10-15-21 + S Granular Compound

10-15-21 + S Granular Compound fertiliser represents the N-P-K (Nitrogen-Phosphorus-Potassium) ratio, indicating the percentage by weight of each of these nutrients in the fertiliser with sulphur (S) as well.

Adding sulphur to the mix suggests it may be targeting specific crops or soils that benefit from sulphur supplementation, as sulphur is an essential nutrient for plant growth, often required in smaller quantities compared to NPK nutrients.

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