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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Calphos Soft Rock Phosphate (25 lb bag)Boost soil fertility and support strong root development with Calphos Soft Rock Phosphate, a natural source of phosphorus and calcium. This finely ground mineral powder provides essential nutrients that promote vigorous plant growth, improve flowering, and enhance fruit and vegetable production. Ideal for natural gardening, Calphos releases nutrients slowly over time, ensuring long term benefits for soil health. Phosphorus plays a crucial role in
Boost soil fertility and support strong root development with Calphos Soft Rock Phosphate, a natural source of phosphorus and calcium. This finely ground mineral powder provides essential nutrients that promote vigorous plant growth, improve flowering, and enhance fruit and vegetable production. Ideal for natural gardening, Calphos releases nutrients slowly over time, ensuring long-term benefits for soil health.
Phosphorus plays a crucial role in energy transfer, root establishment, and bloom formation, while calcium strengthens cell walls and improves overall plant resilience. For a deeper understanding of phosphorus's impact on plant health, you might find our article on How to Use Fertilizers—Soft Rock Phosphate insightful.
Calphos Soft Rock Phosphate can be applied before planting or used as a top dressing throughout the growing season. For specific guidance on phosphorus application for bulbous plants, refer to our blog post What Phosphorus is Right For Your Bulbs?
Key Benefits:
- Averages 20% P2O5 (3% immediately available), 18% Calcium
- Use at 5 lb per 100 square feet or 1 ton per acre on phosphate-deficient soils, less on fertile soils
- Trees and perennials in vegetable gardens for flowering plants, use 1-10 lb per planting hole, depending on plant size
- Supplies phosphorus (P) and calcium (Ca) for up to 5 years after application, depending on the crop
- Provides calcium for strong cell structure and plant resilience
- Improves soil microbial activity and reduces nutrient loss
Improve soil structure and encourage abundant plant growth with Calphos Soft Rock Phosphate. This natural mineral fertilizer provides essential nutrients that help plants establish deep roots, produce vibrant blooms, and yield high-quality fruits and vegetables.
Learn More About Soil Health and Fertilization:
- How to Use Fertilizers—Soft Rock Phosphate
- What Phosphorus is Right For Your Bulbs?
- How to Use Fertilizers—Rock Dust
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Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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