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STANDARD 16075-6
First edition
2023-12
Guidelines for treated wastewater use
for irrigation projects —
Part 6:
Fertilization
Lignes directrices pour l'utilisation des eaux usées traitées en
irrigation —
Partie 6: Fertilisation
Reference number
ISO 16075-6:2023(E)
© ISO 2023
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ISO 16075-6:2023(E)
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© ISO 2023
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO 16075-6:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Source of macronutrients and trace elements in TWW . 2
4.1 General . 2
4.2 Nitrogen (N) . 2
4.3 Phosphorus (P) . 2
4.4 Potassium (K) . 3
4.5 Trace elements . 3
5 Concentration of macronutrients at various levels of wastewater treatment .3
6 Nutrient cycle and reactions in soil .4
6.1 General . 4
6.2 Nitrogen . 4
6.3 Phosphorus . 6
6.4 Potassium . 7
6.5 Micronutrients . 7
7 Fertilizer requirements .
...