{"product_id":"sonnenerde-bio-schwarzerde-20l","title":"Sonnenerde Organic Black Soil 20L (Terra Preta)","description":"\u003ch2\u003eSonnenerde Organic Black Soil 20L – Terra Preta Ready-to-Use Soil for Raised Beds \u0026amp; Garden Soil\u003c\/h2\u003e\n\u003cp\u003eIf you want to \u003cstrong\u003esustainably improve\u003c\/strong\u003e your soil without constant re-fertilization, \u003cstrong\u003eSonnenerde Organic Black Soil (20 liters)\u003c\/strong\u003e is one of the most exciting options on the market. Developed based on the \u003cstrong\u003eTerra Preta\u003c\/strong\u003e model, this soil combines \u003cstrong\u003eorganic compost\u003c\/strong\u003e, \u003cstrong\u003eorganic biochar\u003c\/strong\u003e, and mineral components to create a substrate that \u003cstrong\u003ebuffers nutrients very well\u003c\/strong\u003e, \u003cstrong\u003eactivates soil life\u003c\/strong\u003e, and simultaneously improves \u003cstrong\u003ewater retention\u003c\/strong\u003e – ideal for \u003cstrong\u003eraised beds\u003c\/strong\u003e, \u003cstrong\u003evegetable beds\u003c\/strong\u003e, and soil improvement in open ground.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTerra Preta Principle\u003c\/strong\u003e: stable nutrient binding \u0026amp; long-term soil fertility\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePeat-free\u003c\/strong\u003e: no peat, instead with organic compost \u0026amp; biochar\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eHigh water retention capacity\u003c\/strong\u003e: helpful in warm locations \u0026amp; with irregular watering\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eActive soil life\u003c\/strong\u003e: supports humus buildup \u0026amp; natural nutrient supply\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eSuitable for heavy feeders\u003c\/strong\u003e: e.g., vegetable and fruit plants in beds\/raised beds\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eWhat exactly is \"Organic Black Soil\"?\u003c\/h3\u003e\n\u003cp\u003e“Riedlingsdorfer Black Soil” (Organic Black Soil) is a ready-to-use soil specifically designed to create a \u003cstrong\u003elow-loss soil system\u003c\/strong\u003e. The mixture of \u003cstrong\u003eorganic compost\u003c\/strong\u003e, \u003cstrong\u003eorganic biochar\u003c\/strong\u003e, \u003cstrong\u003erock dust\u003c\/strong\u003e, \u003cstrong\u003ebrick grit\u003c\/strong\u003e, \u003cstrong\u003eloamy sand\u003c\/strong\u003e, and \u003cstrong\u003ehorn meal\u003c\/strong\u003e ensures a \u003cstrong\u003econtinuous nitrogen supply\u003c\/strong\u003e (via the horn meal) and a \u003cstrong\u003emore even nutrient release\u003c\/strong\u003e over a long period.\u003c\/p\u003e\n\u003ch3\u003eApplication – how to get the most out of it\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eRaised beds \u0026amp; open ground:\u003c\/strong\u003e Use black soil as a nutrient and humus \"engine.\" For root vegetables, a \u003cstrong\u003e20–30 cm layer\u003c\/strong\u003e is often a good guideline.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eContact with subsoil:\u003c\/strong\u003e If possible, always use it so that the soil has \u003cstrong\u003econtact with the subsoil\u003c\/strong\u003e (soil life then works significantly better).\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMulch layer is mandatory (really):\u003c\/strong\u003e Permanently cover the surface with organic material (e.g., grass clippings, leaves, shredded shrub cuttings). This stabilizes moisture, feeds microorganisms, and keeps the structure loose.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eWatering:\u003c\/strong\u003e Keep evenly moist, but avoid waterlogging. Due to the biochar, the soil retains water well – nevertheless: it's better to water \u003cem\u003ecalmly and thoroughly\u003c\/em\u003e than \"a sip every day.\"\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eTips \u0026amp; Tricks from Practice\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eFor containers \u0026amp; large pots:\u003c\/strong\u003e Black soil works particularly well in large planters. For delicate young plants, it may be advisable to grow them in milder soil for the first few weeks and then transplant them.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eTop-Dressing instead of re-fertilizing:\u003c\/strong\u003e If you want to replenish after a long time, work a thin layer of organic material into the top (e.g., \u003ca href=\"https:\/\/vetter-grow.de\/products\/biobizz-worm-humus-40-liter\"\u003eBioBizz Worm-Humus 40L\u003c\/a\u003e) and then mulch again.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eKeep the soil \"alive\":\u003c\/strong\u003e Do not let it dry out and do not constantly dig it up. Soil life loves peace, air pores, and even moisture.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAutomatic watering:\u003c\/strong\u003e Especially for raised beds or many containers, a system saves time and stress – check out our \u003ca href=\"https:\/\/vetter-grow.de\/collections\/bewasserung\"\u003ewatering solutions\u003c\/a\u003e.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAvoid mistakes:\u003c\/strong\u003e High-salt\/mineral fertilizer applications are often counterproductive in such systems. If you work organically, the soil remains more stable in the long term.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eGoes well with (internal recommendations)\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003ca href=\"https:\/\/vetter-grow.de\/collections\/toepfe\"\u003ePots \u0026amp; Planters\u003c\/a\u003e – for container cultivation, fabric pots \u0026amp; clean drainage\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003ca href=\"https:\/\/vetter-grow.de\/collections\/erde\"\u003eFurther Soils \u0026amp; Substrates\u003c\/a\u003e – for mixing or for propagation\/lighter setups\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003ca href=\"https:\/\/vetter-grow.de\/products\/biobizz-worm-humus-40-liter\"\u003eBioBizz Worm-Humus 40L\u003c\/a\u003e – for refreshing \u0026amp; as a soil booster\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003ca href=\"https:\/\/vetter-grow.de\/products\/plagron-mega-worm-25-liter\"\u003ePlagron Mega Worm 25L\u003c\/a\u003e – worm humus upgrade for more soil activity\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003ca href=\"https:\/\/vetter-grow.de\/collections\/florganics\"\u003eFlorganics (Living Soil \u0026amp; Fertilizers)\u003c\/a\u003e – organic system alternatives\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eScope of delivery\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e1× \u003cstrong\u003eSonnenerde Organic Black Soil\u003c\/strong\u003e – \u003cstrong\u003e20 Liter Bag\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ – frequent questions about Sonnenerde Organic Black Soil\u003c\/h3\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo I need to fertilize additionally with black soil?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eIn many setups, \u003cstrong\u003eno regular re-fertilization\u003c\/strong\u003e is necessary because the mixture is designed for long-term nutrient supply and buffering. Depending on the crop, location, and season, a gentle top-dressing (e.g., with worm humus) may make sense later on.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs the soil more for raised beds or also for pots?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe classic application is \u003cstrong\u003eraised beds\/open ground\u003c\/strong\u003e. It also works very well in \u003cstrong\u003elarge containers\u003c\/strong\u003e – ensure good drainage and even moisture. For very small pots or delicate propagation, a milder starter soil might be more practical.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eI see white fungal growth – is that bad?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eNo. \u003cstrong\u003eWhite fungal growth\u003c\/strong\u003e can occur due to the biological decomposition of organic components (e.g., horn meal) and is usually a sign of \u003cstrong\u003eactive soil biology\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat layer height is sensible?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThat depends on the application. For root vegetables, \u003cstrong\u003e20–30 cm\u003c\/strong\u003e is often recommended. In raised beds, you can also use the soil in a greater layer thickness – covering it with organic material is important.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow do I best store the bag?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eCool, dry, and protected from direct sunlight. It's best to reseal opened bags well so that the structure and moisture do not suffer unnecessarily.\u003c\/p\u003e\n\n\u003c\/details\u003e\n\u003ch3\u003eProduct Data\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eContent:\u003c\/strong\u003e 20 Liters\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eItem weight:\u003c\/strong\u003e approx. 17.0 kg\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eComponents (according to manufacturer's specifications):\u003c\/strong\u003e Organic compost, organic biochar, rock dust, brick grit, loamy sand, horn meal\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eManufacturer Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSonnenerde GmbH\u003c\/strong\u003e\u003cbr\u003eOberwarter Strasse 100\u003cbr\u003e7422 Riedlingsdorf\u003cbr\u003eAustria\u003cbr\u003eE-Mail: \u003ca href=\"mailto:office@sonnenerde.at\"\u003eoffice@sonnenerde.at\u003c\/a\u003e\u003c\/p\u003e","brand":"Sonnenerde","offers":[{"title":"Default Title","offer_id":52552746467594,"sku":null,"price":24.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/5700\/0202\/files\/sonnenerde-bio-schwarzerde-20l-terra-preta-fertigerde-hochbeet-freiland.png?v=1770955293","url":"https:\/\/vetter-grow.de\/en\/products\/sonnenerde-bio-schwarzerde-20l","provider":"Vetter Grow","version":"1.0","type":"link"}