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http://dx.doi.org/10.5333/KGFS.2020.40.1.66

Detecting on Optimal Seeding and Harvesting Dates of Whole Crop Maize via Meta Data  

Jo, Hyun Wook (College of Animal Life Sciences, Kangwon National University)
Kim, Si Chul (Korea Daily & Beef Farmers Association)
Kim, Moon Ju (Institute of Animal Resources, Kangwon National University)
Kim, Ji Yung (College of Animal Life Sciences, Kangwon National University)
Jo, Mu Hwan (Foundation for the Rural Youth)
Kim, Byong Wan (College of Animal Life Sciences, Kangwon National University)
Sung, Kyung Il (College of Animal Life Sciences, Kangwon National University)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.40, no.1, 2020 , pp. 66-72 More about this Journal
Abstract
This study aimed to discuss the optimal seeding and harvesting dates with growing degree days(GDD) via meta-data of whole crop maize(WCM). The raw data (n=3,152) contains cultivation year, cultivars, location, seeding and harvesting dates collected from various reports such as thesis, science journals and research reports (1982-2012). The processing was: recording, screening and modification of errors; Then, the final dataset (n=121) consists of seeding cases (n=29), and harvesting cases (n=92) which were used to detect the optimum. In addition, the optimal periods considering tolerance range and GDD also were estimated. As a result, the optimum seeding and harvesting periods were 14th April ~ 3rd May and 15th August ~ 4th September, respectively; where, their GDDs were 23.7~99.6℃ and 1,328.7~1,602.1℃, respectively. These GDDs could be used as a judge standard for selecting the seeding and harvesting dates.
Keywords
Whole crop maize; Seeding dates; Harvesting dates; Growing degree days; Meta-data;
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Times Cited By KSCI : 2  (Citation Analysis)
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