Text Box: Chapter 7

Text Box: Nutrient solutions
and
Greenhouse management
Chapter       Contents
7                  ADJUSTING NUTRIENT LEVELS
                     and STERILIZATION OPTIONS
7.1                Root zone analyses for managing plant nutrition
7.1.1              Feeding water for closed systems
7.1.2              Procedure for adjusting nutrient levels
7.1.2.1            Sampling
7.1.2.2            Checking laboratory results
7.1.2.3            Principle of root zone analyses
7.1.2.4            pH Adjustments
7.1.3               Silicon (Si) for soil-less crop production
7.2                 Managing water borne pathogens
7.2.1               Harmful organisms in feeding water
7.2.2               Sterilization of feeding water
7.2.3               Sterilization of recycled solutions
7.2.3.1            Chlorination
7.2.3.2            Hydrogen peroxide (H2O2)
7.2.3.3            Ozone (O3)
7.2.3.4            UVc - irradiation
7.2.3.5            Filtration
7.2.3.6            Heat
7.3                 References
AUTHOR INDEX
LIST OF TABLES
LIST OF FIGURES
ISBN Number: 0-620-35295-7

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