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Calcaire dolomitique pulvérisé Pro-Select - 22,7 kg

Prix habituel $29.84
Prix habituel Prix promotionnel $29.84
Frais d'expédition calculés à l'étape de paiement.
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Description

La chaux dolomitique pulvérisée Oldcastle Pro-Select est un amendement du sol à base de calcaire dolomitique pour les pelouses et les jardins, conçu pour corriger le pH du sol et l'acidité du sol afin que les plantes puissent accéder plus efficacement aux nutriments.

Cette chaux de jardin est un produit calcaire fin et pulvérisé, conçu pour un amendement simple du sol lorsque vous travaillez avec un sol acide. En aidant à neutraliser l'acidité, elle favorise un environnement plus équilibré dans la zone racinaire et peut améliorer la disponibilité globale des nutriments dans le sol. C'est un choix pratique pour les jardiniers et les gestionnaires de gazon qui souhaitent un matériau de chaulage fiable et de qualité professionnelle sans compliquer leur programme d'entretien du sol.

Étant un calcaire dolomitique, il apporte également les éléments secondaires calcium et magnésium, deux nutriments sur lesquels de nombreux sols comptent pour une structure solide et un développement végétal régulier. Le calcium joue un rôle clé dans la structure du sol et la fonction racinaire, tandis que le magnésium soutient les processus végétaux fondamentaux liés à une croissance verte saine. Ensemble, ces avantages font de la chaux dolomitique pulvérisée Oldcastle Pro-Select une option solide lorsque vous visez une performance plus stable de votre plan de fertilisation existant, en particulier dans les zones où l'acidité peut freiner les plantes.

Oldcastle Pro-Select est positionné comme un amendement économique pour sols acides qui offre néanmoins des résultats professionnels pour le gazon et les aménagements paysagers ornementaux. Il est souvent choisi pour une large couverture des pelouses et des jardins où une correction cohérente du pH du sol est importante sur le long terme, et où les cultivateurs souhaitent un apport calcaire naturel qui s'intègre proprement dans les routines d'entretien du sol standard. Si vous avez observé des signes d'acidification de votre sol, comme une vigueur réduite, une croissance inégale ou des difficultés à maintenir des performances constantes, ce type de calcaire dolomitique pulvérisé est un moyen ciblé de ramener le sol à une plage plus exploitable.

Couche de faits : il s'agit d'un produit calcaire dolomitique, constitué de carbonates de calcaire associés au calcium et au magnésium (y compris le carbonate de calcium et le carbonate de magnésium). Ce sont ces minéraux carbonatés qui fournissent l'action de chaulage et l'apport de calcium et de magnésium qui distingue la chaux dolomitique de la chaux calcique.

Ce produit convient parfaitement aux cultivateurs et aux paysagistes qui recherchent une chaux pour pelouse et jardin axée sur la correction du pH du sol, la neutralisation de l'acidité du sol et l'apport de calcium et de magnésium, en particulier dans les installations extérieures basées sur le sol où le conditionnement à long terme du sol fait partie de l'objectif.

Avantages du produit : Stade végétatif ; Stade de floraison ; Intérieur ; Extérieur ; Arrosage régulier ; Sol ; Hors-sol ; Biologique ; Soutien de l'acidité du sol ; Meilleure absorption des nutriments ; Zone racinaire équilibrée ; Apport de calcium ; Apport de magnésium ; Soutien de la structure du sol ; Performance constante ; Format poudre facile.

Analyse garantie : Calcium (Ca) : 20,0 % ; Magnésium (Mg) : 10,0 % ; Valeur neutralisante (CaCO3) : 90,0 % ; Finesse passe au tamis Tyler de 10 Mesh : 99,0 % ; Finesse passe au tamis Tyler de 100 Mesh : 42,0 %.

Dérivé de : Dolomite.

How To Use

How to Use Dolomitic Limestone With a Basic Soil pH Tester

Check your soil pH first
Use your soil pH tester in a few spots (not just one). Soil pH can vary across a lawn or garden bed, so taking multiple readings gives you a more reliable average.

Decide if you actually need to raise pH
If your pH is already in a good range for what you’re growing, you may not need to add anything. If your pH reads too acidic, this type of soil amendment is typically used to gently move pH upward over time.

Apply a small amount first (don’t try to “fix it” in one shot)
Because a basic pH tester doesn’t calculate an application rate, the best method is gradual adjustment:
Spread a light, even layer over the area (or mix a small amount into potting mix for containers).
Avoid heavy piles or thick coverage in one spot.

Water in and wait
Water helps move it into the root zone and begins the soil change process. pH adjustment isn’t instant—soil takes time to respond.

Re-test later, then adjust if needed
After it has had time to work, re-test your soil pH again:
If the pH is moving in the right direction but still low, you can repeat a light application.
If the pH has reached a healthy range, stop and maintain.

Avoid over-correcting
Raising pH too much can create new nutrient issues. The “apply a little and re-test” method keeps your garden in the safe zone and helps you dial in results over time.

Best practices for different gardening uses

Lawns
Apply evenly using a spreader for consistent coverage.
Re-test in different spots before re-applying.

Garden beds & raised beds
If you’re prepping a bed, mixing into the top layer gives more consistent results.
If plants are already growing, apply lightly to the surface and water in.

Containers & potting mix
Mix thoroughly through the potting mix (don’t leave it layered).
Adjust slowly and re-test—containers can change pH faster than outdoor soil.

Warnings & Safety

Warning – Important Safety Information

This product may cause mild skin irritation and eye irritation. Avoid unnecessary contact with skin, eyes, and clothing. Use only as directed.

General safety precautions

Read and follow all instructions on the product label and any accompanying documentation before use. Keep out of reach of children and pets. Do not ingest. Avoid breathing vapours, mist, or dust that may be generated during handling or use.

Wear appropriate personal protective equipment (PPE), such as protective gloves, long sleeves, long pants and closed-toe footwear. When there is a risk of splashing or airborne particles, use safety glasses or other suitable eye and face protection.

First aid – skin contact

IF ON SKIN OR HAIR: Remove contaminated clothing immediately. Rinse skin with clean water for several minutes, then wash with mild soap and water. If irritation or redness develops and persists, seek medical attention. Wash contaminated clothing before reuse.

First aid – eye contact

IF IN EYES: Rinse cautiously with clean water for several minutes, keeping eyelids open. Remove contact lenses if present and easy to do. Continue rinsing. If irritation persists, obtain medical advice.

First aid – ingestion and inhalation

IF SWALLOWED: Rinse mouth thoroughly with water. Do not induce vomiting unless instructed by a medical professional. Seek medical attention if you feel unwell.

IF INHALED: Move the person to fresh air and keep them comfortable for breathing. If coughing, breathing difficulty, dizziness or other symptoms occur, seek medical assistance.

Storage and handling

Store this product in its original closed container, in a cool, dry and well-ventilated area. Protect from extreme temperatures and direct sunlight. Keep container tightly sealed when not in use.

Avoid release to drains, natural waterways or outdoor soil. Dispose of unused product and empty containers in accordance with local regulations and the directions on the label.

Important: If medical advice is needed, keep the product label or container available. Always follow the specific instructions and safety recommendations provided by the manufacturer. This safety notice is intended as general guidance and does not replace official label directions or documentation.

Derived From

Frequently Asked Questions

Why is calcium important for plant growth?

Calcium is important because it builds and stabilizes plant cells as they form, acting as the structural support that keeps new growth strong and functional. Unlike other nutrients that drive color or speed of growth, calcium’s role is unique because it controls cell wall strength and membrane stability, making it essential for healthy roots, shoots, and long-term plant resilience rather than quick visual results.

Why is neutralizing value (CaCO3) important in plant growing?

Neutralizing value (CaCO3) is important because it tells you how strongly a material can neutralize acidity and stabilize root-zone pH, which directly controls nutrient availability and healthy root function—and it’s unique because it measures long-term acid-neutralizing capacity, not just a single pH reading.

What does dolomite do for plants in the root zone?

Dolomite gently raises and stabilizes pH while supplying calcium and magnesium, helping roots absorb nutrients more consistently and supporting strong new growth and greener leaves. It’s unique because it buffers acidity and feeds two key minerals at the same time, unlike materials that only change pH or only provide a single nutrient.

What are common signs of magnesium deficiency in plants?

A classic sign is yellowing between the leaf veins (often called interveinal chlorosis), usually starting on older leaves first. In more advanced cases, leaves may look pale, weak, or begin to decline as the plant struggles to maintain healthy growth.

What does “passes 10 mesh” mean for a garden soil amendment?

It means the material is processed to a more uniform particle size, which helps it spread more evenly, mix into soil more consistently, and perform more predictably across garden beds, lawns, and planting areas.

What does “passes 100 mesh” mean and why do gardeners care?

It indicates a portion of the material is very finely processed, which increases surface area—often helping the amendment begin working sooner in the soil and creating faster, more noticeable improvements in the root zone.

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