DOI: 10.3390/agriculture10030059
论文题名: Responses of yield and protein composition of wheat to climate change
作者: Nsafon B.E.K. ; Lee S.-C. ; Huh J.-S.
刊名: Agriculture (Switzerland)
ISSN: 20770472
出版年: 2020
卷: 10, 期: 3 语种: 英语
英文关键词: Climate change
; Nutrient
; Soil moisture content
; Temperature
; Wheat
; Yield
英文摘要: 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 18oC, with minimum temperature (Tmin) and maximum temperature (Tmax) of-6oC and 42oC respectively. However, application of inorganic fertilizer to wheat enhanced amino acid accumulation when the average daily temperature was at 8oC, with Tmin and Tmax of-10oC and 26oC 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. © 2020 by the authors. Licensee MDPI, Basel, Switzerland. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/158891
Appears in Collections: 气候变化与战略
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作者单位: Department of Climate Change, College of Engineering, Kyungpook National University, Daegu, 41566, South Korea; College of Agriculture and Life Sciences, School of Applied Biosciences, Kyungpook National University, Daegu, 41566, South Korea
Recommended Citation:
Nsafon B.E.K.,Lee S.-C.,Huh J.-S.. Responses of yield and protein composition of wheat to climate change[J]. Agriculture (Switzerland),2020-01-01,10(3)