70% Humic Acid Granule Slow Release For Cassava Plantation Soil Amendment

Black Humic Acid Granule 70% Slow Release For Thailand Cassava Plantation Cassava is one of Thailand's most important export crops, and it is grown heavily on sandy, low organic matter soils that respond strongly to organic amendments. Black Humic Acid Granule 70% Slow Release combines a high humic acid content with a slow release granule that continues to work through the long bulking period. The deep black colour reflects the concentrated organic content of the granule.