ISO 16075-6:2023

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 16075-6
ISO/TC 282/SC 1
Guidelines for treated wastewater use
Secretariat: SII
for irrigation projects —
Voting begins on:
2023-09-01
Part 6:
Voting terminates on:
Fertilization
2023-10-27
Lignes directrices pour l'utilisation des eaux usées traitées en
irrigation —
Partie 6: Fertilisation
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 16075-6:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2023

---------------------- Page: 1 ----------------------
ISO/FDIS 16075-6:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 16075-6
ISO/TC 282/SC 1
Guidelines for treated wastewater use
Secretariat: SII
for irrigation projects —
Voting begins on:
Part 6:
Voting terminates on:
Fertilization
Lignes directrices pour l'utilisation des eaux usées traitées en
irrigation —
Partie 6: Fertilisation
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 16075-6:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

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ISO/FDIS 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 wast
...

ISO/FDIS 16075-6:2022(E)
Date: 2023-06-11
ISO/TC 282/SC 01 1
Secretariat: SII
Date: 2023-08-18
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
FDIS stage
© ISO 2023 – All rights reserved

---------------------- Page: 1 ----------------------
ISO/FDIS 16075-6:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this
publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical,
including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can
be requested from either ISO at the address below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Fax: +41 22 749 09 47
EmailE-mail: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2023 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/FDIS 16075-6:2023(E)
Contents
Foreword . v
Introduction . vi
Part 6: Fertilization . 1
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 . 8
7 Fertilizer requirements . 10
7.1 Nutrient requirement by crops .
...