Ferticell™ Organic Fertilizers: Organic Listed, Plant and Mineral Derived. Ferticell™ focuses on well balanced, bio-available soluble and liquid NPK fertilizers and micronutrients. Ferticell™ nutrients are formulated to meet the needs of plants and soil at all stages of growth. RMBA is proud to offer an array of Ferticell™ products that promote growing with Biological... Beyond Organic® practices.