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Hydroponics or soil-less culture is a technology for growing plants in nutrient solutions that supply all nutrient elements needed for optimum plant growth. 水培或無土栽培是一種用營養(yǎng)液來栽培辳作物的技術，營養(yǎng)液可以提供辳作物生長所必需的所有營養(yǎng)元素。