Top 10 Oyster Shell Fertilizer – Industrial & Scientific

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1. Down To Earth All Natural Fertilizers

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5 lb, Down to Earth Organic White Oyster Shell OMRI

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Down To Earth All Natural Fertilizers #ad - Ancient oyster shells are carefully harvested and then ground into small, medium and coarse particles, providing a sustained release of this valuable nutrient.

Calcium is very important to the biological processes of growing plants and aids in improving structure of soils and building optimum tilth. With 35% calcium, flower beds, oyster Shell is great for use on lawns, outdoor containers, vegetable gardens, trees, shrubs and row crops/acreage. All-natural and high-quality source of the essential plant nutrient calcium, helping prevent calcium deficiencies that can dimish plant development. Down to earth oyster shell is a five pound box of all natural fertilizer and is listed by the Organic Materials Review Institute OMRI for use in organic production.
BrandDown To Earth All Natural Fertilizers #ad
ManufacturerDown To Earth All Natural Fertilizers #ad
Height11 Inches
Length4 Inches
Weight5 Pounds
Width8 Inches
Part Number07884

2. Four Winds Trading

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Natural Crushed Oyster Shell with Calcium 4 lb

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Four Winds Trading #ad - Helps neutralize soil acidity. Wonderful amenity to any garden. All natural crushed oyster shell. Slowly releases calcium, a much needed nutrient.
BrandFour Winds Trading #ad
ManufacturerFour Winds Trading #ad
Height2 Inches
Length7 Inches
Weight4 Pounds
Width7 Inches

3. Old Cobblers Farm

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Oyster Shell Crushed 5lb. Bag by Old Cobblers Farm

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Old Cobblers Farm #ad - Oyster shell provides a long-lasting, steady release of nutrients to help regulate pH levels, improve fertilizer uptake, promote healthy cellular structure and enhance soil tilth.
BrandOld Cobblers Farm #ad
Weight5 Pounds

4. Coastal

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Oyster Shell Crushed 15lb. Bag by Coastal

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Coastal #ad - Use as a calcium source to promote strong eggshells. Pullet size crushed oyster shell 5 lb provides a good source of calcium that builds strong eggshells for your birds. Oyster shell provides a long-lasting, improve fertilizer uptake, steady release of nutrients to help regulate pH levels, promote healthy cellular structure and enhance soil tilth. Promotes strong eggshells. Oyster shell is also helpful in creating more active habitats for soil microbes in compost piles and worm bins. Contains pullet-sized crushed oyster shell and coral calcium. Heat-treated for purity.
BrandCoastal #ad
ManufacturerCoastal #ad
Weight5 Pounds
Part Number6634772

5. GS Plant Foods

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Micronutrients for Plants, Magnesium & Calcium for Plants 3-3-0 8 Pounds, Tomatoes, Flowers & Vegetables, Crab Shell Natural Fertilizer

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GS Plant Foods #ad - Micronutrients for plants play an important role in growth, maturation, the yield of the plant, and more. Easy to apply for natural great results: gs plant foods crab shell is a super easy to use fertilizer for plants. This calcium plant food provides a range of necessary nutrients and minerals including Calcium and Magnesium.

Promotes healthy root systems: gs plant foods crab shell contains powerful, and flowers is a superior blend that can be applied in your gardens, healthier plant, enabling growth and nutrient uptake. Our plant food fertilizer products are easy to use, no matter what you're growing or what medium in which your plants are growing. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Naturally slow release action will begin to eliminate calcium and magnesium deficiencies. Natural slow release fertilizer: gs plant foods organic crab shell is a fantastic natural slow release fertilizer that is beneficial for all plants including tomatoes, flowers, vegetables, healthy root systems.

Whatever you add gs plant Foods Crab Shell to will benefit greatly from our high-quality organic plant fertilizer. High in calcium, and other important organic nutrients. Crab shell chips give an element for roots to engage with, magnesium, which extend to look for water and nutrients such as nitrogen, AND OTHER NUTRIENTS: GS Plant Foods Organic Crab Shell is high in Calcium, carbon, Magnesium, potassium, and phosphorus so that the plants can continue to produce and grow. Apply 5-10 lbs per 1000 sq ft.
BrandGS Plant Foods #ad
ManufacturerGS Plant Foods #ad

6. Neptune's Harvest

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4 lb, Neptune's Harvest Crab & Lobster Shell

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Neptune's Harvest #ad - It will also help with nematode and fungus problems. Crab shell can be applied in combination with Neptune's Harvest Kelp Meal to increase organic matter and retain moisture in the soil. Crab & lobster Shell will keep your lawn healthy and green. Neptune's harvest organic crab & lobster shell is an excellent dry organic source of NPK 5-3-0, calcium 17 % and magnesium 1%.
BrandNeptune's Harvest #ad
ManufacturerNeptunes Harvest #ad
Height4 Inches
Length7 Inches
Weight4 Pounds
Width6 Inches
Part NumberCS 604
ModelCS604

7. Soil Sunrise

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Gardening Soil Amendment for Plants, Oyster Flour Soil Conditioner 8 Quarts

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Soil Sunrise #ad - Benefits: provides high calcium carbonate and many micronutrients. Ingredients: 100% oyster flour for horticultural use. Size: 8 quarts enough for a big 12-inch pot. Uses: soil conditioner / additive, chicken feed, nutrient supplement, and much more. Pamper your plants: all-natural; no additives or chemicals perfect for indoor / outdoor container gardening.
BrandSoil Sunrise #ad
ManufacturerSoil Sunrise #ad
Height2 Inches
Length12 Inches
Weight2 Pounds
Width14 Inches
Part NumberSSKIT176

8. Down To Earth All Natural Fertilizers

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Down to Earth Organic Crab Meal Fertilizer Mix 4-3-0, 5 lb

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Down To Earth All Natural Fertilizers #ad - A by-product of the pacific northwest Dungeness crab harvest that is great for use with vegetable gardens, containers, trees, flower beds, shrubs and row crops/acreage. Carefully blended from organic nutrients in the ideal proportions without the use of synthetics, growth stimulants or low quality fillers.

Down to earth crab meal is a five pound box of fertilizer with 4-3-0 formula and is listed by the Organic Materials Review Institute OMRI for use in organic productioneal is a five pound box of fertilizer with 4-3-0 formula and is listed by the Organic Materials Review Institute OMRI for use in organic production.

Premium quality ingredients help provide an effective and environmentally friendly approach to plant care, crop fertilization and soil management. An all purpose fertilizer that also contains 14% calcium that is a great source of organic nutrients for vegetable gardens, fied crops and flower beds and is wonderful for building soil tilth.
BrandDown To Earth All Natural Fertilizers #ad
ManufacturerHawthorne Hydroponics, LLC #ad
Height10.8 Inches
Length3.5 Inches
Weight5 Pounds
Width8 Inches
Part NumberHGC723678
ModelGL56723678

9. ESVK

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And Soil| Made in USA 3 lb, Gardening, ESVK Natural Ground Powder Oyster Shell, 3 Pound Pack of 1 | Calcium Supplement for Plants

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ESVK #ad - Natural powder/ground Oyster Shells - 3 LB Pack of 1. Made up of 100% Oyster Shells. Great calcium supplement for Plants, Lawn-care, Gardening, and Soil. Made in USA. Easy to use & Store Packaging.
BrandESVK #ad
ManufacturerWKDVA #ad
Weight3 Pounds
Part NumberP

10. Garden Naturals

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Garden Naturals, 5 Pounds All Natural Crushed Oyster Shells for Poultry Birds and Gardens

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Garden Naturals #ad - Full of calcium. Works great in poultry feed. Pure and Scent Free. Promotes strong Egg Shell for Layers. Comes in heat sealed heavy duty bag.
BrandGarden Naturals #ad
ManufacturerGarden Naturals #ad
Weight5 Pounds