284 Towards Efficient Nutrient Management in Recirculating Hydroponic Culture

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Nutrient Management in Recirculating Hydroponic Culture

INTRODUCTION There is an increasing need to recirculate and reuse nutrient solutions in order to reduce environmental and economic costs. However, one of the weakest points in hydroponics is the lack of information on managing the nutrient solution. Many growers and research scientists dump out nutrient solutions and refill at weekly intervals. Other authors have recommended measuring the conce...

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Nutrient Solutions for Hydroponic Systems

Among factors affecting hydroponic production systems, the nutrient solution is considered to be one of the most important determining factors of crop yield and quality. This chapter aims to explain aspects related to plant nutrition and its effects on production of hydroponic crops, considering basic aspects such as nutrient solutions and their development through the years; components of nutr...

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................................................................................................................... iv ACKNOWLEDGMENTS............................................................................................... vi DEDICATION ...............................................................................................................vii LIST OF TABLES ..........................

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Dynamics of microorganism populations in recirculating nutrient solutions.

This overview covers the basic microbial ecology of recirculating hydroponic solutions. Examples from NASA and Soviet CELSS tests and the commercial hydroponic industry will be used. The sources of microorganisms in nutrient solutions include air, water, seeds, plant containers and plumbing, biological vectors, and personnel. Microbial fates include growth, death, and emigration. Important micr...

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ژورنال

عنوان ژورنال: HortScience

سال: 1999

ISSN: 0018-5345,2327-9834

DOI: 10.21273/hortsci.34.3.491c