physiol Plant, 133, 624, 10.1111/j.1399-3054.2008.01079.x

Reynolds, 2011, Raising yield potential of wheat. I. Overview of a consortium approach and breeding strategies, J Exp Bot, 62, 439, 10.1093/jxb/erq311

Roe, 1990, Role of reducing sugars and amino acids in fry color of chips from potatoes grown under different nitrogen regimes, J Sci Food Agric, 52, 207, 10.1002/jsfa.2740520207

Roelfsema, 2002, Studying guard cells in the intact plant: modulation of stomatal movement by apoplastic factors, New Phytol, 153, 425, 10.1046/j.1469-8137.2002.00344.x

Römheld, 2010, Research on potassium in agriculture: needs and prospects, Plant Soil, 335, 155, 10.1007/s11104-010-0520-1

Roosta, 2008, Effects of nitrate and potassium on ammonium toxicity in cucumber plants, J Plant Nutr, 31, 1270, 10.1080/01904160802135050

Rubio, 1995, Sodium-driven potassium uptake by the plant potassium transporter HKT1 and mutations conferring salt tolerance, Science, 270, 1660, 10.1126/science.270.5242.1660

Sangakkara, 2000, Effect of soil moisture and potassium fertilizer on shoot water potential, photosynthesis and partitioning of carbon in mungbean and cowpea, J Agron Crop Sci, 185, 201, 10.1046/j.1439-037x.2000.00422.x

Santa-Maria, 2000, High-affinity potassium transport in barley roots Ammonium-sensitive and -insensitive pathways, Plant Physiol, 123, 297, 10.1104/pp.123.1.297

Sattelmacher, 1994, Factors that contribute to genetic variation for nutrient efficiency of crop plants, Z Pflanzenernähr Bodenk, 157, 215, 10.1002/jpln.19941570309

Schneider, 2013, Kinetics of soil potassium sorption-desorption and fixation, Commun Soil Sci Plant Anal, 44, 837, 10.1080/00103624.2013.749442

Schroeder, 1978, Structure and weathering of potassium containing minerals

Sen Gupta, 1989, Maintenance of photosynthesis at low leaf water potential in wheat Role of potassium status and irrigation history, Plant Physiol, 89, 1358, 10.1104/pp.89.4.1358

Shabala, 2007, Potassium transport and plant salt tolerance, Physiol Plant, 133, 651, 10.1111/j.1399-3054.2007.01008.x

Sheng, 2005, Growth promotion and increased potassium uptake of cotton and rape by a potassium releasing strain of Bacillus edaphicus, Soil Biol Biochem, 37, 1918, 10.1016/j.soilbio.2005.02.026

Sheng, 2002, The conditions of releasing potassium by a silicate-dissolving bacterial strain NBT, Agric Sci China, 1, 662

Shin, 2004, Hydrogen peroxide mediates plant root cell response to nutrient deprivation, Proc Natl Acad Sci USA, 101, 8827, 10.1073/pnas.0401707101

Singh, 1997, Changes with time in the potassium content and phyllosilicates in the soil of the Broadbalk continuous wheat experiment at Rothamsted, Eur J Soil Sci, 48, 651, 10.1046/j.1365-2389.1997.00115.x

Slabu, 2009, Is salt stress of faba bean (Vicia faba L.) caused by Na+ or Cl− toxicity, J Plant Nutr Soil Sci, 172, 644, 10.1002/jpln.200900052

Smil, 1999, Crop residues: agriculture's largest harvest, Bioscience, 49, 299, 10.2307/1313613

Somers, 1977, A connection between potassium levels in the harvest and relative quality in Australian red wines, Aust Wine Brewing Spirit Rev, 24, 32

Sparks, 1985, Physical chemistry of soil potassium, 201

Sparks, 1987, Potassium dynamics in soils, Adv Soil Sci, 6, 1, 10.1007/978-1-4612-4682-4_1

Stumpf, 1991, The effect of pH and K+ on appressorium formation by Uromyces appendiculatus urediospore germlings, Exp Mycol, 15, 356, 10.1016/0147-5975(91)90040-K

Subramanian, 2011, The three-dimensional distribution of minerals in potato tubers, Ann Bot, 107, 681, 10.1093/aob/mcr009

Syers, 2001, Nutrient depletion in Asia: how serious is the problem?

Tanaka, 2005, Ethylene inhibits abscisic acid-induced stomatal closure in Arabidopsis, Plant Physiol, 138, 2337, 10.1104/pp.105.063503

Troufflard, 2010, Potassium deficiency induces the biosynthesis of oxylipins and glucosinolates in Arabidopsis thaliana, BMC Plant Biol, 10, 172, 10.1186/1471-2229-10-172

Tsonev, 2011, Effect of water deficit and potassium fertilization on photosynthetic activity in cotton plants, Plant Biosyst, 145, 841, 10.1080/11263504.2011.560199

van Olphen, 1977

Véry, 2014, Molecular biology of K+ transport across the plant cell membrane: what do we learn from comparison between plant species?, J Plant Physiol, 171, 748, 10.1016/j.jplph.2014.01.011

Wakeel, 2013, Potassium–sodium interactions in soil and plant under saline-sodic conditions, J Plant Nutr Soil Sci, 176, 344, 10.1002/jpln.201200417

Wakeel, 2010, Potassium substitution by sodium in sugar beet (Beta vulgaris) nutrition on K-fixing soils, J Plant Nutr Soil Sci, 173, 127, 10.1002/jpln.200900270

Wang, 2007, Effect of organic acids on K release from K-bearing minerals, J Shenyang Agric Univ China, 38, 65

Wang, 2011, Plants use alternative strategies to utilize nonexchangeable potassium in minerals, Plant Soil, 343, 209, 10.1007/s11104-011-0726-x

Wang, 2013, The critical role of potassium in plant stress response, Int J Mol Sci, 14, 7370, 10.3390/ijms14047370

Wang, 1996, Interactions between K+ and NH4+: effects on ion uptake by rice roots, Plant Cell Environ, 19, 1037, 10.1111/j.1365-3040.1996.tb00210.x

Wasternack, 2007, Jasmonates: an update on biosynthesis, signal transduction and action in plant stress response, growth and development, Ann Bot, 100, 681, 10.1093/aob/mcm079

Wedepohl, 1995, The composition of the continental crust, Geochim Cosmochim Acta, 59, 1217, 10.1016/0016-7037(95)00038-2

White, 2013, Improving potassium acquisition and utilisation by crop plants, J Plant Nutr Soil Sci, 176, 305, 10.1002/jpln.201200121

Wigoda, 2014, Is the leaf bundle sheath a “smart flux valve” for K+ nutrition?, J Plant Physiol, 171, 715, 10.1016/j.jplph.2013.12.017

Zhang, 1997, Phosphorus deficiency enhances root exudation of low-molecular weight organic acids and utilization of sparingly soluble inorganic phosphates by radish (Raphanus sativus L.) and rape (Brassica napus L.) plants, Plant Soil, 196, 261, 10.1023/A:1004214410785

Zhao, 2001, Influence of potassium deficiency on photosynthesis, chlorophyll content, and chloroplast ultrastructure of cotton plants, Photosynthetica, 39, 103, 10.1023/A:1012404204910

Zimmermann, 2005, Potassium, 26

Zörb, 2005, Molecular characterization of Na+/H+ antiporters (ZmNHX) of maize (Zea mays L.) and their expression under salt stress, J Plant Physiol, 162, 55, 10.1016/j.jplph.2004.03.010