Principle and concept of Aquaponics. Basics of hydroponics. Types and techniques of aquaponics. Plant requirements in aquaponics. Plant nutrition in aquaponics. Deficiency symptom corrections. Deep water culture. Aquaponics hybrid farm model. Cultural operations in an aquaponics farm. Combining media hydroponics, Nutrient Film Technique and aquaculture. Troubleshooting in aquaponics systems. Protected structures for aquaponics farms. Methods and applications of raising fish together with plants in closed recirculating systems. Suitable plants and fish species for aquaponics. Water management, monitoring and recycling; biofilters. Aquaponics system designs; nitrogen cycling and water quality. Plant and fish health