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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