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http://dx.doi.org/10.5532/KJAFM.2020.22.2.68

Analysis of Crop Survey Protocols to Support Parameter Calibration and Verification for Crop Models of Major Vegetables  

Kim, Kwang Soo (Department of Plant Science, Seoul National University)
Kim, Junhwan (Division of Crop Physiology and Production, National Institute of Crop Sciences, Rural Development Administration)
Hyun, Shinwoo (Department of Plant Science, Seoul National University)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.22, no.2, 2020 , pp. 68-78 More about this Journal
Abstract
Crop models have been used to predict vegetable crop yield, which would have a considerable economic impact on consumers as well as producers. A small number of models have been developed to estimate growth and yield of vegetables due to limited availability of growth observation data in high-quality. In this study, we aimed to analyze the protocols designed for collection of the observation data for major vegetable crops including cabbage, radish, garlic, onion and pepper. We also designed the protocols suitable for development and verification of a vegetable crop growth model. In particular, different measures were proposed to improve the existing protocol used by Statistics Korea (KOSTAT) and Rural Development Administration (RDA), which would enhance reliability of parameter estimation for the crop model. It would be advantageous to select sampling sites in areas where reliable weather observation data can be obtained because crop models quantify the response of crop growth to given weather conditions. It is recommended to choose multiple sampling sites where climate conditions would differ. It is crucial to collect time series data for comparison between observed and simulated crop growth and yield. A crop model can be developed to predict actual yield rather than attainable yield using data for crop damage caused by diseases and pests as well as weather anomalies. A bigdata platform where the observation data are to be shared would facilitate the development of crop models for vegetable crops.
Keywords
Major vegetables; Crop survey; Protocol; Crop model; Observation data;
Citations & Related Records
Times Cited By KSCI : 19  (Citation Analysis)
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