{"product_id":"calphos-soft-rock-phosphate-25-lb-bag","title":"Calphos Soft Rock Phosphate (25 lb bag)","description":"\u003cp\u003eBoost 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.\u003c\/p\u003e\n\u003cp\u003ePhosphorus 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 \u003ca href=\"https:\/\/www.groworganic.com\/blogs\/articles\/how-to-use-fertilizers-soft-rock-phosphate\"\u003eHow to Use Fertilizers—Soft Rock Phosphate\u003c\/a\u003e insightful.\u003c\/p\u003e\n\u003cp\u003eCalphos 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 \u003ca href=\"https:\/\/www.groworganic.com\/blogs\/articles\/choose-the-right-phosphorous-for-your-bulbs\"\u003eWhat Phosphorus is Right For Your Bulbs?\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAverages 20% P2O5 (3% immediately available), 18% Calcium\u003c\/li\u003e\n\u003cli\u003eUse at 5 lb per 100 square feet or 1 ton per acre on phosphate-deficient soils, less on fertile soils\u003c\/li\u003e\n\u003cli\u003eTrees and perennials in vegetable gardens for flowering plants, use 1-10 lb per planting hole, depending on plant size\u003c\/li\u003e\n\u003cli\u003eSupplies phosphorus (P) and calcium (Ca) for up to 5 years after application, depending on the crop\u003c\/li\u003e\n\u003cli\u003eProvides calcium for strong cell structure and plant resilience\u003c\/li\u003e\n\u003cli\u003eImproves soil microbial activity and reduces nutrient loss\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImprove 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLearn More About Soil Health and Fertilization:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/blogs\/articles\/how-to-use-fertilizers-soft-rock-phosphate\"\u003eHow to Use Fertilizers—Soft Rock Phosphate\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/blogs\/articles\/choose-the-right-phosphorous-for-your-bulbs\"\u003eWhat Phosphorus is Right For Your Bulbs?\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/blogs\/articles\/how-to-use-fertilizers-rock-dust\"\u003eHow to Use Fertilizers—Rock Dust\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRelated Products:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/products\/calphos-soft-rock-phosphate-regular-powder-50-lb\"\u003eCalphos Soft Rock Phosphate (50 lb bag)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/collections\/fertilizer-growing-supplies\"\u003eBrowse our full selection of fertilizers and soil amendments\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":51432116256952,"sku":"F729","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/3856\/6328\/files\/FT729_Calphos_Soft_Rock_Phosphate_25lbs_w_gloves_a8ad7fff-6235-499e-ad13-df8b76b52a63.jpg?v=1775250815","url":"https:\/\/seedtime.us\/products\/calphos-soft-rock-phosphate-25-lb-bag","provider":"Seedtime Store","version":"1.0","type":"link"}