Terre Primale Verte Gaia - 40 litres

They are important because they improve root-zone biology, moisture balance, and nutrient availability in a gentle, steady way, helping plants grow stronger and more resilient without the harsh spikes that can happen with stronger nutrient sources—making them uniquely effective as both a soil builder and a biological booster.

Alfalfa meal is important because it supports steady, biologically driven growth instead of a quick spike, helping the root zone stay active so nutrient flow stays consistent. What makes it unique is that it can encourage stronger growth momentum while also feeding soil life, which helps plants stay vigorous and resilient when conditions are right.

Available phosphoric acid provides a fast-absorbing form of phosphorus that fuels root growth, energy transfer, and strong flowering. It becomes part of the plant’s total available phosphate supply, but the two terms are not the same—available phosphoric acid is one source of phosphorus, while available phosphate refers to the entire pool of plant-available phosphorus overall.

Azomite is best thought of as a soil mineral supplement because it’s mainly used to add a broad range of trace minerals that help plants use their main nutrients more efficiently over time. It’s important because trace minerals support enzyme activity, root function, and overall resilience, and it’s unique because it focuses on mineral diversity rather than delivering a big, fast dose of primary nutrients.

Basalt rock dust is used to slowly build mineral diversity and soil stability so plants can grow with fewer nutrient swings and stress problems over time. It’s unique because it works through gradual weathering and soil biology rather than giving a quick, strong nutrient hit like fast fertilizers do.

Biochar acts like a long-lasting storage and habitat material in the root zone, helping soil hold water and nutrients more evenly while keeping better airflow for roots. It’s important because it can make plants more resilient to watering and feeding swings, and it’s unique because it’s not a fertilizer or compost substitute, but a stable, porous carbon structure that buffers the whole soil environment over time.

Blood meal can be very good for plants when they truly need nitrogen because it releases nitrogen faster and more strongly than many other organic ingredients, helping pale, slow plants turn greener and grow new leaves quickly. It’s different because it’s highly concentrated, so small overapplications can cause burn, overly soft growth, and imbalances that reduce flowering or fruiting later.

Bone meal is best used before or at planting to support strong roots and steady flowering support because it releases phosphorus and calcium slowly as soil biology breaks it down. It’s unique because it isn’t a quick fix, so timing and soil conditions matter more, and overuse can create long-term imbalances that block micronutrient uptake.

Coconut coir is important because it holds water while still keeping roots oxygenated, creating a more stable root zone that supports faster, healthier growth, and it’s unique compared to similar media because it combines soil-like moisture buffering with more controllable, predictable nutrient and drainage behavior.

Compost supports plant growth by building a healthier root zone, improving water retention and drainage at the same time, and helping nutrients stay available in a steadier, more buffered way. It’s unique because it’s a finished, stabilized organic material that works mainly by improving soil structure and biology, not by delivering a fast “spike” like many other organic inputs.

Feather meal supplies slow-release nitrogen that supports steady green growth over time, especially once roots and soil microbes are active. It’s unique because plants can’t use it immediately the way fast nitrogen sources work, so it’s best for building a long-term baseline rather than fixing a sudden deficiency overnight.

Fir bark keeps potting soil more open and breathable, improving drainage while still holding a thin usable moisture film for roots, which makes it different from ingredients that mainly add nutrition or fine water-holding texture.

Fishbone meal slowly supplies phosphorus and calcium that help roots expand and build stronger plant structure over time, which makes it unique compared to fast nutrients that spike quickly and fade. This steady release supports long-term stability while reducing sudden feeding swings that can lead to stress and imbalances.

Perlite is important because it increases root-zone oxygen and improves drainage, helping roots stay healthy and active; it’s unique because its main benefit is physical structure and airflow—not nutrients or moisture storage—so it fixes “too wet and compact” root problems in a simple, predictable way.

Soluble potash (K2O) is important because it helps plants control water use, move sugars to new growth and fruit, and build stronger, higher-quality structure under stress. It’s unique from many other nutrients because it acts more like a regulator and transport helper than a direct “building material,” so the biggest benefits show up as steadier growth, stronger stems, and better finishing instead of just bigger leaves.

Total Nitrogen is important because it directly drives leafy growth, chlorophyll production, and overall growth speed, which sets the pace for the entire plant. It’s unique because the “total” number can include different nitrogen forms that behave differently in the root zone, meaning the same total amount can produce very different results depending on the nitrogen type and plant stage.

It acts as a long-lasting root-zone buffer that helps hold and release charged nutrients more smoothly, reducing nutrient swings and improving efficiency, and it’s unique because it stays stable and predictable instead of breaking down quickly like many other carbon inputs.

Glacial rock dust slowly replenishes a broad range of trace minerals in the root zone, helping plants run key growth processes more efficiently and stay more resilient over time. It’s unique because it’s a long-term, diverse mineral support rather than a fast, single-nutrient fix, so it helps prevent recurring imbalance symptoms instead of just masking them.

Greensand is not a fast fix because its potassium releases slowly as the mineral weathers in the root zone, so it works best for long-term stability rather than immediate correction. Its uniqueness is that it builds a steady potassium and trace-mineral reserve while also helping the soil hold nutrients more evenly, which can reduce future imbalances.

Gypsum is important because it supplies calcium and sulfur while improving soil structure, helping roots breathe and water soak in more evenly, and it is unique because it does this without significantly raising soil pH like lime-based calcium sources.

Insect frass is unique because it supports plants in two ways at once: it offers mild, steady nutrition while also delivering chitin-related signals that can help “prime” the root zone and plant defenses. That combination makes it especially valuable for building resilience and consistency, not just pushing fast growth like many stronger inputs.

Kelp meal supports balanced growth and stronger roots by gently enhancing root-zone biology and helping plants handle stress more smoothly than fast-acting inputs, making it unique as a steady “support” amendment rather than a quick nutrient fix.

Limestone flour gently raises acidic soil pH while supplying calcium, which helps roots access nutrients more smoothly and supports strong new growth. It’s unique because it corrects the root-zone environment and feeds calcium at the same time, instead of only adding a nutrient or only changing pH.

Mined potassium sulfate supplies potassium for moving sugars and managing water, plus sulfate sulfur for building proteins and enzymes, so fruiting plants can fill, ripen, and firm up without adding extra nitrogen. It’s unique because it boosts potassium without chloride, helping quality and stress tolerance with less risk of salt sensitivity issues.

Mineralized phosphate provides slow-release phosphorus that steadily supports root development and the plant’s internal energy flow over time, making it especially useful for stable growth compared with fast phosphorus sources that act quickly but can be less steady in the root zone.

Oyster shell flour slowly releases calcium carbonate to buffer the root zone and help keep nutrient uptake steady over time, which makes it different from fast-acting calcium sources that work quickly but don’t stabilize pH for long. It’s important because stable root-zone conditions reduce pH swings that can trigger deficiency-like symptoms even when nutrients are present.

Peat moss is valuable because it holds moisture evenly and creates a gentle rooting environment, but it isn’t universal because it can stay too wet, compact over time, and naturally lowers pH. It’s most effective when balanced with airy materials so roots get oxygen, which is what makes it different from ingredients that mainly add structure without changing moisture and acidity as much.

Natural rock phosphate is different because it releases phosphorus slowly as the root zone and soil biology unlock it, so it builds long-term fertility instead of causing a fast nutrient spike. That slow, reserve-style supply is important because phosphorus drives root energy and flowering, and it also helps avoid the micronutrient imbalances that can happen when phosphorus is pushed too quickly.