Application of Artificial Neural Networks for Multi-Criteria Yield Prediction of Winter Wheat
Publish Year: 1397
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JASTMO-21-1_005
تاریخ نمایه سازی: 23 آبان 1402
Abstract:
Three independent models were constructed for the prediction of yields of winter wheat. The models were designed to enable the prediction of yield at three dates: ۱۵th April, ۳۱st May, and ۳۰th June. The models were built using artificial neural networks with MLP (multilayer perceptron) topology, based on meteorological data (air temperature and precipitation) and information on applications of mineral fertilizer. Data were collected in the ۲۰۰۸–۲۰۱۵ from ۳۰۱ crop fields in the Wielkopolska region of Poland. The evaluation of the quality of predictions made using the neural models was verified by determination of prediction errors using the RAE, RMS, MAE and MAPE measures. An important feature of the constructed predictive models is the ability to make a forecast in the current agricultural year based on up-to-date weather and fertilization information. The lowest MAPE error values were obtained for the neural model WW۳۰_۰۶ (۳۰th June) based on an MLP network with the structure ۱۹:۱۹-۱۵-۱۳-۱:۱, the error was ۸.۸۵%. Sensitivity analysis revealed which factors had the greatest impact on winter wheat yield. The highest rank (۱) was obtained by all networks for the same independent variable, namely, the mean air temperature in the period from ۱st September to ۳۱st December of the previous year (T۹-۱۲_LY).
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Authors
G. Niedbała
Institute of Biosystems Engineering, Faculty of Agronomy and Bioengineering, Poznan University of Life Sciences, Poland.
J. R. Kozlowski
Institute of Biosystems Engineering, Faculty of Agronomy and Bioengineering, Poznan University of Life Sciences, Poland.
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