Hydroponics Indoor Horticulture  

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Hydroponics - Indoor Horticulture

Hydroponics - Indoor Horticulture represents an educational, in-depth, up-to-date, indoor horticultural growers guide that covers all principles of indoor Hydroponics Indoor Horticulture by Jeffrey Winterborne hydroponic horticulture and gardening. This book contains 110,000 words, with over 300 diagrams, pictures, illustrations, graphs, tables, 3 dimensional CAD renderings, and is printed in full colour.

Hydroponics - Indoor Horticulture examines, explores, dissects and presents a fully comprehensive step by step growers guide, relating to all and every aspect of indoor hydroponic horticulture, with complete chapters on plant biology, propagation, hydroponic systems, nutrients, oxygen, carbon dioxide enrichment, pH, biological pest control, fungi/disease, cuttings/clones, pruning/training, breeding, harvesting, equipment, grow rooms, a full history of hydroponics, and more.

This book goes further than any indoor growers guide has gone before, presented in full colour with 3 dimensional CAD renderings. Hydroponics - Indoor Horticulture quite simply outclasses any other book on the subject... In terms of literal content, quantity, quality and presentation, no other indoor horticulture growers guide can compete, let alone compare.

(Below follows a one page sample taken from the book)

Oxygen and Air

Example of Autotrophic Metabolism

Ventilation of air and the supply of fresh air is sadly one of the most overlooked factors when creating a grow room. Air circulation and ventilation are absolutely definitive factors for happy plants and great yields. Without the availability of fresh air, the stomata become restricted and so does the plants’ potential.

As with humans, plants need oxygen to survive. In fact, cell for cell compared to humans, plants use very similar amounts of oxygen. So, in effect, plants need and use lots of oxygen. It has been found that a dried plant will consist of approximately 45% of oxygen atoms. So in conditions where the air has become stagnated inside a grow room and where the air has less than 20% oxygen, plants struggle to perform.


Plants, obviously as a by-product of photosynthesis, produce oxygen. During the light cycle, plants are in effect breathing out oxygen so the leaves have relatively easy access to oxygen during the daylight cycle. The roots on the other hand have a much harder time to utilise enough oxygen for their requirements. This results in restricting root respiration, which in turn slows photosynthesis, which in turn reduces the growth potential of the plant.

Consequently, the happiness and the potential of the plant are very dependent upon the roots securing enough oxygen. Plants are only able to grow as well as the roots allow it; yield can be directly measured in proportion to root growth.

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