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Introduction to Hydroponics & Plant Growth. Lesson Aim. Describe the nature and scope of hydroponic growing in a hobby situation. INTRODUCTION. Hydroponics is the process used to grow plants without soil and literally means 'working water'. The grower is taking 'control' of the plant's root environment, Introduction to Hydroponics 1-2 Introduction to Hydroponics 1-3 Introduction to Hydroponics 1-4 Introduction to Hydroponics 1-5 Introduction to Hydroponics Soilless production and hydroponics are options for many and enable small-scale vegetable production where traditional gardens would be impossible. The growing Hydroponics is simply the growth of plants without soil. Plants also need light, water, carbon dioxide, and oxygen in the root zone. In hydroponics, plants are