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Labeling of fertilizer

Many countries have standardized the labeling of fertilizers to indicate their contents of major nutrients. The most common labeling convention, the NPK or N-P-K label, shows the amounts of the chemical elements nitrogen, phosphorus, and potassium.

Standards, NPK values for commercial fertilizers & Common labeling conventions

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NPK values for commercial fertilizers

Calcium nitrateAmmonium sulphateIsobutylidenediureaAmmonium nitrateUrea
18 related topics

Common labeling conventions

Additional macronutrientsMass fractionPhosphorus pentoxidePotassium oxideU.K.
7 related topics

Converting nutrient analysis to composition

SylvitePotassium chlorideAtomic massMol
4 related topics

Overview

Chemical elementsNitrogenPhosphorusPotassium
4 related topics

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Common labeling conventions

Converting nutrient analysis to composition

NPK values for commercial fertilizers

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Labeling of fertilizer

Nodes38
Edges37
Triples0
Avg. degree1.95
Density0.052632
Components1

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fertilizer potassium phosphorus elemental weight nitrogen value fertilizers npk labeling 2o labeled percentage mass n-p-k values label example would therefore

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