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Fertilizer for Rubber
Rubber fertilizers essentially consist of Nitrogen (N), Phosphorous (P), Potassium (K) and Magnesium (Mg).
These fertilizer mixtures are categorized according to their base, Urea and Sulphate of Ammonia.
The rubber growing soils of Sri Lanka are divided into three groups.
Rubber Fertilizer Mixtures
(While tapped on virgin bark)
Avissawella, Badulla and