{"product_id":"calphos-soft-rock-phosphate-5-lb-bag","title":"Calphos Soft Rock Phosphate (5 lb bag)","description":"\u003cp\u003eEnhance soil fertility and promote strong root development with \u003cstrong\u003eCalphos Soft Rock Phosphate (5 lb)\u003c\/strong\u003e, a natural source of phosphorus and calcium. This slow-release mineral fertilizer provides essential nutrients that support plant growth, improve flowering, and encourage fruit and vegetable production. Ideal for organic gardening, it gradually breaks down in the soil, supplying a long-lasting source of phosphorus without the risk of leaching.\u003c\/p\u003e\n\u003cp\u003ePhosphorus is a key nutrient for \u003cstrong\u003eroot establishment, energy transfer, and bloom development\u003c\/strong\u003e, making Calphos an excellent choice for root vegetables, fruiting plants, and flowering ornamentals. In addition to phosphorus, this soft rock phosphate contains calcium, which strengthens plant cell walls and contributes to overall plant resilience. Together, these nutrients support vigorous plant growth and improved yields.\u003c\/p\u003e\n\u003cp\u003eEasy to apply, Calphos Soft Rock Phosphate can be mixed into the soil before planting or used as a top dressing to provide continuous nourishment throughout the growing season. It is suitable for \u003cstrong\u003evegetable gardens, orchards, flower beds, and general soil improvement\u003c\/strong\u003e. The finely ground powder ensures efficient nutrient absorption, helping plants thrive in a variety of growing conditions.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich Nutrient Content:\u003c\/strong\u003e Averages 20% P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e (3% immediately available), 18% calcium.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlow-Release Formula:\u003c\/strong\u003e Provides phosphorus and calcium for up to 5 years after application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports Root Growth:\u003c\/strong\u003e Strengthens root systems and improves plant resilience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproves Soil Microbial Activity:\u003c\/strong\u003e Enhances beneficial bacteria for better soil health.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Nutrient Loss:\u003c\/strong\u003e Stays in the soil, minimizing runoff and maximizing plant uptake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Ideal for vegetables, trees, perennials, and general soil enrichment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Guidelines:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Use:\u003c\/strong\u003e Apply 5 lbs per 100 square feet or 1 ton per acre on phosphorus-deficient soils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrees \u0026amp; Perennials:\u003c\/strong\u003e Use 1-10 lbs per planting hole, depending on plant size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Planting:\u003c\/strong\u003e Mix into the soil for best nutrient absorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-Dressing:\u003c\/strong\u003e Apply around plants as a slow-release nutrient source.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor larger applications, \u003ca href=\"https:\/\/www.groworganic.com\/products\/calphos-soft-rock-phosphate-regular-powder-50-lb\"\u003eCalphos Soft Rock Phosphate is also available in a 50 lb bag\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eLearn More About Soft Rock Phosphate:\u003c\/h2\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\u003c\/ul\u003e\n\u003ch2\u003eRelated Products:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/products\/feather-meal-50-lb\"\u003eFeather Meal (50 lb)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/products\/bone-meal-3-15-0-50-lb\"\u003eBone Meal 3-15-0 (50 lb)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/products\/greensand-50-lb\"\u003eGreensand (50 lb)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.groworganic.com\/collections\/soil-amendments\"\u003eExplore our range of soil amendments\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":51728848453943,"sku":"F715","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/0325\/5607\/files\/F715_Calphos_Soft_Rock_Phosphate_5lbs_w_gloves.jpg?v=1772222872","url":"https:\/\/alluneedgardensupply.com\/products\/calphos-soft-rock-phosphate-5-lb-bag","provider":"All U Need Garden Supply ","version":"1.0","type":"link"}