Please use this identifier to cite or link to this item: https://rda.sliit.lk/handle/123456789/4049
Title: A novel application with explainable machine learning (SHAP and LIME) to predict soil N, P, and K nutrient content in cabbage cultivation
Authors: Abekoon, T
Sajindra, H
Rathnayake, N
Ekanayake, I.U.
Jayakody, A
Rathnayake, U
Keywords: Cabbage
Deep neural network
Explainable machine learning
Major soil nutrients
Plant growth characteristics
Issue Date: Aug-2025
Publisher: Elsevier B.V.
Series/Report no.: Smart Agricultural Technology;Volume 11
Abstract: Cabbage (Brassica oleracea var. capitata) is commonly cultivated in high altitudes and features dense, tightly packed leaves. The Green Coronet variety is well-known for its robust growth and culinary versatility. Maximizing yield is crucial for food sustainability. It is essential to predict the soil's major nutrients (nitrogen, phosphorus, and potassium) to maximize the yield. Artificial intelligence is widely used for non-linear predictions with explainability. This research assessed the predictive capabilities of soil nitrogen, phosphorus, and potassium levels with explainable machine learning methods over an 85-day cabbage growth period. Experiments were conducted on cabbage plants grown in central hills of Sri Lanka. SHapley Additive exPlanations (SHAP) and Local Interpretable Model-agnostic Explanations (LIME) were used to clarify the model's predictions. SHAP analysis showed that high feature values of the number of days and plant average leaf area negatively impacted for nutrient predictions, while high feature values of leaf count and plant height had a positive effect on the nutrient predictions. To validate the results, 15 greenhouse-grown cabbage plants at various growth stages were selected. The nitrogen, phosphorus, and potassium levels were measured and compared with the predicted values. These insights help refine predictive models and optimize agricultural practices. A user-friendly application was developed to improve the accessibility and interpretation of predictions. This tool is a user-friendly platform for end-users, enabling effective use of the model's predictive capabilities.
URI: https://rda.sliit.lk/handle/123456789/4049
ISSN: 27723755
Appears in Collections:Department of Computer Systems Engineering

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