Fig. 8From: Combined application of biochar and nitrogen fertilizer promotes the activity of starch metabolism enzymes and the expression of related genes in rice in a dual cropping systemCorrelation heat map of SBEs, starch content, and amylose content of rice using R software. Circle with red to dark blue color indicates the relationship from negative to positive. Circle size from small to big indicates the moderate positive/negative to strongly negative/positive relationshipBack to article page