A hydroponist is someone who specializes in the practice of hydroponics, which is the growth of plants in a nutrient-rich water solution instead of soil. Synonyms for hydroponist include hydroponic gardener, hydroponic farmer, hydro-cultivator, and hydro-gardener. These individuals are skilled in the art of growing plants without soil by controlling their nutrient and environmental needs. They must understand the intricacies of hydroponic systems, such as nutrient cycling, pH balance, and lighting. Hydroponists can work in various settings, including research laboratories, greenhouses, and even home-gardening setups. Regardless of the environment, hydroponists are essential players in the production of pesticide-free, sustainable, and high-yielding crops.