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Climatic influence on corn sowing date in the Midwestern United States

Title
Climatic influence on corn sowing date in the Midwestern United States
Authors
Choi, Yong-SangGim, Hyeon-JuHo, Chang-HoiJeong, Su-JongPark, Seon KiHayes, Michael J.
Ewha Authors
박선기최용상
SCOPUS Author ID
박선기scopus; 최용상scopus
Issue Date
2017
Journal Title
INTERNATIONAL JOURNAL OF CLIMATOLOGY
ISSN
0899-8418JCR Link1097-0088JCR Link
Citation
vol. 37, no. 3, pp. 1595 - 1602
Keywords
corn (maize)sowing dateclimatic influencethe Midwestern United Sates
Publisher
WILEY
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
This study investigated the climatic influence on the corn sowing date in the Midwestern United States by comparing the survey data of corn cultivation with meteorological records in nine states for the last 36years (1979-2014). The results show that the year-to-year changes in the sowing date were significantly affected by springtime air temperature and precipitation in the nine states, although large state-to-state differences were found in the degree of sowing date-meteorology relationship. We determined that the 36-year climatological warm period (CWP) with daily mean temperatures 10 degrees C plays an important role in the state-to-state differences. For the states with longer CWPs, the influence of air temperature (precipitation) was generally weaker (stronger). This observed counteractive relationship should be considered for crop modelling for more effective assessment of the impact of climate change on agriculture.
DOI
10.1002/joc.4799
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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