Description
Natural 3-in-1 Source of Potassium, Magnesium, and Sulfur for Balanced Plant Nutrition
Down To Earth Langbeinite (Sul-Po-Mag) – 5 lb is a naturally mined mineral fertilizer that delivers a balanced combination of potassium (K), magnesium (Mg), and sulfur (S) in one easy-to-use product. OMRI Listed® for organic gardening, this versatile amendment supports overall plant health, nutrient balance, and improved crop quality.
Langbeinite is valued for its ability to supply these three essential nutrients without altering soil pH, making it an excellent choice for maintaining balanced soil conditions across a wide range of crops and growing environments.
Potassium plays a key role in fruit quality, water regulation, and overall plant vigor, while magnesium is critical for chlorophyll production and photosynthesis. Sulfur supports enzyme activity and nutrient metabolism, helping plants efficiently use available nutrients.
This naturally occurring mineral is suitable for vegetable gardens, fruiting crops, lawns, and ornamental plants, and integrates easily into organic soil programs and fertility plans.
Key Features
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3-in-1 nutrient source: Potassium, Magnesium, and Sulfur
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Naturally mined mineral fertilizer
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OMRI Listed® for organic use
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pH neutral—won’t significantly alter soil pH
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Easy to apply granular form
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Suitable for a wide range of crops and soil types
Benefits
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Supports fruit development and crop quality
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Promotes healthy photosynthesis and chlorophyll production
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Enhances enzyme activity and nutrient utilization
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Helps maintain balanced soil fertility
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Ideal for organic gardening programs
Ideal Uses
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Vegetable gardens
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Fruit trees and berry plants
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Lawns and turf
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Flower beds and ornamentals
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Soil building and organic amendments
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