ISO INTERNATIONAL STANDARD 23611-4 Second edition 2022-08 Soil quality Sampling of soil invertebrates - Part 4: Sampling, extraction and identification of soil-inhabiting nematodes Qualité du sol - Prelevement des invertébrés du sol - Partie 4: Prélevement, extraction et identification des nématodes du sol Reference number ISO 23611-4:2022(E) ISO @IS02022 IS0 23611-4:2022(E) COPYRIGHTPROTECTED DOCUMENT @IS02022 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 memberbody inthe country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii IS02022-Allrightsreserved