For serious gardeners that combat stressed and underperforming plants, ISO NPK Organic Plant Booster requires only a few applications to avoid another low yield harvest by unlocking natural growth stimulators for a bountiful garden of higher yielding fruits and vegetables. - - - ISO NPK is a unique liquid fertilizer formulation used to effectively manage plant stresses from drought, heat, cold, salinity, disease, and insects. Ready to use in seconds - no mixing required. Add directly to tank sprayer or spray bottle (included). - - - FOR BEST RESULTS: Apply to plants every 3-4 weeks during growing cycle. FOR VEGETABLES: Apply every 2-3 weeks after emergence. FOR TURF: Apply directly to turf in spring and fall. One (1) pint of ISO NPK cover 4,500 square feet.
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