EFFECT OF POTASSIUM FERTILIZATION ON GROWTH, YIELD AND WATER USE EFFICIENCY OF IRRIGATED POTATO | ||||
| Misr Journal of Agricultural Engineering | ||||
| Article 14, Volume 29, Issue 2, April 2012, Page 735-744 PDF (445.87 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjae.2012.102340 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| A.S. Ati1; S. M. Nafaou2 | ||||
| 1Prof. Soil Sci. Dept. – Coll. of Agric. – Univ. of Baghdad – Iraq. | ||||
| 2Assoc. Prof. Soil Sci. Dept. – Coll. of Agric. – Univ. of Baghdad – Iraq. | ||||
| Abstract | ||||
| Studies on the effect of K fertilizers application in increasing water use efficiency (WUE) and decreasing the negative effect of water stress, are quite limited, especially under field conditions. A field experiment was conducted in silty clay loam in the Agricultural Research Station of Abu-Graib- Baghdad, Iraq to study the effect of different levels of K fertilizers application on potato (Solanum tuberosumL.( and their role in decreasing negative effect of water stress. Treatments include four levels of K fertilizer (0, 200, 400 and 600 kg K2SO4 ha -1) and two levels of irrigation (after depletion of 50 and 75 % of available water). Results revealed the following:- The negative effects of water stress on potato growth and yield decreased by increased application of K fertilizers. Negative effects of water stress on plant quality and WUE were decreased by increasing level of K fertilizer in depletion 75% of available water, and saving in irrigation water with irrigation scheduling by 9%. 3. Tuber yield, plant height, leaf area and carbohydrates increased with increased K application. Higher K rates improved yield reached to 30.26 and 25.66 t.ha-1 in irrigation with 50 and 75% depletion of available water, respectively. 4. As a conclusion, nutrients application may have a good impact on plant performance under water stress, and decreasing amount of water applied through alterative irrigation improved yield of fruit. Therefore, this experiment signifies the importance of potassium application together with conserving in water application. | ||||
| References | ||||
|
Abdeldagir, A. H.; M. A. Errebhi; H. M. Al Sarhan, and M. Ibrahim, (2003),The effect of different levels of additional potassium on yield and industrial qualities of potato (Solanum tuberosum L.) in an irrigated arid region. Amer. J. Potato Res. 80:219-222.
Allen, R.G.; L.S. Perira; D. Raes and M. Smith, (1998), Crop Evapotranspiration. FAO Irrigation and Drainage paper 56, Rome.20-25.
Arab Organization for Agricultural Development.2006. (C. F. PhD Thes., Omar Hasham. 2009. Univ. of Baghdad. Coll. of Agr.).
Bowen, W.T., (2003), Water productivity and potato cultivation.In water productivity in agriculture: limits and opportunities for improvement. Ed. J. W. Kinje, R. Baker and D. Molden. CAB: 229-238.
Chapman, K. S. R.; L. A. Sparrow; P.R. Hardman; D. N. Wright and J.R. A. Thorp, (1992), Potassium nutrition of Kennebec and Russet Burbank potatoes in Tasmania: Effect of soil and fertilizer potassium on yield, petiole and tuber potassium concentrations and tuber quality. Australian J. Exp. Agric. 32:521-527.
Davenport, J. R., and E. M. Bentley, (2001) Does potassium fertilizer form, source, and time of application influence potato yield and quality in Columbia basin. Amer. J. Potato Res. 78:311-318.
Erdem, T.; Y. Erdem; H. Orta and H. Okursoy, (2006), Water – yield relationships of potato under different irrigation methods and regimes. Sci. Agric. 63(3):226-231.
Hart, T. G. and O. Smitm, (1966),Effect of levels sources of potassium on absorption of phosphorus by potatoes. Lants. Amer. Potato J. 43:217-235.
International Year of the Potato, (2008), Potato and water resources, Secretariat FAO. E-mail: potato2008@fao.org.
Kiziloglu, F.M.; U. Sahin; T. Tune and S. Diler, (2006). The effect of deficit irrigation on potato evapotranspiration and tuber yield under cool season and semiarid climatic conditions. J. Agron., 5: 284–288.
Mahmood, J. T, (2006), Effect of NPK addition and foliar application on growth, yield and components of potato plants tubers. MSC Thes. Univ. of Baghdad. Coll. of Agric.70-77.
Onder, S.; M. Caliskan; D. Onder and S. Caliskan (2005). Different irrigation methods and water stress effects on potato yield and yield components. Agric. Water Manage. 73:73-86.
Omar, H. M. (2009), Use of animal manures and whey as a system for organic farming and it effect on growth and production of potatoes. PhD Thes. Univ. of Baghdad. Coll. of Agric.1-3.
Pissarek, H. P., (1993), The development of potassium deficiency symptoms in spring rape. 2- Pfanzmerahr. Bodenk. 136:1-96.
SAS, (2002), SAS Users guide,Statistics SAS, Inst.Gary,N.C.,U.S.A.
Shock, C.C, (2004), Efficient irrigation scheduling. Malheur Exp.St. Oregon St. Univ., Oregon, USA. 55-100
Spooner, D. M. and J. B. Bamber, (1994).. Potato genetic resources: sources of resistance and systematic. Amer. Potato J.71:325-338.
Thornton, M.K, (2002), Effects of heat and water stress on the physiology of potatoes. Idaho Potato Conf., Idaho. 23-88.
Tisdale, S. L., W. N. Nelson and J. D. Havlin, (1997), Soil Fertility and Fertilizers. Prentice-Hall New Delhi.113-145.
Van Loon, C.D, (1981), The effect of water stress on potato growth, development and yield. Am. Potato J., 58: 51–69.
Westermann, D. T.; D. W. James; T.A. Tindall and R. L. Hurst, (1994), Nitrogen and potassium fertilization of potatoes: Yield and specific gravity. Amer. Potato J.71:417-432.
Yuan, B.Z.; S. Nishiyama and Y. Kang, (2003), Effects of different irrigation regimes on the growth and yield of drip-irrigated potato. Agric. Water Manag., 63: 153–167. | ||||
|
Statistics Article View: 129 PDF Download: 201 |
||||
