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An Assessment of Input Cost At Different Stages of Rice Growth and Its Effect on Production Cost on Cobb-Douglas Function in Cambodia

Received: 7 December 2021    Accepted: 21 December 2021    Published: 31 December 2021
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Abstract

The data analyzed in this study was obtained through a household survey from the three provinces in Cambodia. The sampling was done through which 540 farmer households were randomly selected. It applied Cobb-Douglas cost to examine the effect of input cost in different stages of rice growth on the total production cost. The result reveals that dry paddy, a 1% increase in the cost of the seedling stage would increase the rice production cost by approximately 25%. A 1% increase in input cost of jointing and booting stages would increase rice cost to 15%. And a 1% increase in farm size would increase output cost by roughly 17%. It means that the percentage change of the input cost of dry paddy would change output cost by 1%. In wet paddy, a 1% increase in input cost of the tillering stage would increase the rice cost by 28%. A 1% input cost of popular and milk stages would affect the output cost to approximately around 24%. A 1% increase in income off-farm jobs would increase rice costs by 11%. The elements of cost inputs of rice growth stages include fertilizer, pesticides, herbicides, irrigation, hired labor; land preparation and transportation stand out as the most crucial factors to contribute to the increment of cost output in wet paddy. These findings have a significant impact on how to boost rice production in Cambodia. Farmers are likely to benefit the most from improved agricultural productivity and technology. The study emphasizes that Cambodian farmers need to focus on agriculture to achieve increased rice production and poverty reduction in rural areas. As most of Cambodia includes poor people who live in rural areas and depend on agriculture, high agricultural growth will provide food security by increasing supply, reducing prices, and increasing households’ income.

Published in American Journal of Agriculture and Forestry (Volume 9, Issue 6)
DOI 10.11648/j.ajaf.20210906.21
Page(s) 424-430
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

Cost Production Function, Rice Production Cost, Cambodia

References
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[2] AusAid and World Bank. 2012. Turning Cambodian Rice into White Gold. Washington, DC. https://openknowledge.worldbank.org/bitstream/handle/10986/22533/Cambodia000Ric0rice0into0white0gold.pdf? Sequence=1&isAllowed=y.
[3] Bansok, R., Chhun, C., and Phirun, N., (2011). Agricultural Development and Climate Change: The Case of Cambodia. Cambodia Development Research Institute (CDRI).
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[5] CAVAC (2016). Farmers' Behavior on Using Rice Seed in Cambodia. Phnom Penh: Cambodian Agriculture Value Chain Program (CAVAC).
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[7] CDRI (2011). Irrigation Water Productivity in Cambodian Rice Systems. 8. CEDAC (2009). Inventory of irrigation schemes and farmer water user committees in Cambodia. Case study: Situation within 13 out of 24 provinces. CEDAC Farmer and Water Program.
[8] Dary P., Sokcheng S., and Pirom K., 2017. Synergies and Trade-offs with Intensification of Rice and Livestock Production in Cambodia. Special Report 16-June, 2017 of CDRI.
[9] Hossain, M., and Majumder, A. K., (2015). On the measurement of efficiency of Cobb-Douglas production function with additive and multiplicative errors. Vol. 3, March 2015, pp 96-104.
[10] Hossain, M. Z., and Amri, K. A., (2010). Use of the Cobb-Douglas production model on some selected manufacturing industries in Oman.
[11] Jermy, T. F., and Smeets, V., (2011). Does input quality drive measure differences in firm productivity? International Economic Review. Vol. 52, No. 4.
[12] Khai, H. V., and Yabe, M., (2011). Technical efficiency of rice production in Vietnam.
[13] Koirala, K. H., Mishra, A. K., and Mohanty, S., (2014). Determinates of rice productivity and technical efficiency in the Philippines. Paper prepared for presentation at the Southern Agricultural Economics Association (SAEA) Annual Meeting, Dallas, TX, and February 1-4, 2014.
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[18] Qian, L., Zhibin, W., Jiuping, X., (2010). A new production function with technological innovation factor and its application to the analysis of energy-saving effect in LSD. World Journal of Modeling and Simulation Vol. No. 4, pp. 257-266.
[19] Rido, T. (2014). Factors affecting the cost efficiency of Cambodian rice farming households. Forum of international development studies. ISSN 1341-3732.
[20] Smith, D. and Hornbuckle, J., (20130). A Review of rice productivities in Cambodia and water measurement using direct and indirect methods on a dry season rice crop Technical Report to ACIAR, Canberra, CSIRO Sustainable Agriculture Flagship, Australia.
[21] Sokvibol, K., Li, H., and Linvolak, P., (2016). An analysis of technical efficiency for household rice production in Cambodia: A case study of three districts in Battambang province. Global journal of human-social science: E (economics) 2016, 16, 33-44.
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[23] Theng V., Pirom K., and Dary P, (2014). Development of the Fertiliser Industry in Cambodia: Structure of the Market, Challenges in the Demand and Supply Sides, and the Way Forward.
[24] Tun, Y., and Kang H. J., (2015). An analysis of the factors affecting rice production efficiency in Myanmar. Journal of East Asian Economic Integration Vol. 19. No. 2 (Jun 2015).
[25] World Bank (2015). Cambodian Agriculture in Transition: Opportunities and Risks.
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Cite This Article
  • APA Style

    Sar Sary, Bun Phearin, Sarin Sereyvatha, Sar Saren, Srey Sophyn, et al. (2021). An Assessment of Input Cost At Different Stages of Rice Growth and Its Effect on Production Cost on Cobb-Douglas Function in Cambodia. American Journal of Agriculture and Forestry, 9(6), 424-430. https://doi.org/10.11648/j.ajaf.20210906.21

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    ACS Style

    Sar Sary; Bun Phearin; Sarin Sereyvatha; Sar Saren; Srey Sophyn, et al. An Assessment of Input Cost At Different Stages of Rice Growth and Its Effect on Production Cost on Cobb-Douglas Function in Cambodia. Am. J. Agric. For. 2021, 9(6), 424-430. doi: 10.11648/j.ajaf.20210906.21

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    AMA Style

    Sar Sary, Bun Phearin, Sarin Sereyvatha, Sar Saren, Srey Sophyn, et al. An Assessment of Input Cost At Different Stages of Rice Growth and Its Effect on Production Cost on Cobb-Douglas Function in Cambodia. Am J Agric For. 2021;9(6):424-430. doi: 10.11648/j.ajaf.20210906.21

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  • @article{10.11648/j.ajaf.20210906.21,
      author = {Sar Sary and Bun Phearin and Sarin Sereyvatha and Sar Saren and Srey Sophyn and Muyobozi Sikalubya},
      title = {An Assessment of Input Cost At Different Stages of Rice Growth and Its Effect on Production Cost on Cobb-Douglas Function in Cambodia},
      journal = {American Journal of Agriculture and Forestry},
      volume = {9},
      number = {6},
      pages = {424-430},
      doi = {10.11648/j.ajaf.20210906.21},
      url = {https://doi.org/10.11648/j.ajaf.20210906.21},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajaf.20210906.21},
      abstract = {The data analyzed in this study was obtained through a household survey from the three provinces in Cambodia. The sampling was done through which 540 farmer households were randomly selected. It applied Cobb-Douglas cost to examine the effect of input cost in different stages of rice growth on the total production cost. The result reveals that dry paddy, a 1% increase in the cost of the seedling stage would increase the rice production cost by approximately 25%. A 1% increase in input cost of jointing and booting stages would increase rice cost to 15%. And a 1% increase in farm size would increase output cost by roughly 17%. It means that the percentage change of the input cost of dry paddy would change output cost by 1%. In wet paddy, a 1% increase in input cost of the tillering stage would increase the rice cost by 28%. A 1% input cost of popular and milk stages would affect the output cost to approximately around 24%. A 1% increase in income off-farm jobs would increase rice costs by 11%. The elements of cost inputs of rice growth stages include fertilizer, pesticides, herbicides, irrigation, hired labor; land preparation and transportation stand out as the most crucial factors to contribute to the increment of cost output in wet paddy. These findings have a significant impact on how to boost rice production in Cambodia. Farmers are likely to benefit the most from improved agricultural productivity and technology. The study emphasizes that Cambodian farmers need to focus on agriculture to achieve increased rice production and poverty reduction in rural areas. As most of Cambodia includes poor people who live in rural areas and depend on agriculture, high agricultural growth will provide food security by increasing supply, reducing prices, and increasing households’ income.},
     year = {2021}
    }
    

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  • TY  - JOUR
    T1  - An Assessment of Input Cost At Different Stages of Rice Growth and Its Effect on Production Cost on Cobb-Douglas Function in Cambodia
    AU  - Sar Sary
    AU  - Bun Phearin
    AU  - Sarin Sereyvatha
    AU  - Sar Saren
    AU  - Srey Sophyn
    AU  - Muyobozi Sikalubya
    Y1  - 2021/12/31
    PY  - 2021
    N1  - https://doi.org/10.11648/j.ajaf.20210906.21
    DO  - 10.11648/j.ajaf.20210906.21
    T2  - American Journal of Agriculture and Forestry
    JF  - American Journal of Agriculture and Forestry
    JO  - American Journal of Agriculture and Forestry
    SP  - 424
    EP  - 430
    PB  - Science Publishing Group
    SN  - 2330-8591
    UR  - https://doi.org/10.11648/j.ajaf.20210906.21
    AB  - The data analyzed in this study was obtained through a household survey from the three provinces in Cambodia. The sampling was done through which 540 farmer households were randomly selected. It applied Cobb-Douglas cost to examine the effect of input cost in different stages of rice growth on the total production cost. The result reveals that dry paddy, a 1% increase in the cost of the seedling stage would increase the rice production cost by approximately 25%. A 1% increase in input cost of jointing and booting stages would increase rice cost to 15%. And a 1% increase in farm size would increase output cost by roughly 17%. It means that the percentage change of the input cost of dry paddy would change output cost by 1%. In wet paddy, a 1% increase in input cost of the tillering stage would increase the rice cost by 28%. A 1% input cost of popular and milk stages would affect the output cost to approximately around 24%. A 1% increase in income off-farm jobs would increase rice costs by 11%. The elements of cost inputs of rice growth stages include fertilizer, pesticides, herbicides, irrigation, hired labor; land preparation and transportation stand out as the most crucial factors to contribute to the increment of cost output in wet paddy. These findings have a significant impact on how to boost rice production in Cambodia. Farmers are likely to benefit the most from improved agricultural productivity and technology. The study emphasizes that Cambodian farmers need to focus on agriculture to achieve increased rice production and poverty reduction in rural areas. As most of Cambodia includes poor people who live in rural areas and depend on agriculture, high agricultural growth will provide food security by increasing supply, reducing prices, and increasing households’ income.
    VL  - 9
    IS  - 6
    ER  - 

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Author Information
  • Research and Development Technology Canter, National Polytechnic Institute, Ministry of Labour and Vocational Training, Phnom Penh, Cambodia

  • Research and Development Technology Canter, National Polytechnic Institute, Ministry of Labour and Vocational Training, Phnom Penh, Cambodia

  • Research and Development Technology Canter, National Polytechnic Institute, Ministry of Labour and Vocational Training, Phnom Penh, Cambodia

  • Ministry of Agriculture, Forestry and Fisheries, Phnom Penh, Cambodia

  • Research and Development Technology Canter, National Polytechnic Institute, Ministry of Labour and Vocational Training, Phnom Penh, Cambodia

  • Chinese Academy of Agricultural Science, Beijing, China

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