ISO INTERNATIONAL STANDARD 7562 First edition 1990-04-15 Potatoes -- Guidelines for storage in artificially ventilated stores Pommes deterre --Guide pourle stockage en entrepot a ventilation forcee Reference number ISO7562:1990(E) Coovriaht International Oraanization for Standardization ISO7562:1990(E) Foreword Iso(the International Organization forStandardization)is a worldwide federation of national standards bodies (lso member bodies).The work of preparing International Standards is normally carried out through iso which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with Iso, also take part in the work.Iso collaborates closely with the International Electrotechnical Commission (IEC)on all matters of electrotechnical standardization. Draft international Standards adopted bythetechnical committees are circulated to the member bodies for voting. Publication as an Interna- tionalStandard requiresapproval by at least75%of thememberbodies castingavote International Standard IsO7562wasprepared byTechnical Committee ISO/TC34,Agriculturalfoodproducts. CISO1990 permission in writing from the publisher. InternationalOrganizationforStandardization CasePostale56·CH-1211Geneve20Switzerland Printed in Switzerland ISO 7562:1990(E) Introduction Methods of storing potatoes depend to a large extent on local climatic conditions,the degree and type of mechanization available and the end use of the potatoes.Inmany countries,potatoes are commonly stored in clamps, but special stores with artificial ventilation are being in- creasingly used. Copvriaht International Oraanization for Standardizatior