| http://www.w3.org/ns/prov#value | - It covers, as any good work about plant disease should, fertilization, nutritional deficiencies, and environmental factors such as drought, freezing, lightning, air pollution, water contamination etc. before attempting to fix the problem, the work stresses the causal effects and, similarly, the visual pitfalls that may provide evidence of an unseen insect symptom (galling, nematodes, etc.) The wor
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