NF ISO 7851
Fertilizers, soil conditioners and beneficial substances - Classification
This document establishes a system of classification for fertilizers, soil conditioners and beneficial substances. The system of classification is in accordance with: — the nutrient contents of the fertilizer; — the effect of the fertilizer; — the type of product; and — the acidity and alkalinity of the product as a supplement. It is applicable to fertilizers, soil conditioners and beneficial substances. The classification scheme for fertilizers, soil conditioners and beneficial substances (in accordance with nutrient contents) is shown in Annex A.
This document establishes a system of classification for fertilizers, soil conditioners and beneficial substances. The system of classification is in accordance with:
— the nutrient contents of the fertilizer;
— the effect of the fertilizer;
— the type of product; and
— the acidity and alkalinity of the product as a supplement.
It is applicable to fertilizers, soil conditioners and beneficial substances. The classification scheme for fertilizers, soil conditioners and beneficial substances (in accordance with nutrient contents) is shown in Annex A.
- Avant-propos
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1 Domaine d'application
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2 Références normatives
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3 Définitions
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4 Classification des engrais
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5 Classification des amendements
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6 Classification des substances bénéfiques
- Annexe A (informative) Tableau de classification des engrais, amendements et substances bénéfiques (en fonction des teneurs en éléments nutritifs)
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