The present invention relates generally to a horticultural nutrient control system and method for using same. The invention relates to an apparatus, and related methods, for automatically formulating, storing, and dispensing a nutrient solution to one or more horticultural crop, comprising: a) a reservoir unit for receiving a nutrient solution, mixing said nutrient solution, and dispensing said nutrient solution to a corresponding horticultural crop, wherein said reservoir unit comprises: i) a vertical cylindrical tank terminating at a cone-shaped bottom outlet； ii) a plurality of vertical baffles extending from the interior surface of the reservoir unit； and iii) a plurality of fluid eductors positioned along the length of each baffle, said fluid eductors adapted to deliver said nutrient solution in combination with oxygen to said reservoir unit； b) a nutrient delivery assembly fluidly connecting a water source and a plurality of nutritional component sources to said reservoir unit, said nutrient delivery assembly adapted to controllably deliver said water and nutritional components to said reservoir unit through said plurality of fluid eductors； c) controller coupled to said nutrient delivery assembly and adapted to direct the delivery of said water and nutritional components to the reservoir unit； and d) a storage-control unit for housing at least a central processing unit, said nutrient delivery assembly, and said plurality of nutritional component sources, wherein said central processing unit is operably coupled to said controller.
