Journal of The Korean Society of Grassland and Forage Science (한국초지조사료학회지)

The Korean Society of Grassland and Forage Science (한국초지조사료학회)
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Detecting on Optimal Seeding and Harvesting Dates of Whole Crop Maize via Meta Data

사일리지용 옥수수의 메타자료를 이용한 적정 파종 및 수확시기의 탐색

  • 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)
  • 조현욱 (강원대학교 동물생명과학대학) ;
  • 김시철 (한국낙농육우협회) ;
  • 김문주 (강원대학교 동물자원공동연구소) ;
  • 김지융 (강원대학교 동물생명과학대학) ;
  • 조무환 (농어촌청소년육성재단) ;
  • 김병완 (강원대학교 동물생명과학대학) ;
  • 성경일 (강원대학교 동물생명과학대학)
  • Received : 2020.03.13
  • Accepted : 2020.03.24
  • Published : 2020.03.31
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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.

본 연구는 사일리지용 옥수수(whole crop maize: WCM)의 메타자료를 통해 적정 파종 및 수확시기에 대한 탐색을 생육도일(Growing degree days, ℃; GDD)을 이용하여 검토하였다. WCM의 원자료(1982~2012년)는 학위논문, 학회지 및 연구보고서로부터 실험별 연도, 품종, 지역, 파종시기 및 수확시기 등 생육정보가 포함된 3,152점이었다. 수집한 자료 중 파종시기 및 수확시기와 관련된 자료는 데이터입력, 자료선별 및 오류자료수정 과정을 거쳐 최종데이터세트(파종시기 29점, 수확시기 92점; 총 121점)를 구성하였고 최적점 설정, 메타분석, 2차모형 구축을 통하여 적정 파종 및 수확시기의 허용 범위를 고려한 기간과 GDD를 제시하였다. WCM의 적정 파종 및 수확기간은 각각 4월 14일~5월 3일 및 8월 15일~9월 4일이었으며 이 때 GDD는 23.7~99.6℃ 및 1,328.7~1,602.1℃였다. 이상에서 GDD는 WCM의 적정 파종 및 수확시기의 판단기준으로 사용 가능할 것으로 사료된다

Keywords

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