The optimal recommended rates of phosphorus (P) and potassium (K) in the Kilombero valley, Tanzania are outdated. The Objective of the study was to establish optimum rates of P and K for improved rice cultivation in rice fields of Kilombero valley. Two on-farm experiments were carried out in two seasons of January to May 2014 and 2015 at Mkula, Mbasa and Kisawasawa sites in Kilombero district, Tanzania. In the first experiment the treatments were a control for P; adequate levels of N and K plus two rates of phosphorus 10 and 20 kg P /ha. In the second experiment the treatments were a control for K; and two rates of K of either 50 or 100 kg/ha. These three treatments each received adequate levels of N, P and Zn. An absolute control and a control for N treatments were included in both of the experiments. The test crop was rice variety SARO-5. Phosphorus application significantly increased grain yield (GY) by 3.26 and 2.01 t/ha at Mbasa and Mkula, respectively. Also P application increased shoot P concentration from a low level (0.12%) to the adequate range (0.19 - 0.24%) at the two sites. Potassium application increased significantly GY by 2.76 and 1.93 t/ha at Mbasa and Mkula, respectively. Also K application increased shoot K concentration from a low range (1.14 - 1.34%) to the adequate range (2.63 - 2.99%) at the two sites. An application of P and K affected neither shoot K nor P concentrations nor GY at Kisawasawa site. It is recommended that 10 kg P/ha and 50 kg K/ha be used as optimum rate for rice production in P and K deficient soils of Kilombero valley.
| Published in | Agriculture, Forestry and Fisheries (Volume 6, Issue 1) |
| DOI | 10.11648/j.aff.20170601.14 |
| Page(s) | 26-33 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2017. Published by Science Publishing Group |
Optimum P Rate, Optimum K Rate, Lowland- Rainfed, Macronutrients
| [1] | Kilima, F. T. M. (2011). Scaling up Minjingu Phosphate Utilization for Balanced Fertilization of Crops in Tanzania. Participatory socio-economic and agronomic baseline survey Report. Sokoine University of Agriculture, Morogoro, 51pp. |
| [2] | Eastern Africa Agricultural Productivity Program (EAAPP) (2012). Message from RRCoE coordinator and Officer Incharge ARI – KATRIN. KATRIN-RRCoE Bulletin, 1: 1-20. www.erails.net/KATRINRRCoENewsBulletinNov2012. Retrieved May 2016. |
| [3] | Sabugo, R. T. (2013). Adaptation strategies by smallholder rice farmers under the influence of climate change: a case of Kilombero basin, Tanzania. A Dissertation for Award of Degree of Master of Art in Rural Development at SUA, Morogoro, Tanzania. 97. |
| [4] | Msomba, S. W., Kanyeka, Z. L., Kihupi, A. N., Penza, M. S and Alluri, K. (2002). Rice Ecosystem in Tanzania. Internal Research Notes 20: 1-13. |
| [5] | Mligo, F. E. and Msuya, C. P. (2015). Farmers adoption of recommended rice varieties: a case of Kilombero district of Morogoro region, Tanzania. South Africa Journal of Agriculture and extension 43: 41-56. |
| [6] | Semoka, J. M. R, Ikerra, S. T., Nyambilila, C., Msuya – Bengesi, C and Kullaya, I. (2012). Scaling up minjingu phosphate utilization for balanced fertilization of crops in Tanzania. Technical Report for the Project on 2010 -2011. Sokoine University of Agriculture, Morogoro. Tanzania 16. |
| [7] | Amuri N, Semoka, J. M. R, Ikerra, S., Kulaya. I. and Msuya-Bengesi C. P. (2013). Enhancing use of phosphorus fertilizers for maize and rice production in small scale farming in Eastern and Northern zones, Tanzania. A Paper presented at the 27th Soil Science Society East Africa -6th Africa Soil Science Society Conference, 21st to 25th October 2013, Nakuru, Kenya.; 12l. |
| [8] | Gharibu, F. N. (2014). Effectiveness of Minjingu Mazao as a source of Phosphorus, zinc and copper in Rice Production in Kilombero District- Morogoro, Tanzania. Dissertation for Award of MSc (Soil Science and Land Management) of Sokoine University of Agriculture, Morogoro, Tanzania, 87. |
| [9] | Kalala, M. A., Amuri, N. A. and Semoka J. M. R. (2016). Response of Rice to Phosphorus and Potassium Fertilization Based on Nutrient Critical Levels in Plants and Soils of Kilombero Valley. Advances in Research 7 (5): 1-12, 2016. |
| [10] | Brady, N. C. and Weil, R. R. (2008). The Nature and Properties of Soils. 12th Ed. Pearson Prentice Hall; Incorporation, Upper Saddle River New Jersey, USA. 881 pp. |
| [11] | Wit, C. and Doberman, A. (2002). A site-specific nutrient management approach for irrigated lowland rice in Asia. Better Crops International 16 (1): 20–24. |
| [12] | Massawe, B. H. J. and Amuri N. (2012). Soil fertility and agronomic practices evaluation for improved rice production in lowland rice producing areas Kilombero and Wami valleys. A Report for ACDI/VOCA Project. Morogoro, Tanzania. 255. |
| [13] | Mzee, O. (2001). Effectiveness of Minjingu phosphate rock as a source of phosphorus for lowland rice production in selected soils of Tanzania. Dissertation for Award of MSc Degree at Sokoine University of Agriculture, Tanzania 120pp. |
| [14] | Moro, B. M., Nuhu I. R. and Toshiyuki, W. (2008). Determining Optimum Rates of Mineral Fertilizers for Economic Rice Grain Yields under the “Sawah” System in Ghana. West African Journal of Applied Ecology 12: 1-12. |
| [15] | Mowo, J. G., Floor, J., Kaihura, F. B. S. and Magogo, J. P. (1993). Review of Fertilizer recommendation in Tanzania. Part 2, Revised Fertilizer Recommendation, for Tanzania. National Soil Service (ARI – Mlingano, Ministry of Agriculture, Tanga Tanzania. |
| [16] | Kato, F. (2007). Development of major rice cultivation area in the Kilombero Valley, Tanzania. African study Monograph 36: 3-18. |
| [17] | McLean, E. O. (1982). Soil pH and Lime requirement: In: Methods of soil analysis part2 (edited by AI Page; RH Miller and DR Keeney) American Society of Agronomy Soil Science America Inc., Madison, Wisconsin. pp 191-224. |
| [18] | Bray, R. H. and Kurtz, L. T. (1945). Determination of total, organic and available forms of phosphorus in soil. Soil Science 59: 39–45. |
| [19] | Murphy, J. and Riley, J. P. A (1962). Modified single solution method for the determination of phosphates in natural waters. Anal Chem Acta 27: 31-36. |
| [20] | Thomas, G. W. (1996). Exchangeable cations. In: Methods of Soil Analysis. America Society Agronomy Monograph 9: 149-157. |
| [21] | Lindsay, W. L. and Norvel, W. A. (1978). Development of a DTPA test for zinc, iron, manganese and copper. Soil Science Society American Journal 42: 421-428. |
| [22] | Moberg J. R. (2000). Soil and plant analysis manual. The Royal Veterinary and Agriculture University, Chemistry Department, Copenhagen, Denmark. 133. |
| [23] | Okalebo, J. R, Gathua, K. W. and Woomer, P. (1993). Laboratory methods of soil analysis. A working manual KARI, Nairobi, Kenya. |
| [24] | Landon, J. R. (1991). Booker Tropical Soil Manual: A handbook for soil survey and agricultural land evaluation in the tropics and subtropics. John Wiley and Sons: New York..450 pp. |
| [25] | Van Breeman, N. (1980). Acidity of Wetland soils, including Histosols as a constraint to food production in the tropics. In: Priorities for alleviating soil related constraints for food production in the tropics. International research Institute and New York State college of Agriculture and Life Sciences, Cornell University. pp 189-202. |
| [26] | Shemahonge, M. I. (2013). Improving upland rice (oryza sativa l.) performance through enhanced soil fertility and water conservation methods at Ukiriguru Mwanza, Tanzania. Dissertation for Award of MSc Degree at Sokoine University of Agriculture, Tanzania, 80 pp. |
| [27] | Slaton, N. A., Norman, R. J., DeLong, R. E., Clark, S. D., Cartwright, R. D. and Parsons, C. E. (2009). Rice Response to Phosphorus and Potassium Fertilization. B. R. Wells Rice Research Studies. |
| [28] | Akassimadou, E. F., Koné, B., Zadi, G. F. F, Konan, F., Traoré, M. J. and Yao-Kouamé, A. (2014). Rice response to phosphorus and potassium in Fluvisol of second order lowland in a Guinea savannah zone of sub-Saharan Africa. International Journal of Plant Soil Science; 3 (3): 232-24. |
| [29] | Dobermann, A. and Fairhust, T. (2000). Rice nutrient disorders and nutrient and nutrient management. International Rice Research Institute. Potash and Phosphate Institute, of Canada, and International Rice Research Institute, Singapore and Los Baños. 203. |
| [30] | Lema, N. D. (2013). Response of lowland rice (Oryza sativa L.) varieties to moisture stress at different levels of potassium. A Dissertation submitted in partial fulfillment of the requirements for the degree of Master of Science in crop science of Sokoine University of Agriculture. Morogoro, Tanzania. 145. |
APA Style
Asheri Mwamba Kalala, Nyambilila Abdallah Amuri, Johnson Mashambo Semoka. (2017). Optimum Levels of Phosphorus and Potassium for Rice in Lowland Areas of Kilombero District, Tanzania. Agriculture, Forestry and Fisheries, 6(1), 26-33. https://doi.org/10.11648/j.aff.20170601.14
ACS Style
Asheri Mwamba Kalala; Nyambilila Abdallah Amuri; Johnson Mashambo Semoka. Optimum Levels of Phosphorus and Potassium for Rice in Lowland Areas of Kilombero District, Tanzania. Agric. For. Fish. 2017, 6(1), 26-33. doi: 10.11648/j.aff.20170601.14
AMA Style
Asheri Mwamba Kalala, Nyambilila Abdallah Amuri, Johnson Mashambo Semoka. Optimum Levels of Phosphorus and Potassium for Rice in Lowland Areas of Kilombero District, Tanzania. Agric For Fish. 2017;6(1):26-33. doi: 10.11648/j.aff.20170601.14
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Download@article{10.11648/j.aff.20170601.14,
author = {Asheri Mwamba Kalala and Nyambilila Abdallah Amuri and Johnson Mashambo Semoka},
title = {Optimum Levels of Phosphorus and Potassium for Rice in Lowland Areas of Kilombero District, Tanzania},
journal = {Agriculture, Forestry and Fisheries},
volume = {6},
number = {1},
pages = {26-33},
doi = {10.11648/j.aff.20170601.14},
url = {https://doi.org/10.11648/j.aff.20170601.14},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20170601.14},
abstract = {The optimal recommended rates of phosphorus (P) and potassium (K) in the Kilombero valley, Tanzania are outdated. The Objective of the study was to establish optimum rates of P and K for improved rice cultivation in rice fields of Kilombero valley. Two on-farm experiments were carried out in two seasons of January to May 2014 and 2015 at Mkula, Mbasa and Kisawasawa sites in Kilombero district, Tanzania. In the first experiment the treatments were a control for P; adequate levels of N and K plus two rates of phosphorus 10 and 20 kg P /ha. In the second experiment the treatments were a control for K; and two rates of K of either 50 or 100 kg/ha. These three treatments each received adequate levels of N, P and Zn. An absolute control and a control for N treatments were included in both of the experiments. The test crop was rice variety SARO-5. Phosphorus application significantly increased grain yield (GY) by 3.26 and 2.01 t/ha at Mbasa and Mkula, respectively. Also P application increased shoot P concentration from a low level (0.12%) to the adequate range (0.19 - 0.24%) at the two sites. Potassium application increased significantly GY by 2.76 and 1.93 t/ha at Mbasa and Mkula, respectively. Also K application increased shoot K concentration from a low range (1.14 - 1.34%) to the adequate range (2.63 - 2.99%) at the two sites. An application of P and K affected neither shoot K nor P concentrations nor GY at Kisawasawa site. It is recommended that 10 kg P/ha and 50 kg K/ha be used as optimum rate for rice production in P and K deficient soils of Kilombero valley.},
year = {2017}
}
TY - JOUR T1 - Optimum Levels of Phosphorus and Potassium for Rice in Lowland Areas of Kilombero District, Tanzania AU - Asheri Mwamba Kalala AU - Nyambilila Abdallah Amuri AU - Johnson Mashambo Semoka Y1 - 2017/02/27 PY - 2017 N1 - https://doi.org/10.11648/j.aff.20170601.14 DO - 10.11648/j.aff.20170601.14 T2 - Agriculture, Forestry and Fisheries JF - Agriculture, Forestry and Fisheries JO - Agriculture, Forestry and Fisheries SP - 26 EP - 33 PB - Science Publishing Group SN - 2328-5648 UR - https://doi.org/10.11648/j.aff.20170601.14 AB - The optimal recommended rates of phosphorus (P) and potassium (K) in the Kilombero valley, Tanzania are outdated. The Objective of the study was to establish optimum rates of P and K for improved rice cultivation in rice fields of Kilombero valley. Two on-farm experiments were carried out in two seasons of January to May 2014 and 2015 at Mkula, Mbasa and Kisawasawa sites in Kilombero district, Tanzania. In the first experiment the treatments were a control for P; adequate levels of N and K plus two rates of phosphorus 10 and 20 kg P /ha. In the second experiment the treatments were a control for K; and two rates of K of either 50 or 100 kg/ha. These three treatments each received adequate levels of N, P and Zn. An absolute control and a control for N treatments were included in both of the experiments. The test crop was rice variety SARO-5. Phosphorus application significantly increased grain yield (GY) by 3.26 and 2.01 t/ha at Mbasa and Mkula, respectively. Also P application increased shoot P concentration from a low level (0.12%) to the adequate range (0.19 - 0.24%) at the two sites. Potassium application increased significantly GY by 2.76 and 1.93 t/ha at Mbasa and Mkula, respectively. Also K application increased shoot K concentration from a low range (1.14 - 1.34%) to the adequate range (2.63 - 2.99%) at the two sites. An application of P and K affected neither shoot K nor P concentrations nor GY at Kisawasawa site. It is recommended that 10 kg P/ha and 50 kg K/ha be used as optimum rate for rice production in P and K deficient soils of Kilombero valley. VL - 6 IS - 1 ER -
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