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1 in Fedco Seeds
Amendments and Fertilizers
Minerals
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Mineral
Tiger Organic 90CR Sulfur
8249 Agricultural Sulfur. 90% elemental sulfur, 10% bentonite clay. Use to lower soil pH (make it more acidic). Often helpful for both lowbush and... read more |
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Mineral
Fertoz Organic Granulated Rock Phosphate Fertilizer
8250 (0-6-0, up to 25% total P, plus at least 30% Ca and 10% SiO2. Natural phosphorus source from mines in British Columbia, Montana, and Mexico. Apply... read more |
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Mineral
Gypsum, pelletized
8204 (Calcium Sulfate CaSO4•2H2O, 21% Ca, 16% S) Gypsum is a good source of calcium when the pH is already at a desired level. The sulfur in gypsum... read more |
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Mineral
K-Mag Granular Trio 0-0-22
8237 (10.8% Mg, 22% S) Langbeinite is a marine deposit of potassium sulfate and magnesium sulfate in soluble form. A good source of immediate potassium... read more |
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Mineral
Micronutrients Liquid Manganese
8244 Manganese helps plants to synthesize chlorophyll and is used in electron transport during photosynthesis. Manganese availability may be limited by... read more |
Plant Protection and Pest Control
Fungicides
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Fungicide
Micronized Sulfur
8684 Used to control scab, powdery mildew and leafspot. Sulfur is not water soluble; the smaller the particle the better it stays in suspension. These... read more |
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Fungicide
THAT™ Liquid Sulfur
8690 (52% S) Takes the prize for Most Infuriating Product Name—try asking the warehouse crew “Have you seen the THAT?” But we keep it around because it... read more |
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Safer® Garden Fungicide
out-of-stock
8687 A liquid concentrate for home gardens, 12% elemental sulfur, a natural fungicide. Use for control of leaf spot, rust and powdery mildew on house... read more |
Amendments and Fertilizers
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Amendments and Fertilizers
Soil Testing & Organic Fertilizer Recommendation Service
8194 Don’t guess—test! Applying fertilizers and soil amendments without the guidance of a professional soil test is like driving downtown with your... read more |
Plant-based
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Plant-based
Kelp Meal - Organic
8263 Kelp Meal for feeding to livestock or amending soil. Livestock: Kelp is an excellent source of iodine and vitamin A and provides lower ... read more |
Planting Mixes
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Planting Mix
3G Greener Garlic Grower
8317 (approx. 3-3.5-3.5, plus sulfur) By popular demand, we designed a special Fedco mix to meet the nutrient requirements of garlic. 3G is about the... read more |
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Planting Mix
Blueberry Booster
8321 A blend of Granite Meal, K-Mag, sulfur, Tennessee brown rock, Penobscot Blend Compost & Peat, and Azomite. Brings down the soil pH and provides... read more |