The present book provides detailed information on hydroponics techniques, its nutrient solution requirements, disorders of plants (nutrient deficiency symptoms, diseases and other insect-pests), media, root and air environmental requirements, aquaculture & aquaponics systems and their requirements along with the concepts of controlled environment of agriculture techniques such as greenhouses and growrooms. Through environmentally-controlled greenhouses, we can grow anything, anywhere and in any season for fresh supply of eatables, especially vegetables and fruits, vis-a-vis cut flowers in the market to generate good dividend. This book is intended to give enough grounding to the readers, so that they can grow vegetables, other food and ornamental crops, along with fishes and other aquatic animals in a small space in their houses and to help them start commercial production of many crops in a small area. The book is for anyone who wants to learn about Soilless Crop Production.