green lettuce or organic salad vegetable with hydroponic systems in the greenhouse by controlling water and fertilizer using a sma

agricultural agriculture agriculturist aquaponics background botanical business care clean control crop cultivate cultivated cultivation diet digital environment export farm farmer farming farmland field flora foliage food free fresh freshness garden gardener gardening green greenery greenhouse grow grower growing growth harvest health healthy hydroponic hydroponics indoor industrial industry ingredients innocuous leaf lettuce market material modern natural nature non nontoxic nursery nutrition oak organic pipes plant plantation planter produce production rack row salad smart spring structure technology toxic vegetable vegetables vegetarian water