Fig. 9From: Improving the prediction performance of leaf water content by coupling multi-source data with machine learning in rice (Oryza sativa L.)The 1:1 validation of the machine learning algorithms with ND + CWSI model for monitoring LWC at the flowering stage. a Decision tree regression (DT); b Random forest regression (RF); c K-nearest neighbor regression (KNN); d Gradient boosting decision tree regression (GBDT)Back to article page