Fuente: WIPO "tomato" A system for preparation and delivery of a horticultural nutrient liquid, the system including a dosing apparatus, a mixing assembly, a valve assembly, and a control unit. The dosing apparatus includes dosage pumps configured to draw respective fertilizers from fertilizer containers and to inject the fertilizers into a piping apparatus, to generate a horticultural nutrient liquid. The mixing assembly is configured to receive the horticultural nutrient liquid and mix the horticultural nutrient liquid so that the horticultural nutrient liquid is homogeneous. The valve assembly configured to control passage of the horticultural nutrient liquid from the mixing assembly to a second piping apparatus delivering the horticultural nutrient liquid to one or more plants. The control unit is configured to control operations of the dosing apparatus, the mixing assembly tank, and the valve assembly.