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The official channel of the France 3 show. C'est pas sorcier, the magazine of discovery and science. For several years, many consumers have been turning to organic foods to protect the environment and their health. In France, only 2% of cultivated areas are organic. The principle of organic farming is to not use any chemical fertilizers or pesticides. To do this, it is not enough to let nature do its thing... Far from it...! Green fertilizer, crop rotation, biological control of insects, organic farming is less polluting but also less productive than conventional farming. Fred goes to Brittany to an organic store, where farmers sell their produce directly to consumers, where the food is marketed under the French AB label. He also visits an organic dairy farm. Sabine, for her part, goes to Vaucluse and helps harvest organic zucchini and grapes. Then she goes to Bouches-du-Rhône, to an apple orchard where biological control is practiced. We discover integrated agriculture. Its principle is to integrate all solutions (rotations, biological control, etc.) including chemical fertilizers and pesticides, but as a last resort. On a global scale, it is undoubtedly this type of sustainable agriculture that could make it possible to feed the world's population.