Minerals

Mineral
20 Mule Team Borax Solubor® DF
Soluble borate for fluid fertilizers and nutrient sprays. Boron is essential for all stages of tree growth and fruit set. Powder mixes easily in any spray solution. read more

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Mineral
NPK: 0-0-50. The most economical source of available potassium! read more

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Mineral
Aragonite
From oyster shells, not pulverized rock. Aragonite is even lower than calcitic lime in magnesium, so it's the ideal choice for soils with excessive magnesium. read more

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Mineral
AZOMITE®, Field Grade Natural Trace Minerals
Contains over 67 minerals beneficial to plants and animals. A mix or particle sizes. Lots of powder, but still less dusty than Micronized Azomite. read more

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Mineral
AZOMITE®, Granulated Natural Trace Minerals
Contains over 67 minerals beneficial to plants and animals, including rare earth elements. read more

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Mineral
BrixBlend Basalt
A paramagnetic stone powder for remineralizing and enhancing general foundational soil fertility. read more

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Mineral
Natural phosphorus source. Adequate phosphorus results in more vigorous early root formation, better flower and seed production, better growth in cold temperatures, and better water use efficiency. read more

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Mineral
Granite Meal
Contains about 5% potassium in very slow-release form. Can be added to the soil in large amounts without altering the pH. Greatly enhances soil structure and promotes healthier plants. read more

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Mineral
Gypsum, Pelletized
A good source of calcium when the soil pH is already at a desired level. read more

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Mineral
Hum-Amend Max
A powerful soil restoration amendment! Supports plant health and increases yields by facilitating roots’ uptake of plant nutrients and water. Improves levels of carbon and humus. read more

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Mineral
K-Mag Granular Trio 0-0-22
A good source of immediate potassium for depleted soil and of magnesium where calcium is abundant. Alliums like its sulfur and potatoes like its quick boost of potassium. read more

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Mineral
Micronutrients Liquid Calcium
Calcium helps strengthen plants’ cell walls, improving crop quality, disease resistance and storage capacity. Can help prevent problems like blossom end rot and bitter pit. read more

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Micronutrients Liquid Copper currently on backorder, ETA 9/1
Copper is necessary for efficient photosynthesis and respiration and affects the sugar content and flavor of produce. Contains 4% chelated copper derived from copper sulfate. read more

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Mineral
Micronutrients Liquid Iron
Iron is essential for chlorophyll development and function, and is also involved in nitrogen fixation by legumes. Contains 5% chelated iron derived from ferrous sulfate. read more

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Micronutrients Liquid Manganese currently on backorder, ETA 9/1
Manganese helps plants to synthesize chlorophyll and is used in electron transport during photosynthesis. Contains 1% nitrogen from vegetable protein and 5% chelated manganese. read more

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Mineral
Micronutrients Liquid Zinc low stock
Zinc is a component of auxin, an essential growth hormone, and is also necessary for proper root development. Improves cold tolerance. Contains 7% zinc derived from zinc sulfate. read more

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Mineral
Monterey Epsom Salts
Magnesium is a building block of chlorophyll and therefore essential to efficient photosynthesis. May boost yields significantly, especially for roses and tomatoes. read more

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Mineral
Phosphate, Tennessee Brown Rock
Recommended by soil gurus Phil Callahan and Mark Fulford. Lowest concentration of heavy metals of any phosphate source. Concentrations of available phosphate were regularly over 6% when tested. read more

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Mineral
Pro Pelleted Calcitic Limestone
The most common and most frequently used soil conditioner. also called Hi-Cal lime. Recommended for soils with excess magnesium. read more

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Mineral
The least expensive liming agent. Use to sweeten soil (raise pH) and provide calcium where excess magnesium is not a problem. read more

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Mineral
Tiger Organic 90CR Sulfur
Agricultural Sulfur. Use to make soil pH more acidic. Often helpful for both lowbush and highbush blueberries, and for potatoes. Lowering the pH of gravel paths will help control weed growth. read more

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Mineral
Wollastonite
Silicon is linked to improved yields, especially recommended for cannabis, orchard crops, cucurbits, sweet corn, grains and forage crops. Also helps build resistance to powdery mildew. read more

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Mineral
ZeoMax Garden Aid
Zeolites can improve the productivity of any texture of soil, improving water and mineral retention in sandy soils and improving aeration and minimizing compaction in heavier soils. read more

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