Bio 1-Component Soil is House & Garden's organic-based, one-part fertilizer for soil amended with lime. It’s also the base nutrient of choice for gardeners that prefer to have full control over the calcium levels in their feed. Bio 1-Component Soil contains the necessary minerals and nutrients needed for desirable results in both the vegetative and flowering stages. Formulated specifically for soil containing lime, Bio 1-Component Soil contains no added calcium, which must be added as needed, depending on the particular type of garden and growth stage. The liquid formulation is 100% water soluble and its unique composition provides key nutrients required for vigorous growth, from the root to the foliage, and also for flowers and fruit sets.