LANDEN® Granular was developed by AMLONG, a specialty fertilizer laboratory of LANDEN Corporation, based on a combination of high elemental water soluble fertilizers and compound fertilizers, with a quick-release, slow-release profile that combines the high efficiency of high elemental water soluble fertilizers with the longevity of compound fertilizers. The patented IRF™ factor can rapidly activate the release of nutrients cured by the soil and prevent the newly applied nutrients from being cured by the soil, thus effectively improving nutrient utilization.

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