{"title":"Phosphorus sources","description":"\u003cp\u003eRock phosphates, bone meal and biological phosphorus. Phosphate stays where it lands, so place it where the roots will be.\u003c\/p\u003e","products":[{"product_id":"fish-bone-meal","title":"Fish Bone Meal (phos\/calcium\/ nitrogen)","description":"\u003ch2\u003eFish Bone Meal (phosphorus, calcium, nitrogen)\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eFish Bone Meal is a ground fish bone fertiliser that supplies phosphorus and calcium, with some nitrogen and collagen. It suits soil building, potting mixes and a pre-flower top dress for medical cannabis, vegetables and fruit.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: single input amendment (ground fish bone)\u003c\/li\u003e\n\u003cli\u003eSupplier certificate on file: BioGro licence 5252. \u003ca href=\"\/pages\/organic-certificates#fish-bone-meal\"\u003eSee the certificate and its dates\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eAnalysis: 4% nitrogen, 29.5% phosphorus as P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e (12.9% elemental P), 25.1% calcium, 0.45% magnesium (United Fisheries certificate of analysis)\u003c\/li\u003e\n\u003cli\u003eUse for: phosphorus and calcium in soil mixes and potting media, and as a top dress before flowering\u003c\/li\u003e\n\u003cli\u003eRate: 8 kg (8 litres) per cubic metre of media, or 400 g (400 ml) per 50 litres\u003c\/li\u003e\n\u003cli\u003eBulk density: 8 litres of fish bone meal weighs about 8 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eFish Bone Meal is made from fish bone, dried and ground. Bone is mostly calcium phosphate, so the meal carries about two parts calcium to one part phosphorus by weight, plus the nitrogen and collagen left in the bone.\u003c\/p\u003e\n\u003cp\u003eThe analysis below is the United Fisheries certificate of analysis (ICP-MS) for the Calcium Fish Bone MCHC powder we sell. Nitrogen is worked out from the certificate protein figure (24.75% protein divided by 6.25).\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupplies phosphorus for energy transfer, root growth and flowering.\u003c\/li\u003e\n\u003cli\u003eSupplies calcium for cell walls and root tips.\u003c\/li\u003e\n\u003cli\u003eAdds a small amount of nitrogen (4%) as the bone protein and collagen break down.\u003c\/li\u003e\n\u003cli\u003eReleases slowly: the phosphorus in bone is not water soluble and becomes available as soil biology works on it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAnalysis\u003c\/h3\u003e\n\u003cp\u003eNPK = 4 - 29.5 - 0 (N, P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e, K\u003csub\u003e2\u003c\/sub\u003eO); elemental 4 - 12.9 - 0\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNitrogen (N): 4.0% (from 24.75% protein)\u003c\/li\u003e\n\u003cli\u003ePhosphorus (P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e): 29.47%\u003c\/li\u003e\n\u003cli\u003ePhosphorus (P, elemental): 12.86%\u003c\/li\u003e\n\u003cli\u003eCalcium (Ca): 25.14%\u003c\/li\u003e\n\u003cli\u003eMagnesium (Mg): 0.45%\u003c\/li\u003e\n\u003cli\u003eCollagen: 14.27%\u003c\/li\u003e\n\u003cli\u003eAsh: 68.0%\u003c\/li\u003e\n\u003cli\u003eMoisture: 1.9%\u003c\/li\u003e\n\u003cli\u003eMercury (Hg): 0.07 mg\/kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModified media or potting soil: 8 kg (8 litres) per cubic metre.\u003c\/li\u003e\n\u003cli\u003eSmaller batches: 400 g (400 ml) per 50 litres of media.\u003c\/li\u003e\n\u003cli\u003eSoil: a handful per plant at transplant or before budding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhosphate stays close to where it lands, so mix it through the root zone rather than leaving it on the surface.\u003c\/li\u003e\n\u003cli\u003eHigh soil phosphorus reduces how much a plant trades with mycorrhizal fungi. Test before adding more to a soil that is already high in Olsen P.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-43-phosphorus\"\u003ePhosphorus: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-45-calcium\"\u003eCalcium: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-17-phosphorus-mycorrhizae\"\u003eToo much P turns mycorrhizae down\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep sealed and dry.\u003c\/li\u003e\n\u003cli\u003eIf ingested, or if the product comes into contact with eyes or causes skin irritation, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e\n","brand":"Seacliff Organics","offers":[{"title":"2kg","offer_id":32583627702377,"sku":"SCOFIBM01.5KG","price":37.5,"currency_code":"NZD","in_stock":true},{"title":"4kg","offer_id":41557103673367,"sku":"SCOFIBM04KG","price":59.9,"currency_code":"NZD","in_stock":false},{"title":"25kg","offer_id":39957375713303,"sku":"SCOFIBM025KG","price":210.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/files\/SeacliffMockBags-FishBoneMeal1WM.jpg?v=1747707975"},{"product_id":"calphos-colloidal-soft-rock-phosphate","title":"Colloidal Soft Rock Phosphate (ACO Organic calcium phosphate)","description":"\u003ch2\u003eColloidal Soft Rock Phosphate (ACO Organic calcium phosphate)\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eColloidal Soft Rock Phosphate is a clay based calcium phosphate rock, a slow phosphorus and calcium source for living soil, compost and garden beds. It is not the same as hard rock phosphate: the colloidal clay form is finer and releases to soil life more readily.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: amendment (phosphorus and calcium)\u003c\/li\u003e\n\u003cli\u003eOrganic input status: ACO registered farm input 456AI (NTS). \u003ca href=\"\/pages\/organic-certificates#calphos-colloidal-soft-rock-phosphate\"\u003eSee the details and dates\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eAnalysis: 8 to 9% phosphorus (18 to 21% as P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e), 19.3% calcium, 15 to 26% silicon\u003c\/li\u003e\n\u003cli\u003eUse for: slow phosphorus and calcium in soil mixes, compost and beds\u003c\/li\u003e\n\u003cli\u003eRate: 130 g to 650 g per square metre, broadcast and incorporated\u003c\/li\u003e\n\u003cli\u003eCertification: ACO (Australian Certified Organic) input, as stated in the product name\u003c\/li\u003e\n\u003cli\u003ePack: bulk 500 kg and 1000 kg by quote\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eSoft rock phosphate is a colloidal clay based calcium phosphate, supplied by Nutri-Tech Solutions. It is not to be confused with regular (hard) rock phosphate. It carries 8 to 9% phosphorus (18 to 21% as P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e), 19.3% calcium, 15 to 26% silicon and a range of trace elements, and is part of our soil regeneration programme as a microbe friendly phosphorus source.\u003c\/p\u003e\n\u003cp\u003eBulk is available in 500 kg and 1000 kg quantities. Email store@seaclifforganics.nz for a quote.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhosphorus drives energy transfer in the plant (ATP), early root growth, flowering and seed set. A shortage shows as purple old leaves and slow, cold roots.\u003c\/li\u003e\n\u003cli\u003eAlmost none of the phosphorus is water soluble. Root acids and soil microbes release it over seasons, so it feeds the soil rather than spiking one crop.\u003c\/li\u003e\n\u003cli\u003ePhosphate binds to soil within millimetres of where it lands, so losses by leaching are small. That also means it needs to be mixed into the root zone, not left on top.\u003c\/li\u003e\n\u003cli\u003eThe calcium and silicon come along with the phosphorus: every amendment brings passengers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAnalysis\u003c\/h3\u003e\n\u003cp\u003eTypical analysis (Nutri-Tech Solutions), % by weight\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNitrogen (N) 0.00%\u003c\/li\u003e\n\u003cli\u003ePhosphorus (P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e) 20.62%\u003c\/li\u003e\n\u003cli\u003ePhosphorus (P, elemental) 9.00%\u003c\/li\u003e\n\u003cli\u003ePotassium (K\u003csub\u003e2\u003c\/sub\u003eO) 0.84%\u003c\/li\u003e\n\u003cli\u003ePotassium (K, elemental) 0.70%\u003c\/li\u003e\n\u003cli\u003eSulphur (S) 0.15%\u003c\/li\u003e\n\u003cli\u003eCalcium (Ca) 19.30%\u003c\/li\u003e\n\u003cli\u003eMagnesium (Mg) 0.46%\u003c\/li\u003e\n\u003cli\u003eSodium (Na) 0.00%\u003c\/li\u003e\n\u003cli\u003eIron (Fe) 2.00%\u003c\/li\u003e\n\u003cli\u003eSilicon (Si) 15 to 26%\u003c\/li\u003e\n\u003cli\u003eManganese (Mn) 1100 ppm\u003c\/li\u003e\n\u003cli\u003eZinc (Zn) 260 ppm\u003c\/li\u003e\n\u003cli\u003eCopper (Cu) 130 ppm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompost: 650 g or 500 mL per cubic metre.\u003c\/li\u003e\n\u003cli\u003eModified media and potting soil: 650 g to 3.5 kg, or 500 mL to 2.5 L, per cubic metre.\u003c\/li\u003e\n\u003cli\u003eModified media and potting soil: 32.5 g to 175 g, or 25 mL to 135 mL, per 50 L.\u003c\/li\u003e\n\u003cli\u003eSoil grown crops, broadcast and incorporate: 130 g to 650 g per square metre (1300 to 6500 kg per hectare).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eToo much phosphorus turns mycorrhizal fungi down: when phosphate is plentiful the plant winds the trade back. Dose to a soil test, not by habit.\u003c\/li\u003e\n\u003cli\u003eHigh phosphorus also blocks zinc uptake. Small leaves and bunched tips after a heavy phosphate dressing are the sign.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-43-phosphorus\"\u003ePhosphorus: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-66-phosphate-stays-where-it-lands\"\u003ePhosphate stays where it lands\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-17-phosphorus-mycorrhizae\"\u003eToo much P turns mycorrhizae down\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open the bag in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep sealed and dry.\u003c\/li\u003e\n\u003cli\u003eIf swallowed, or if the product gets into the eyes or irritates the skin, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e\n","brand":"Seacliff Organics","offers":[{"title":"500g","offer_id":40462328397847,"sku":"SCOCALPH500G","price":15.0,"currency_code":"NZD","in_stock":true},{"title":"2kg","offer_id":32469640183913,"sku":"SCOCALPH02KG","price":30.0,"currency_code":"NZD","in_stock":true},{"title":"4kg","offer_id":32469640216681,"sku":"SCOCALPH04KG","price":56.9,"currency_code":"NZD","in_stock":true},{"title":"20kg","offer_id":33030118899735,"sku":"SCOCALPH20KG","price":135.0,"currency_code":"NZD","in_stock":true},{"title":"1Ton","offer_id":32583609811049,"sku":"SCOCALPHTON","price":2999.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/files\/SeacliffMockBags-ColloidalSoftRock1WM.jpg?v=1747707970"},{"product_id":"biophos","title":"BioPhos","description":"\u003ch2\u003eBioPhos\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eBioPhos is a reactive phosphate rock fertiliser with a microbial inoculant, a slow organic phosphorus and calcium source for compost, soil mixes and garden beds. It suits growers who want phosphorus that stays in the root zone and is released by soil life over the season.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: fertiliser (phosphorus and calcium)\u003c\/li\u003e\n\u003cli\u003eOrganic input status: BioFert BioGro statement. \u003ca href=\"\/pages\/organic-certificates#biophos\"\u003eSee the details and dates\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eAnalysis: N 0, P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e 12.5% (5.5% elemental P), K\u003csub\u003e2\u003c\/sub\u003eO 0; calcium 33%, sulphur 1%\u003c\/li\u003e\n\u003cli\u003eUse for: phosphorus and calcium in compost, media and soil grown crops\u003c\/li\u003e\n\u003cli\u003eRate: 25 to 50 g per square metre, broadcast and incorporated\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eBioPhos is made by Pacific Biofert. The maker describes it as a phosphate rock inoculated with fungi and bacteria that help make the phosphorus plant available.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhosphorus drives energy transfer in the plant (ATP), early root growth, flowering and seed set.\u003c\/li\u003e\n\u003cli\u003ePhosphate binds to soil within millimetres of where it lands, so very little is lost to leaching. Mix it into the root zone rather than leaving it on the surface.\u003c\/li\u003e\n\u003cli\u003eEvery dose brings calcium, about 33 g per 100 g, so count it when you are balancing calcium from lime or gypsum.\u003c\/li\u003e\n\u003cli\u003ePhosphate rock releases slowly. Soil acids and microbes do the work, so it is a soil builder rather than a quick fix.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAnalysis\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhosphorus (P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e) 12.5%\u003c\/li\u003e\n\u003cli\u003ePhosphorus (P, elemental) 5.5%\u003c\/li\u003e\n\u003cli\u003eSulphur (S) 1.00%\u003c\/li\u003e\n\u003cli\u003eCalcium (Ca) 33.00%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompost: 1 to 2 kg, or 0.5 to 1 L, per cubic metre.\u003c\/li\u003e\n\u003cli\u003eModified media: 1 to 5 kg, or 0.5 to 2.5 L, per cubic metre.\u003c\/li\u003e\n\u003cli\u003eModified media: 50 to 250 g, or 25 to 125 mL, per 50 L.\u003c\/li\u003e\n\u003cli\u003eSoil grown crops, broadcast and incorporate: 25 to 50 g per square metre.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eToo much phosphorus turns mycorrhizal fungi down and blocks zinc. Dose to a soil test.\u003c\/li\u003e\n\u003cli\u003eDo not use BioPhos to chase calcium: every dose adds phosphorus. Use lime or gypsum for calcium on its own.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-43-phosphorus\"\u003ePhosphorus: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-66-phosphate-stays-where-it-lands\"\u003ePhosphate stays where it lands\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-17-phosphorus-mycorrhizae\"\u003eToo much P turns mycorrhizae down\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open the bag in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep sealed and dry.\u003c\/li\u003e\n\u003cli\u003eIf swallowed, or if the product gets into the eyes or irritates the skin, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e\n","brand":"Seacliff Organics","offers":[{"title":"2kg","offer_id":39570004705303,"sku":"BIOPHOS2kg","price":24.9,"currency_code":"NZD","in_stock":true},{"title":"4kg","offer_id":39570004082711,"sku":"BIOPHOS4kg","price":49.9,"currency_code":"NZD","in_stock":true},{"title":"10kg","offer_id":39570004115479,"sku":"BIOPHOS10kg","price":84.9,"currency_code":"NZD","in_stock":true},{"title":"25kg","offer_id":39570004148247,"sku":"BIOPHOS25kg","price":119.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/files\/SeacliffMockBags-Biophos1WM.jpg?v=1747707852"},{"product_id":"msr-micronised-soft-rock-phosphate","title":"MSR (Micronised Soft Rock Phosphate)","description":"\u003ch2\u003eMSR (Micronised Soft Rock Phosphate)\u003c\/h2\u003e\n\u003cp class=\"sc-lede\"\u003eMSR is micronised soft rock phosphate, a sedimentary rock phosphate ground to a very fine powder so it can be suspended in water and applied as a soil drench, a bloom booster or a foliar spray. It supplies phosphorus and calcium that soil microbes release over time.\u003c\/p\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eType: amendment (phosphorus and calcium, water suspendable powder)\u003c\/li\u003e\n\u003cli\u003eAnalysis: 21.00% phosphorus as P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e (9.16% elemental P)\u003c\/li\u003e\n\u003cli\u003eUse for: phosphorus and calcium in soil, media and foliar programmes\u003c\/li\u003e\n\u003cli\u003eRate: 1 to 4 g per 10 square metres, in water with constant agitation\u003c\/li\u003e\n\u003cli\u003eParticle size: no larger than 10 microns\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat it is\u003c\/h3\u003e\n\u003cp\u003eSoft rock phosphate is a sedimentary phosphate rock formed from the remains of ancient marine life. Beside phosphorus it carries calcium, magnesium and a range of trace minerals, which is why it is used to rebuild depleted soil rather than just feed one crop.\u003c\/p\u003e\n\u003cp\u003eThe process of micronisation refines MSR into particles no larger than 10 microns. They have a relatively large surface area and can be easily suspended in water. Once applied, microbes in the soil can solubilise the phosphate and reach the trace elements that come with it.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003ePhosphorus drives energy transfer inside the plant (ATP), early root growth, flowering and seed set. The calcium that comes with it in soft rock phosphate is useful in its own right for cell walls and fruit quality.\u003c\/p\u003e\n\u003cp\u003eSoil phosphorus sits in three pools: dissolved orthophosphate in the soil water, phosphate bound to calcium, iron and aluminium minerals, and organic phosphorus held in soil life and plant residues. Roots take up phosphorus almost entirely as dissolved orthophosphate (H\u003csub\u003e2\u003c\/sub\u003ePO\u003csub\u003e4\u003c\/sub\u003e\u003csup\u003e-\u003c\/sup\u003e and HPO\u003csub\u003e4\u003c\/sub\u003e\u003csup\u003e2-\u003c\/sup\u003e), so the bound and organic pools only become available as weathering, root acids and soil microbes release them. Micronising the rock speeds that release because the fine particles give microbes and root acids far more surface to work on.\u003c\/p\u003e\n\u003cp\u003eUsed as a soil amendment it supports germination, root growth and flowering through steady phosphorus and calcium supply, with the trace minerals as a bonus.\u003c\/p\u003e\n\u003ch3\u003eAnalysis\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhosphorus (P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e) 21.00%\u003c\/li\u003e\n\u003cli\u003ePhosphorus (P, elemental) 9.16%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFoliar application: 1 to 4 g per 10 square metres. Mix with enough water to cover the foliage, and keep the mix agitated so the product stays in suspension.\u003c\/li\u003e\n\u003cli\u003eAs a bloom booster: 0.25 to 0.5 g per 4 L of growing media, or 150 g per cubic metre of soil. Mix with water, apply to the soil surface and keep the mix agitated.\u003c\/li\u003e\n\u003cli\u003eSoil grown crops: 1 to 4 g per 10 square metres. Mix with water, apply to the soil surface and keep the mix agitated.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWatch out\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe powder settles fast. Keep it agitated in the tank or sprayer or the last pot gets the whole dose.\u003c\/li\u003e\n\u003cli\u003eToo much phosphorus turns mycorrhizal fungi down. Dose to a soil test.\u003c\/li\u003e\n\u003cli\u003eFoliar sprays go on with the lights off or in the cool of the day, both sides of the leaf, with a surfactant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearn more in fifteen seconds\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-43-phosphorus\"\u003ePhosphorus: what it does\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-17-phosphorus-mycorrhizae\"\u003eToo much P turns mycorrhizae down\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/soil-science#sc-31-foliar-feeding\"\u003eFoliars: fast fixes, then the soil\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHandling and storage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWear a mask to avoid inhaling particles and open the bag in a well ventilated area.\u003c\/li\u003e\n\u003cli\u003eWear gloves and eye protection, and wash hands after use.\u003c\/li\u003e\n\u003cli\u003eOnce opened, keep sealed and dry.\u003c\/li\u003e\n\u003cli\u003eIf swallowed, or if the product gets into the eyes or irritates the skin, rinse the area well and call the National Poisons Centre on 0800 POISON (0800 764 766).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping and returns\u003c\/h3\u003e\n\u003cp\u003eWe ship nationwide across New Zealand. Orders are usually dispatched within 1 to 2 business days and rural delivery can take longer. Unopened products can be returned within 30 days.\u003c\/p\u003e","brand":"Seacliff Organics","offers":[{"title":"2kg","offer_id":40392813019159,"sku":"SCOMSR2KG","price":45.0,"currency_code":"NZD","in_stock":true},{"title":"10kg","offer_id":40392813051927,"sku":"SCOMSR10KG","price":220.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9104\/0361\/files\/SeacliffMockBags-MSR1WM.jpg?v=1747707731"}],"url":"https:\/\/seaclifforganics.nz\/collections\/amendments-phosphorus.oembed","provider":"Seacliff Organics","version":"1.0","type":"link"}