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Responses of Yield and Protein Composition of Wheat to Climate Change

Author

Listed:
  • Benyoh Emmanuel Kigha Nsafon

    (Department of Climate Change, College of Engineering, Kyungpook National University, 41566 Daegu, Korea)

  • Sang-Chul Lee

    (College of Agriculture and Life Sciences, School of Applied Biosciences, Kyungpook National University, 41566 Daegu, Korea)

  • Jeung-Soo Huh

    (Department of Climate Change, College of Engineering, Kyungpook National University, 41566 Daegu, Korea)

Abstract

Global wheat demand is expected to continue to increase due to the projected increase in the World’s population but regrettably, wheat yield is expected to decrease due to the progressively changing climate. Although the effects of temperature, soil moisture and nutrient absorption on the yield of wheat have been studied extensively to address the threats posed by climate change on food security, the combined effects of these factors have been studied to a lesser extent. This study thus aims to investigate the interactive effects of different regimes of fertilizer and soil moisture on the yield and amino acid composition of wheat. Twelve treatments under different regimens of soil moisture and fertilizer, replicated ten times in a randomized block design were considered in the greenhouse and in the field. The study reveals that variation in each factor had a significant effect on wheat but soil moisture was the principal factor controlling yield and protein accumulation. Application of organic fertilizer to wheat increased amino acid accumulation when the average temperature was at 18 °C, with minimum temperature ( T min) and maximum temperature ( T max) of −6 °C and 42 °C respectively. However, application of inorganic fertilizer to wheat enhanced amino acid accumulation when the average daily temperature was at 8 °C, with T min and T max of −10 °C and 26 °C respectively. Our results also show that a decrease in soil moisture from 100% to 30% in the greenhouse improved the quantity of amino acid in the grain by 26.4% and 56.8% for organic and inorganic treatments respectively. Also, grain amino acid concentration increased by 16.6% and 4.76% when soil moisture dropped from 100% to 30% for the organic and inorganic treatments in the field respectively.

Suggested Citation

  • Benyoh Emmanuel Kigha Nsafon & Sang-Chul Lee & Jeung-Soo Huh, 2020. "Responses of Yield and Protein Composition of Wheat to Climate Change," Agriculture, MDPI, vol. 10(3), pages 1-13, March.
    • Handle: RePEc:gam:jagris:v:10:y:2020:i:3:p:59-:d:327322
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    References listed on IDEAS

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    1. Huang, Mingbin & Dang, Tinghui & Gallichand, Jacques & Goulet, Monique, 2003. "Effect of increased fertilizer applications to wheat crop on soil-water depletion in the Loess Plateau, China," Agricultural Water Management, Elsevier, vol. 58(3), pages 267-278, February.
    2. Xue Wang & Xiubin Li, 2018. "Irrigation Water Availability and Winter Wheat Abandonment in the North China Plain (NCP): Findings from a Case Study in Cangxian County of Hebei Province," Sustainability, MDPI, vol. 10(2), pages 1-16, January.
    3. Dengpan Xiao & Huizi Bai & De Li Liu, 2018. "Impact of Future Climate Change on Wheat Production: A Simulated Case for China’s Wheat System," Sustainability, MDPI, vol. 10(4), pages 1-15, April.
    4. Dim Coumou & Stefan Rahmstorf, 2012. "A decade of weather extremes," Nature Climate Change, Nature, vol. 2(7), pages 491-496, July.
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    Cited by:

    1. Harris D. Ledvinka & Mehdi Toghyani & Daniel K. Y. Tan & Ali Khoddami & Ian D. Godwin & Sonia Y. Liu, 2022. "The Impact of Drought, Heat and Elevated Carbon Dioxide Levels on Feed Grain Quality for Poultry Production," Agriculture, MDPI, vol. 12(11), pages 1-16, November.
    2. Tinghui Wu & Jian Yu & Jingxia Lu & Xiuguo Zou & Wentian Zhang, 2020. "Research on Inversion Model of Cultivated Soil Moisture Content Based on Hyperspectral Imaging Analysis," Agriculture, MDPI, vol. 10(7), pages 1-14, July.
    3. Zhilu Sun & Teng Fu, 2022. "The Evolutionary Trends and Convergence of Cereal Yield in Europe and Central Asia," Agriculture, MDPI, vol. 12(7), pages 1-18, July.

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