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http://dx.doi.org/10.7848/ksgpc.2022.40.5.449

Development of a modified model for predicting cabbage yield based on soil properties using GIS  

Choi, Yeon Oh (Lodics Co.,LTD)
Lee, Jaehyeon (Lodics Co.,LTD)
Sim, Jae Hoo (Lodics Co.,LTD)
Lee, Seung Woo (Lodics Co.,LTD)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.40, no.5, 2022 , pp. 449-456 More about this Journal
Abstract
This study proposes a deep learning algorithm to predict crop yield using GIS (Geographic Information System) to extract soil properties from Soilgrids and soil suitability class maps. The proposed model modified the structure of a published CNN-RNN (Convolutional Neural Network-Recurrent Neural Network) based crop yield prediction model suitable for the domestic crop environment. The existing model has two characteristics. The first is that it replaces the original yield with the average yield of the year, and the second is that it trains the data of the predicted year. The new model uses the original field value to ensure accuracy, and the network structure has been improved so that it can train only with data prior to the year to be predicted. The proposed model predicted the yield per unit area of autumn cabbage for kimchi by region based on weather, soil, soil suitability classes, and yield data from 1980 to 2020. As a result of computing and predicting data for each of the four years from 2018 to 2021, the error amount for the test data set was about 10%, enabling accurate yield prediction, especially in regions with a large proportion of total yield. In addition, both the proposed model and the existing model show that the error gradually decreases as the number of years of training data increases, resulting in improved general-purpose performance as the number of training data increases.
Keywords
Deep Learning; Crop Yield Prediction; CNN; RNN; LSTM; Hyperparameter Optimization;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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