Fig. 3
From: Organic matter in the pest and plant disease control: a meta-analysis
A Relative frequency of the study of pests (insects and nematodes) and diseases (fungal and bacterial) in plants, in relation to the use of organic matter; B frequency of cultivated families most studied for each different organic matters to control pests and diseases; C frequency of the study of insect pests and pathogens that cause diseases in plants, in relation to the use of organic sources. 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