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Addressing Soil Acidity Challenges: Promoting Tea Production as Alternative Crop in Ethiopia -- Review

Published in Advances (Volume 5, Issue 3)
Received: 31 July 2024     Accepted: 24 August 2024     Published: 6 September 2024
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Abstract

The prevalence of acidic soils in Ethiopia presents a significant obstacle to improving agricultural productivity and restricts the implementation of sustainable farming practices that could enhance food security. Acidic soils are typically defined by their high concentration of hydrogen ions and a lack of essential nutrients, which collectively create an environment that is less conducive to the growth of many vital staple crops. Consequently, farmers faced with these conditions often struggle to achieve optimal yields, which exacerbates food scarcity and undermines economic stability. To effectively combat the issues posed by acidic soils, it is imperative to adopt targeted soil management strategies that are specifically designed to address these challenges. This may include the implementation of soil reclamation techniques that aim to neutralize soil acidity and restore nutrient balance. Additionally, comprehensive initiatives must be undertaken to promote agricultural resilience, which could involve the cultivation of alternative crops that are better suited to thrive in acidic conditions, such as tea. This paper aims to provide a thorough examination of several key aspects related to the development and management of acidic soils in Ethiopia. It will investigate into the processes that contribute to the formation of acid soils, as well as the various types of acid soil present in the country, explore the distribution of acidic soils throughout Ethiopia, highlighting areas that are particularly affected and the implications for local farming practices. Furthermore, the analysis will address the specific impact of soil acidity on crop growth, yield, and quality. It will investigate how soil acidity influences the availability of essential nutrients for plants, thereby affecting the overall health and productivity of crops grown in these conditions. The promotion of tea production in Ethiopia is another critical topic that tea cultivation not only offers a viable alternative crop but also presents opportunities for economic development and diversification in agricultural systems. The mechanisms that confer aluminum resistance in tea plants will be discussed, as well as the ways in which aluminum can stimulate growth in these crops, thereby illustrating the unique resilience of tea plants in acidic environments. By addressing these complex issues holistically, the paper seeks to contribute valuable insights and foster a deeper understanding of how to navigate the challenges posed by acidic soils in the Ethiopian agricultural landscape.

Published in Advances (Volume 5, Issue 3)
DOI 10.11648/j.advances.20240503.11
Page(s) 64-76
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), 2024. Published by Science Publishing Group

Keywords

Acid Soil, Alternative Crop, Al3+, Camellia Sinensis, Mechanisms, Tolerance

References
[1] Kochian, L. V., Hoekenga, O. A., Piñeros, M. A. 2004. How do crop plants tolerate acid soils? Mechanisms of aluminum tolerance and phosphorus efficiency. Annu. Rev. Plant Biol., 55: 459-93.
[2] Adane Buni. 2015. Effects of liming acidic soils on improving soil properties and yield of haricot bean. Journal of Environmental & Analytical Toxicology, 5(1): 1-4.
[3] Sivaguru, M. and Horst, W. 1998. The distal part of the transition zone is the most aluminum-sensitive apical root zone of maize. Plant Physiol., 116: 155-63.
[4] Kamprath E. J. and C. D. Foy. 1985. Lime fertilizer-plant interactions in acid soils. In: O. Englestad (ed), Fertilizer technology and use. 3rd edition. Soil Science Society of America, Madison, Wisconsin, USA.
[5] Rao IM., Zeigler RS., Vera R. and Sarkarung S. 1993. Selection and breeding for acid-soil tolerance in crops. BioSci. 43: 454-465.
[6] Abebe M. 2007. Nature and Management of Acid Soils in Ethiopia. Addis Ababa: Ethiopian Institute of Agricultural Research, Pp1-99.
[7] Konishi, S., Miyamoto, S., and Taki, T. 1985. Stimulatory effects of aluminum on tea plants grown under low and high phosphorus supply. Soil Sci. Plant Nutr. 31: 361-368.
[8] Hajiboland, R., Rad, S. B., Barcelo´, J., Poschenrieder, C. 2013b. Mechanisms of aluminum-induced growth stimulation in tea (Camellia sinensis). J. Plant Nutr. Soil Sci. 176: 616-625.
[9] Food and Agriculture Organization of the United Nations Intergovernmental Group on Tea. 2022. International tea prices: Insights into the nature of price (CCP:TE 22/CRS 2). FAO Committee on Commodity Problems.
[10] Krug EC, Frink CR. 1983. Acid rain on acid soil: a new perspective. Science. 221: 520-525.
[11] Agegnehu Getachew, Tilahun Amede, Teklu Erkossa, Chilot Yirga, Carol Henry, Robert Tyler, Matthew G. Nosworthy, Sheleme Beyene & Gudeta W. Sileshi. 2021. Extent and management of acid soils for sustainable crop production system in the tropical agroecosystems: a review, Acta Agriculturae Scandinavica, Section B Soil & Plant Science,
[12] Goulding K. 2016. Soil acidification and the importance of liming agricultural soils with particular reference to the United Kingdom. Soil Use Manage. 32: 390-399.
[13] Rahman M, Lee S-H, Ji H, Kabir A, Jones C, Lee KW. 2018. Importance of mineral nutrition for mitigating aluminum toxicity in plants on acidic soils: current status and opportunities. Int J Mol Sci. 19: 30-73.
[14] Fageria NK, Nascente AS. 2014. Management of soil acidity of South American soils for sustainable crop production. Adv Agron. 128: 221-275.
[15] Behera SK, Shukla AK. 2015. Spatial distribution of surface soil acidity, electrical conductivity, soil organic carbon content and exchangeable potassium, calcium and magnesium in some cropped acid soils of India. Land Degrad. Dev. 26: 71-79.
[16] Von Uexküll H, Mutert E.1995. Global extent, development and economic impact of acid soils. Plant Soil. 171: 1-15.
[17] Eswaran H, Reich P, Beinroth F. 1997b. Global distribution of soils with acidity. In: Moniz AC, editor. Plant-soil interactions at low pH. Sao Paulo: Brazilian Soil Science Society; p. 159-164.
[18] Vitousek PM, Naylor R, Crews T, David M, Drinkwater L, Holland E, Johnes P, Katzenberger J, Martinelli L, Matson P. 2009. Nutrient imbalances in agricultural development. Science. 324: 1519-1520.
[19] Regassa H, Agegnehu G. 2011. Potentials and limitations of acid soils in the highlands of Ethiopia: a review. In: Mulatu B, Grando S, editor. Barley research and development in Ethiopia. Aleppo, Syria: ICARDA; p. 103-112.
[20] Sanchez PA, Logan TJ. 1992. Myths and science about the chemistry and fertility of soils in the Tropics. In: Lal, R. and Sanchez PA Eds, Myths and Science of Soils of the Tropics, Soil Science Society of America Special Publication No. 29, SSSA-ASA, Madison, pp. 35-46.
[21] Thomas GW, William LH. 1984. The chemistry of soil acidity, soil acidity and liming. Agronomy monograph. Madison, WI: American Society of Agronomy; pp. 3-56.
[22] Brady N, Weil R. 2016. The nature and properties of soils. Columbus: Pearson Education.
[23] Scheffer M, Carpenter S, Foley JA, Folke C, Walker B. 2001. Catastrophic shifts in ecosystems. Nature. 413: 591.
[24] Tully K, Sullivan C, Weil R, Sanchez P. 2015. The state of soil degradation in Sub-Saharan Africa: baselines, trajectories, and solutions. Sustainability. 7: 6523-6552.
[25] Hue N. 1992. Correcting soil acidity of a highly weathered Ultisol with chicken manure and sewage sludge. Commun Soil Sci Plant Anal. 23: 241-264.
[26] Guo JH, Liu XJ, Zhang Y, Shen JL, Han WX, Zhang WF, Christie P, Goulding KWT, Vitousek PM, Zhang FS. 2010. Significant acidification in major Chinese croplands. Science. 327: 1008-1010.
[27] Gebrekidan H, Negassa W. 2006. Impact of land use and management practices on chemical properties of some soils of Bako area, western Ethiopia. Ethiop J Nat Resour. 8: 177-197.
[28] Agoumé V, Birang A. 2009. Impact of land-use systems on some physical and chemical soil properties of an oxisol in the humid forest zone of southern Cameroon. Tropicultura. 27: 15-20.
[29] ATA. 2014. Soil fertility mapping and fertilizer blending. Addis Ababa: Agricultural Transformation Agency (ATA).
[30] Haile H., Asefa S., Regassa A., Demssie W., Kassie K. and Gebrie S. 2017. Extension manual for acid soil management (unpublished report). (ATA), ed., Addis Ababa, Ethiopia.
[31] Barber S. A. 1984. Liming materials and practices. In Soil Acidity and Liming (F. Adams, Ed.), 2nd Ed. pp. 171-209. ASA-CSSASSSA, Madison, Wisconsin.
[32] Afework Legesse, Ewnetu Teshale. 2020. Breeding Crops for Tolerance to Acidic Soils in Ethiopia: A Review”, International Journal of Research Studies in Science, Engineering and Technology 7(9): 1- 10.
[33] Somani L. 1996. Crop production in acid soils, 1st edition/Ed. Agrotech Publishing Academy, New Delhi.
[34] Marschner H. 2011. “Marschner‟s mineral nutrition of higher plants,” Academic press.
[35] Fageria N, Baligar V. 2008. Ameliorating soil acidity of tropical oxisols by liming for sustainable crop production. Adv Agron. 99: 345-399.
[36] Baquy M, Li JY, Xu CY, Mehmood K, Xu RK. 2017. Determination of critical pH and Al concentration of acidic Ultisols for wheat and canola crops. Solid Earth. 8: 149-159.
[37] Fox R. 1979. Soil pH, aluminum saturation, and corn grain yield. Soil Sci. 127: 330-334.
[38] Haynes R, Mokolobate M. 2001. Amelioration of Al toxicity and P deficiency in acid soils by additions of organic residues: a critical review of the phenomenon and the mechanisms involved. Nutri Cycl Agroecosyst. 59: 47-63.
[39] Syers JK, Johnston AE, Curtin D. 2008. Efficiency of soil and fertilizer phosphorus use: reconciling changing concepts of soil phosphorus behaviour with agronomic information, FAO fertilizer and plant nutrition bulletin 18. Rome: FAO; p. 123.
[40] Mesdag J, Slootmaker L, Post J. 1970. Linkage between tolerance to high soil acidity and genetically high protein content in the kernel of wheat, Triticum aestivum L. and its possible use in breeding. Euphytica. 19: 163-174.
[41] Halimi ES. 2011. Development of acid-soil tolerant corn (Zea mays L.) with high-quality protein. Agrivita. 33: 127-132.
[42] Ginting E, Yulifianti R, Kuswantoro H, Lee BW, Baek IY. 2018. Protein, fatty acids, and isoflavone contents of soybean lines tolerant to acid soil. J Korean Soc Int Agric. 3: 1-10.
[43] Sertsu S, Ali A. 1983. Phosphorus sorption characteristics of some Ethiopian soils. Ethiop J Agric Sci. 5: 1-12.
[44] Duffera M, Robarge WP. 1999. Soil characteristics and management effects on phosphorus sorption by highland plateau soils of Ethiopia. Soil Sci Soc Am J. 63: 1455-1462.
[45] Agegnehu G, Sommer K. 2000. Optimization of the efficiency of phosphate fertilizers in acidic-ferralitic soils of the humid tropics. Ethiop J Nat Resour. 2: 63-77.
[46] Kunito T, Isomura I, Sumi H, Park H-D, Toda H, Otsuka S, Nagaoka K, Saeki K, Senoo K. 2016. Aluminum and acidity suppress microbial activity and biomass in acidic forest soils. Soil Biol Biochem. 97: 23-30.
[47] Ma JF, Ryan PR, Delhaize E. 2001. Aluminium tolerance in plants and the complexing role of organic acids. Trends Plant Sci. 6: 273–278.
[48] Kochian L. V., Hoekenga O. A., and Pineros M. A. 2004. How do crop plants tolerate acid soils? Mechanisms of aluminum tolerance and phosphorous efciency. Annu. Rev. Plant Biol. 55, 459-493.
[49] Tandzi NL, Mutengwa C, Ngonkeu E, Gracen V. 2018. Breeding maize for tolerance to acidic soils: A review. Agronomy. 8: 84.
[50] Ana Luisa Garcia-Oliveira, Subhash Chander, Juan Barcelo, Charlotte Poschenrieder. 2016. Aluminium Stress in Crop Plants International Institute of Tropical Agriculture (IITA), 22p.
[51] EIAR. 2017. National Tea Commodity Research Strategy; Ethiopian Agricultural Transformation Agency; 2016-2030, Addis Abeba.
[52] Worldwide Statistica Consumer Market, 2023. Volume of tea consumption worldwide (2012-2023).
[53] Li, X. F., Ma, J. F., and Matsumoto, H. 2000. Pattern of aluminum- induced secretion of organic acids differs between rye and wheat. Plant Physiol. 123: 1537-1543.
[54] Yang, J. L., Zheng, S. J., He, Y. F., Tang, C. X., and Zhou, G. D. 2005. Genotypic differences among plant species in response to aluminum stress. J. Plant Nutr. 28: 949-961.
[55] Fung, K. F., Carr, H. P., Zhang, J., and Wong, M. H. 2008. Growth and nutrient uptake of tea under different aluminium concentrations. J. Sci. Food Agric. 88: 1582-1591.
[56] Morita, A., Yanagisawa, O., Takatsu, S., Maeda, S., and Hiradate, S. 2008. Mechanism for the detoxification of aluminum in roots of tea plant (Camellia sinensis (L.) Kuntze). Phytochemistry 69: 147-153.
[57] Chen, Y. M., Tsao, T. M., Liu, C. C., Lin, K. C., Wang, M. K. 2011. Aluminium and nutrients induce changes in the profiles of phenolic substances in tea plants (Camellia sinensis CV TTES, No. 12 (TTE)). J. Sci. Food Agric. 91: 1111-1117.
[58] Xu, Q., Wang, Y., Ding, Z., Song, L., Li, Y., Ma, D., Wang, Y., Shen, J., Jia, S., Sun, H. 2016. Aluminum induced metabolic responses in two tea cultivars. Plant Physiol. Biochem. 101: 162-172.
[59] Matsumoto H, Hirasawa E, Morimura S, Takahashi E. 1976. Localization of aluminum in tea leaves. Plant and Cell Physiology 7: 627-31.
[60] Osaki, M., Watanabe, T., and Tadano, T.1997. Beneficial effect of aluminum on growth of plants adapted to low pH soils. Soil Sci. Plant Nutr. 43: 551-563.
[61] Tsuji, M., Kuboi, T., and Konishi, S., 1994. Stimulatory effects of aluminum on the growth of cultured roots of tea. Soil Sci. Plant Nutr. 40: 471-476.
[62] Ghanati, F., Morita, A., and Yokota, H. 2005. Effects of aluminum on the growth of tea plant and activation of antioxidant system. Plant Soil 276: 133-141.
[63] Chamuah, G. S. 1988. The effect of nitrogen on root growth and nutrient uptake of young tea plants (Camellia sinensis L.) grown in sand culture. Fertil. Res. 16: 59-65.
[64] Yamaji, N., Huang, C. F., Nagao, S., Yano, M., Sato, Y., Nagamura, Y., and Ma, J. F. 2009. A zince finger transcription factor ART1 regulates multiple genes implicated in aluminum tolerance in rice. Plant Cell 21: 3339-3349.
[65] Xia, J., Yamaji, N., Kasai, T., and Ma, J. F. 2010. Plasma membranelocalized transporter for aluminum in rice. Proc. Natl. Acad. Sci. USA 107: 18381-18385.
[66] Delhaize, E., Ryan, P. R., Hebb, D. M., Yamamoto, Y., Sasaki, T., and Matsumoto, H. 2004. Engineering high-level aluminum tolerance in barley with the ALMT1 gene. Proc. Natl. Acad. Sci. U S A 101: 15249-15254.
[67] Gallego, F. J., and Benito, C. 1997. Genetic control of aluminium tolerance in rye (Secale cereal L.). Theor. Appl. Genet. 95: 393-399.
[68] Kinraider, T. B., and Parker, D. R. 1987. Cation almelioration of aluminum toxicity in wheat. Plant Physiol. 83: 546-551.
[69] Sasaki, T., Yamamoto, Y., Ezaki, B., Katsuhara, M., Ahn, S. J., Ryan, P. R., Delhaize, E., and Matsumoto, H. 2004. A wheat gene encoding an aluminum-activated malate transporter. Plant J. 37: 645-653.
[70] Caniato, F. F., Guimara˜ es, C. T., Schaffert, R. E., Alves, V. M. C., Kochian, L. V., Bore´ m, A., Klein, P. E., and Magalhaes, J. V. 2007. Genetic diversity for aluminum tolerance in sorghum. Theor. Appl. Genet. 114: 863-876.
[71] Pellet, D. M., Grunes, D. L., and Kochian, L. V. 1995. Organic acid exudation as an aluminum-tolerance mechanism in maize (Zea mays L.). Planta 196: 788-795.
[72] Zheng, S. J., Yang, J. L., He, Y. F., Yu, X. H., Zhang, L., You, J. F., Shen, R. F., and Matsumoto, H. 2005. Immobilization of aluminum with phosphorus in roots is associated with high aluminum resistance in buckwheat. Plant Physiol. 138: 297-303.
[73] Simon, L., Smalley, T. J., Benton Jones, J., Jr., Lasseigne, F. T. 1994. Aluminum toxicity in tomato. Part 1. Growth and mineral nutrition. J. Plant Nutr., 17, 293-306.
[74] Fan, W., Lou, H. Q., Gong, Y. L., Liu, M. Y., Wang, Z. Q., Yang, J. L., Zheng, S. J. 2014. Identification of early Al-responsive genes in rice bean (Vigna umbellata) roots provides new clues to molecular mechanisms of Al toxicity and tolerance. Plant Cell Environ. 37: 1586-1597.
[75] Noble, A. D., Fey, M. V., Sumner, M. E. 1988. Calcium-aluminum balance and the growth of soybean roots in nutrient solutions. Soil Sci. Soc. America J. 52: 1651-1656.
[76] Wang, Y., Xu, H., and Kou, J. 2013. Dual effects of transgenic Brassica napus overexpressing CS gene on tolerances to aluminum toxicity and phosphorus deficiency. Plant Soil 362: 231-246.
[77] Grisel, N., Zoller, S., Kunzli-Gontarczyk, M., Lampart, T., € Munsterk € otter, M., Brunner, I., Bovet, L., Me € ´traux, J.-P., and Sperisen, C. 2010. Transcriptome responses to aluminum stress in roots of aspen (Populus tremula). BMC Plant Biol. 10: 185.
[78] Sucoff, E., Thornton, F. C., and Joslin, J. D. 1990. Sensitivity of tree seedlings to aluminum: I. Honeylocust. J. Environ. Qual. 19: 163-171.
[79] Kelly, J. M., Schaedle, M., Thornton, F. C., and Joslin, J. D. 1990. Sensitivity of tree seedlings to aluminum: II. Red oak, sugar maple, and European beech. J. Environ. Qual. 19: 172-179.
[80] Raynal, D. J., Joslin, J. D., Thornton, F. C., Schaedle, M., and Henderson, G. S. 1990. Sensitivity of tree seedlings to aluminum: III. Red spruce and loblolly pine. J. Environ. Qual. 19: 180-187.
[81] Sun, L., Zhang, M., Liu, X., Mao, Z., Shi, C., Kochian, L. V., and Liao, H. 2020. Aluminium is essential for root growth and development of tea plants (Camellia sinensis). J. Integr. Plant Biol. 62: 984-997.
[82] Ding Z. J., Shi Y. Z., Li G. X., Harberd N. P., and Zheng S. J. 2021. Tease out the future: How tea research might enable crop breeding for acid soil tolerance. Plant Comm. 2, 100182.
[83] Liu, J. P., Piñeros, M. A. and Kochian, L. V. 2014. The role of aluminium sensing and signalling in plant aluminium resistance. J. Integr. Plant Biol., 56: 221-230.
[84] Kochian LV, Piñeros MA, Liu J, Magalhaes JV. 2015. Plant adaptation to acid soils: the molecular basis for crop aluminum resistance. Annual Review of Plant Biology 66: 571-98.
[85] Zhang X, Liu L, Luo S, Ye X, Wen W. 2023. Research advances in aluminum tolerance and accumulation in tea plant (Camellia sinensis). Beverage Plant Research 3: 18: 1-11.
[86] Bojo´ rquez-Quintal, E., Escalante-Magan˜ a, C., Echevarrı´a-Machado, I., and Martı´nez-Este´ vez, M. 2017. Aluminum, a friend or foe of higher plants in acid soils. Front. Plant Sci. 8: 1767.
[87] Nagata, T., Hayatsu, M., and Kosuge, N. 1992. Identification of aluminium forms in tea leaves by Al NMR. Phytochemistry 31: 1215-1218.
[88] Worth, C. C. T., Wießler, M., and Schmitz, O. J. 2000. Analysis of catechins and caffeine in tea extracts by micellar electrokinetic chromatography. Electrophoresis 21: 3634-3638.
[89] Morita, A., Yanagisawa, O., Maeda, S., Takatsu, S., Ikka, T. 2011. Tea plant (Camellia sinensis L.) roots secrete oxalic acid and caffeine into medium containing aluminum. Soil Sci. Plant Nutr. 57: 796-802.
[90] Morita, A., Horie, H., Fujii, Y., Takatsu, S., Watanabe, N., Yagi, A., Yokota, H. 2004. Chemical forms of aluminum in xylem sap of tea plants (Camellia sinensis L.). Phytochemistry 65: 2775-2780.
[91] Gao, H.-J., Zhao, Q., Zhang, X.-C., Wan, X.-C., Mao, J.-D. 2014. Localization of fluoride and aluminum in subcellular fractions of tea leaves and roots. J. Agric. Food Chem. 62: 2313-2319.
[92] Hajiboland, R., and Poschenrieder, C. 2015. Localization and compartmentation of Al in the leaves and roots of tea plants. Phyton 84: 86-100.
[93] Konishi, S. 1990. Stimulatory effects of aluminum on tea plant growth. In Trans. 14th Lnt. Congr. Soil Sci. Vol. IV (Kyoto: International Society of oil Science), pp. 164-169.
[94] Yokota, H., Takamura, I., Ishikawa, F., Ohta, M., Konishi, S. 1997. Stimulatory effect of aluminum on the growth of tea pollen tubes. Soil Sci. Plant Nutr. 43: 457-461.
[95] Hajiboland, R., Barcelo´, J., Poschenrieder, C., and Tolra`, R. 2013a. Amelioration of iron toxicity: a mechanism for aluminum-induced growth stimulation in tea plants. J. Inorg. Biochem. 128: 183-187.
[96] Li, C., Xu, H., Xu, J., Chun, X., and Ni, D. 2011. Effects of aluminium on ultrastructure and antioxidant activity in leaves of tea plant. Acta Physiol. Plant. 33: 973-978.
[97] Ulrich, B., Mayer, R., and Khanna, P. K. 1980. Chemical changes due to acid precipitation in a loess-derived soil in Central Europe. Soil Sci. 130: 1993-1999.
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    Shehasen, M. Z. (2024). Addressing Soil Acidity Challenges: Promoting Tea Production as Alternative Crop in Ethiopia -- Review. Advances, 5(3), 64-76. https://doi.org/10.11648/j.advances.20240503.11

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    Shehasen, M. Z. Addressing Soil Acidity Challenges: Promoting Tea Production as Alternative Crop in Ethiopia -- Review. Advances. 2024, 5(3), 64-76. doi: 10.11648/j.advances.20240503.11

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    Shehasen MZ. Addressing Soil Acidity Challenges: Promoting Tea Production as Alternative Crop in Ethiopia -- Review. Advances. 2024;5(3):64-76. doi: 10.11648/j.advances.20240503.11

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  • @article{10.11648/j.advances.20240503.11,
      author = {Mohammedsani Zakir Shehasen},
      title = {Addressing Soil Acidity Challenges: Promoting Tea Production as Alternative Crop in Ethiopia -- Review
    },
      journal = {Advances},
      volume = {5},
      number = {3},
      pages = {64-76},
      doi = {10.11648/j.advances.20240503.11},
      url = {https://doi.org/10.11648/j.advances.20240503.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.advances.20240503.11},
      abstract = {The prevalence of acidic soils in Ethiopia presents a significant obstacle to improving agricultural productivity and restricts the implementation of sustainable farming practices that could enhance food security. Acidic soils are typically defined by their high concentration of hydrogen ions and a lack of essential nutrients, which collectively create an environment that is less conducive to the growth of many vital staple crops. Consequently, farmers faced with these conditions often struggle to achieve optimal yields, which exacerbates food scarcity and undermines economic stability. To effectively combat the issues posed by acidic soils, it is imperative to adopt targeted soil management strategies that are specifically designed to address these challenges. This may include the implementation of soil reclamation techniques that aim to neutralize soil acidity and restore nutrient balance. Additionally, comprehensive initiatives must be undertaken to promote agricultural resilience, which could involve the cultivation of alternative crops that are better suited to thrive in acidic conditions, such as tea. This paper aims to provide a thorough examination of several key aspects related to the development and management of acidic soils in Ethiopia. It will investigate into the processes that contribute to the formation of acid soils, as well as the various types of acid soil present in the country, explore the distribution of acidic soils throughout Ethiopia, highlighting areas that are particularly affected and the implications for local farming practices. Furthermore, the analysis will address the specific impact of soil acidity on crop growth, yield, and quality. It will investigate how soil acidity influences the availability of essential nutrients for plants, thereby affecting the overall health and productivity of crops grown in these conditions. The promotion of tea production in Ethiopia is another critical topic that tea cultivation not only offers a viable alternative crop but also presents opportunities for economic development and diversification in agricultural systems. The mechanisms that confer aluminum resistance in tea plants will be discussed, as well as the ways in which aluminum can stimulate growth in these crops, thereby illustrating the unique resilience of tea plants in acidic environments. By addressing these complex issues holistically, the paper seeks to contribute valuable insights and foster a deeper understanding of how to navigate the challenges posed by acidic soils in the Ethiopian agricultural landscape.
    },
     year = {2024}
    }
    

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    T1  - Addressing Soil Acidity Challenges: Promoting Tea Production as Alternative Crop in Ethiopia -- Review
    
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    AB  - The prevalence of acidic soils in Ethiopia presents a significant obstacle to improving agricultural productivity and restricts the implementation of sustainable farming practices that could enhance food security. Acidic soils are typically defined by their high concentration of hydrogen ions and a lack of essential nutrients, which collectively create an environment that is less conducive to the growth of many vital staple crops. Consequently, farmers faced with these conditions often struggle to achieve optimal yields, which exacerbates food scarcity and undermines economic stability. To effectively combat the issues posed by acidic soils, it is imperative to adopt targeted soil management strategies that are specifically designed to address these challenges. This may include the implementation of soil reclamation techniques that aim to neutralize soil acidity and restore nutrient balance. Additionally, comprehensive initiatives must be undertaken to promote agricultural resilience, which could involve the cultivation of alternative crops that are better suited to thrive in acidic conditions, such as tea. This paper aims to provide a thorough examination of several key aspects related to the development and management of acidic soils in Ethiopia. It will investigate into the processes that contribute to the formation of acid soils, as well as the various types of acid soil present in the country, explore the distribution of acidic soils throughout Ethiopia, highlighting areas that are particularly affected and the implications for local farming practices. Furthermore, the analysis will address the specific impact of soil acidity on crop growth, yield, and quality. It will investigate how soil acidity influences the availability of essential nutrients for plants, thereby affecting the overall health and productivity of crops grown in these conditions. The promotion of tea production in Ethiopia is another critical topic that tea cultivation not only offers a viable alternative crop but also presents opportunities for economic development and diversification in agricultural systems. The mechanisms that confer aluminum resistance in tea plants will be discussed, as well as the ways in which aluminum can stimulate growth in these crops, thereby illustrating the unique resilience of tea plants in acidic environments. By addressing these complex issues holistically, the paper seeks to contribute valuable insights and foster a deeper understanding of how to navigate the challenges posed by acidic soils in the Ethiopian agricultural landscape.
    
    VL  - 5
    IS  - 3
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