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ISO 21263 : 2017

M00024135

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ISO 21263 : 2017

SLOW-RELEASE FERTILIZERS - DETERMINATION OF THE RELEASE OF THE NUTRIENTS - METHOD FOR COATED FERTILIZERS

International Organization for Standardization

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Table of Contents

Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Principle<br>5 Apparatus<br>6 Sampling<br>7 Procedure<br>8 Expression of results<br>9 Precision<br>10 Test report<br>Annex A (normative) - Criteria for release conditions<br>Annex B (informative) - Accelerated test methods based<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;on an elevated temperature<br>Bibliography

Abstract

Describes a method for the determination of the slow release properties of nutrients from coated fertilizers.

General Product Information

Document Type Standard
Status Current
Publisher International Organization for Standardization
Committee TC 134