Aquaponics: the section covering everything to do with aquaponics. Aquaponics is a growing method that allows fish and plants to coexist. Fish faeces, rich in nitrogen, and natural bacteria provide part of the nutrition for the plants. The rest is provided as a supplement in the form of soluble mineral salts: magnesium, potassium, iron, calcium and micronutrients.

An age-old technique is being revived because of its effectiveness and virtuous circle. The Chinese already used it over 2000 years ago in rice paddies. In Amazonia, this system has been practised for a thousand years, with the breeding of tilapia, a fish that is very common in this type of region.