BS ISO 24253-2:2015 BSl Standards Publication Crop protection equipment - Spray deposition test for field crop Part 2: Measurement in a crop bsi. ..making excellence a habit: BS ISO 24253-2:2015 BRITISH STANDARD National foreword This British Standard is the UK implementation ofIS0 24253-2:2015 The UK participation in its preparation was entrusted to Technical Committee AGE/15, Equipment for cropprotection and application of liquid fertilizer. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @The British Standards Institution 2015 Published by BSI Standards Limited 2015 ISBN 978 0580 77663 2 ICS 65.060.40 Compliancewitha BritishStandard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2015. Amendments/corrigenda issued since publication Date Text affected ISO INTERNATIONAL STANDARD 24253-2 First edition 2015-03-15 Crop protection equipment - Spray deposition test for field crop - Part 2: Measurement in a crop Materielde protection des cultures-Essais dedepot dela pulverisationsurlesgrandes cultures- Partie2:Mesuragedansuneculture Reference number ISO 24253-2:2015(E) O @ IS0 2015 BSISO24253-2:2015 IS0 24253-2:2015(E) COPYRIGHTPROTECTEDDOCUMENT @IS0 2015 All rights reserved. Unless otherwise specified, 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 Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii ISO 2015-Allrights reserved BSISO 24253-2:2015 IS024253-2:2015(E) Contents Page Foreword iv Introduction V 1 Scope. .1 2 Normativereferences .1 3 Terms and definitions .1 4 Testmethod 1 4.1 Principle 1 4.2 Testarea 2 4.3 Monitoringofmeteorological conditions 2 4.4 Acceptablemeteorological conditionsforfieldmeasurement of spraydeposition 2 4.5 Tracers. 3 4.6 Collectors. 3 4.7 Spray liquid 3 5 Test procedure 4 5.1 General. 4 5.2 Sampling spray deposition on the canopy 7 5.2.1 Spray flux on top of crop canopy 7 5.2.2 Insidecanopy 8 5.3 Sampling spray deposition to the ground underneath canopy 9 5.4 Drop distribution/spray coverage (optional) 9 Test report. .9 6 6.1 Data related to the spraying system 9 6.1.1 Sprayer working condition 9 6.1.2 Sprayerboom. 10 6.1.3 Nozzles and liquid distribution 10 6.1.4 Air flowdistribution (for air-assisted sprayers) 10 6.2 Data related to the field 11 Data related to the crop .11 6.3 .11 6.4 Data related to the spray liquid 7 Expression ofresults .11 Annex A (informative) Examples ofcollectors for canopy andground measurements .13 AnnexB(informative)Fluorimetryanddepositioncalculation .14 AnnexC(informative)Referencecollectorsystem .16 Annex D (informative) Specifying air assistance on boom sprayers .18 Annex E (informative) Calculations and expression of the spray distribution results .19 Bibliography .21 @ IS0 2015 - All rights reserved iii BS ISO 24253-2:2015 IS0 24253-2:2015(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations,governmental and non-governmental, inliaison with Iso, also takepart in the work. ISo collaborates close