Fig. 2
From: Organic matter in the pest and plant disease control: a meta-analysis
Relative frequency of organic matter sources used for pests and diseases control in plants. C Compost; V Vermicompost; CT Compost Tea; VT Vermicompost Tea; HS Humic substances; Comb Combinations (Vermicompost + Microorganisms, Compost + Microorganisms, Humic Acid + Microorganisms, Vermicompost + Humic Acid, Vermicompost + Vermicompost Tea, Compost + Charcoal, Humic acid + Chitosan); Others – Biofertilizer and Charcoal