Table 4 Comparative analysis with related works.

From: Explainable AI-driven interpretation of environmental drivers of tomato fruit expansion in smart greenhouses using IoT sensing

Study

Method

Focus

Interpretability

Key findings

This study

RF + SHAP + PDP

Tomato fruit expansion

High

Soil temp 21.8 °C, light > 20 Klux, soil EC 0.6–0.8 dS/m

[35] Yu et al., 2024

ANN + SSA optimization

Fertilizer application rate prediction for tomato

Medium

ANN outperformed traditional models in NPK prediction, but limited interpretability for physiological mechanisms

[36] Zhang et al., 2022

XGBoost regression

Greenhouse tomato evapotranspiration prediction

Medium

XGBR-ET achieved superior accuracy, supporting irrigation scheduling, though without feature-level interpretation

[37] Wang et al., 2025

XGBoost

Irrigation prediction for cherry tomato

Low

Enhanced precision irrigation through XGBoost, though remained a black-box approach

[38] Mancer et al., 2024

ML (RF, XGBoost)

Tomato yield prediction in greenhouse

Medium

Improved yield prediction accuracy, but lacked explainability of environmental–yield mechanisms