Dicyandiamide (DCD) Supplier South Africa | 99.5% Nitrification Inhibitor

What Is Dicyandiamide (DCD)?

Dicyandiamide (DCD, C₂H₄N₄) is a white crystalline organic compound with 66.6% nitrogen content. It is used as a nitrification inhibitor — a compound that slows the conversion of ammonium nitrogen (NH₄⁺) to nitrate (NO₃⁻) in the soil by inhibiting the activity of Nitrosomonas bacteria. This reduces the risk of nitrate leaching into groundwater, denitrification losses as nitrous oxide (N₂O), and improves the efficiency of applied nitrogen fertilizer in high-rainfall environments.

DCD in Sustainable Nitrogen Management

DCD is used in precision nitrogen management programs, particularly in pastoral farming systems where urine nitrogen from grazing livestock poses a significant leaching risk. Applied as a solution or incorporated into fertilizer blends, DCD keeps nitrogen in the slower-moving ammonium form in the root zone for longer, improving N uptake efficiency and reducing environmental losses. In arable farming, DCD-coated or DCD-blended urea products extend the nitrogen availability window without the need for split applications, reducing application costs and labour.

Sourcing DCD From Terracore

Terracore supplies 99.5% dicyandiamide in crystal and powder form in 25 kg bags. We supply fertilizer manufacturers incorporating DCD into inhibited urea and ammonium products, as well as research institutions and precision agriculture program operators.