PAR4® Natural Fertilizers and Minerals

Distributors of All-Natural Products for Building Healthy Soils

Bridgewell Agriculture's PAR4® family of products include protein meals, mineral products and homogenous complete natural fertilizers. PAR4® products are OMRI Listed and California Department of Food and Agriculture Organic Input Materials Program registered. Products are available in truckloads and pallet quantities with a full pallet load minimum.

PAR4® Products

PAR4® Alfalfa Meal 2.5-0-2.5

PAR4® Blood Meal 13-0-0

PAR4® Bone Meal 3-15-0

PAR4® Cottonseed Meal 5-2-1

PAR4® Crustacean Meal 4-0-0 +12(CA)

PAR4® Feather Meal 12-0-0

PAR4® Fish Bone Meal 4-14-0

PAR4® Fish Meal 9-4.5-0

PAR4® 2-14-0
Granulated Bone Meal

PAR4® 9-3-7
Granulated Natural Multi-Purpose
Fertilizer

PAR4® Greensand

PAR4® 1-0-2
Kelp Meal

PAR4® Prilled Calcium Sulfate

PAR4® 1-0-2 KELP MEAL

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PAR4 1-0-2 Kelp Meal (Ascophyllum nodosum) is sustainably harvested seaweed collected from North Atlantic waters. It is an organic plant food that provides natural nitrogen and potassium. The product feeds beneficial soil microbes and contributes to organic matter content in soils and soil mixes. What results is improved soil structure and reduced plant stress and improved resistance to pests and diseases. PAR4 1-0-2 Kelp Meal is easy to apply by incorporating into the soil, soil blends, by top dressing, or as an ingredient in compost or compost tea.

  • Environmentally friendly fertilizer, utilitzing a sustainable resource
  • Contains 1% Nitrogen and 2% Potash to assist healthy plant growth
  • Adds trace minerals, vitamins, and amino acids, stimulating plant growth and vigor
  • Promotes soil microbial activity which feed the soil and your plants
  • Applications: soil blends, compost, top dressing
  • Packaged in 50-pound bags
  • Sold in truckload and pallet quantities
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® 2-14-0 GRANULATED BONE MEAL

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This premium product is made with finely-ground bone meal combined with lignin, a natural, water soluble binder. The rendering process includes high heat which makes PAR4® 2-14-0 nearly free of pathogens and contaminants. The naturally occurring Nitrogen and Phosphorous are available to soil microbes and plants; the portion that is not immediately available releases slowly and has minimal impact on waterways and aquatic organisms. PAR4® granulated bone meal is consistently sized and suitable for use in soil blends, mixed with compost or top-dressed in containerized plants. It can be applied with conventional fertilizer equipment.

  • Natural source of nitrogen and phosphate, providing strong root systems and cell walls to all your plants
  • Easy to apply -- the uniform size makes hand application as easy as using conventional fertilizer equipment
  • Nearly dust free; replaces powdery, hard-to-handle bone meal and reduces your exposure to irritating dust particles
  • Soil test recommended before application. Make certain you are applying exactly what your soil needs
  • Applications: soil blends, compost, top dressing
  • Packaged in 50- and 2,000-pound bags
  • Sold in truckload and pallet quantities
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® 9-3-7 PROTEIN-BASED, GRANULATED NATURAL MULTI-PURPOSE FERTILIZER

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PAR4® 9-3-7 is a granulated, protein-based, multi purpose fertilizer with all essential elements for healthy plant growth. The nitrogen, derived from feather meal releases in concert with your plant's growth. As they grow faster, more nitrogen is available for uptake. Feather meal is rich in amino acids, the critical building blocks of proteins and strong cell walls. Meat and bone meal supply phosphorous. Potassium sulfate is the potash source. Together these key elements are responsible for fruit and flower development and preventing diseases such as blossom end rot on tomatoes and peppers. PAR4® 9-3-7 is easily applied with conventional fertilizer equipment, blended into soil mixes and compost or top-dressed.

The organic components stimulate microbial activity in your soil, allowing for a healthy soil ecosystem to flourish, providing nutrient cycling. Since the nutrients release over time and are consumed by microorganisms as well as the plants, you don't need to fertilize as often. The complete formulation means that you can fertilize with PAR4 9-3-7 and be confident that your plants are getting a total package of nutrients.

  • Contains feather, blood, meat and bone meals plus potassium sulfate
  • Consistently sized granules; avoid irritating dust
  • 9% Nitrogen, 3% Phosphorous and 7% Potash
  • No manure or compost
  • Low in heavy metals
  • Nitrogen releases in tune with the plant's need
  • Requires fewer applications than manure-based fertilizers
  • Applications: soil blends, compost, top dressing
  • Soil test recommended before application - make sure you are applying exactly what your soil needs
  • Packaged in 50- and 2,000-pound bags
  • Sold in truckload and pallet quantities
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® 12-11-2 100% PERUVIAN SEABIRD GUANO FERTILIZER

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PAR4® 12-11-2 Peruvian Seabird Guano is a highly sought after natural fertilizer. Prior to the development of synthetic nitrogen fixation, seabird guano was so valuable as a crop fertilizer that wars were fought over it. PAR4® 12-11-2 Peruvian Seabird Guano is a non-pelletized material of fine consistency. It contains no fillers, no antioxidants, no dust suppressants and no pH adjusters. It is 100% guano.

The International Control Union Certification (Peruvian S.A.C) verifies the guano is free of bacteria and viruses harmful to plants, animals and humans. PAR4 Seabird Guano contains 12% nitrogen in the ammonium and urea forms resulting in rapid and slow availability. It also contains 11% phosphorous and 2% potash. As with all natural fertilizers, PAR4 Seabird Guano feeds the soil food web. Can be incorporated into the soil prior to planting, top-dressed around new or existing plants, added to compost or soil mixes or brewed into tea for foliar application.

  • Contains only seabird guano
  • 12% nitrogen, 11% phosphorous and 2% potassium
  • Long, successful history of use
  • Packaged in 44-pound bags
  • Sold in truckload and pallet quantities
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® 13-0-0 GRANULATED NATURAL NITROGEN FERTILIZER

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Recognized as a safe alternative to synthetic, man-made nitrogen fertilizers, PAR4® 13-0-0 contains feather meal, meat meal and blood meal. Granulated for ease of handling and blending with other fertilizers, it is a naturally slow-release nitrogen fertilizer which stimulates soil microbial populations. PAR4® 13-0-0 can be applied as is, blended into compost, soil mixes or with granulated fertilizers. Acceptable for use in organic growing, gardening and sustainable farming, the environmental impact of this product on ground water is minimal.

  • Granulated for ease of use - reduces irritating dust and enhances uniform distribution
  • Easy to apply - no mess
  • Slowly releases nitrogen - giving your plants a full season of lush growth while supporting healthy soil microbes
  • Applied with conventional fertilizer equipment
  • Soil test recommended before application
  • Packaged in 50- and 2,000-pound bags
  • Sold in truckload and pallet quantities
  • Dealer referral offered for less than minimum quantities

PAR4® 12-0-0 Granulated Natural Nitrogen Fertilizer also available in 50- and 2,000-pound bags.

Downloads & Documentation

 

PAR4® GREENSAND

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PAR4® Greensand (glauconite) is a naturally occurring iron-potassium silicate used to remineralize soil. Long used in sustainable agriculture, PAR4® Greensand provides essential trace elements, including silicon, to help loosen hard soils, bind sandy soils, and contribute to plant health - strengthening the plants ability to withstand disease and insect attack. Finely ground so over 70% passes through a #100 screen, nutrients are rapidly utilized by the plant.

  • Good source of trace elements providing plants with essential nutrients
  • Good source of silicon, providing you with stronger, more resistant plants
  • Loosens hard soils - saving time and labor
  • Binds sandy soils which enhances water and nutrient retention
  • Helps feed soil microbe populations, which in turn, feed your plants
  • Applications: soil mixes and compost
  • Packaged in 50-pound bags
  • Sold in truckload and pallet quantities
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® PROTEIN MEALS: ALFALFA MEAL 2.5-0-2.5

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PAR4® Alfafa Meal builds organic matter in the soil which contributes to improved moisture retention and soil tilth while feeding beneficial microbes. PAR4 Alfalfa Meal is lightweight and easy to incorporate into organic fertilizer blends, soil mixes or compost. It can be used as a top dressing or worked into the soil. The low carbon-to-nitrogen ratio makes alfalfa meal an effective compost bio-activator.

  • Packaged in 40- and 2,000- pound bags
  • Sold in truckload and pallet quantities
  • Custom protein meal blends offered
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® PROTEIN MEALS: BLOOD MEAL 13-0-0

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A natural source of nitrogen, blood meal is ideal for promoting lush and green vegetative growth. The high nitrogen is rapidly available, making it ideal for heavy feeders, such as leafy greens, corn, brassica crops, tomatoes, peppers. Blood meal should be incorporated into the soil prior to planting or worked into the soil around existing plants. It will lower the acidity of the soil pH and can be used to help correct alkaline soils. Blood meal lasts for 6 to 8 weeks in the soil.

  • Packaged in 40- and 2,000- pound bags
  • Sold in truckload and pallet quantities
  • Custom protein meal blends offered
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation


 

PAR4® PROTEIN MEALS: BONE MEAL 3-15-0

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A great source of phosphorus with a long history of efficacy as an organic fertilizer. It has long been recommended for flowering bulbs and root crops, such as carrots, parsnips, turnips and potatoes, and is ideal for providing a continual source of phosphorus and calcium up to 4 months. Bone meal contributes to building strong cell walls, root and shoot growth. Incorporate into the soil prior to planting or around the base of existing plants.

  • Packaged in 50- and 2,000- pound bags
  • Sold in truckload and pallet quantities
  • Custom protein meal blends offered
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation


 

PAR4® PROTEIN MEALS: COTTONSEED MEAL 5-2-1

Cottonseed meal has a long history as a natural fertilizer. Derived from plant material rather than animal byproducts, it is perfect for vegan gardening. Acidic in nature, PAR4® Cottonseed Meal is ideal for feeding acid-loving plants such as azaleas, camellias, rhododendrons, and blueberries. Due to its slow release time, it is safe to use liberally and will not burn even young plants. The high organic content of cottonseed meal improves soil texture, builds soil humus, and stimulates soil bacteria.

  • Packaged in 50- and 2,000- pound bags
  • Sold in truckload and pallet quantities
  • Custom protein meal blends offered
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® PROTEIN MEALS: CRUSTACEAN MEAL 4-0-0 +12(CA)

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A natural source of nitrogen, calcium plus chitin, crustacean meal is a superb organic fertilizer and builds soil tilth. The chitin stimulates beneficial soil microorganisms and is an excellent compost bio-activator. Work crustacean meal into the soil, add directly to the planting hole, or just water it in around the garden. The calcium is valued for building strong cell walls and roots and for preventing tomato blossom end rot.

  • Packaged in 40- and 2,000- pound bags
  • Sold in truckload and pallet quantities
  • Custom protein meal blends offered
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation


 

PAR4® PROTEIN MEALS: FEATHER MEAL 12-0-0

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Made from hydrolyzed, ground feathers, PAR4 Feather Meal is an excellent source of protein and slow-release nitrogen. Feather meal is a slow-release organic fertilizer for vegetables, flowers and trees, releasing over a period of several months. Perfect for plants that require a consistent dose of nitrogen for the growing season. Feather meal will enhance vegetative growth, improve soil structure and is a compost bio-activator.

  • Packaged in 40- and 2,000- pound bags
  • Sold in truckload and pallet quantities
  • Custom protein meal blends offered
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® PROTEIN MEALS: FISH BONE MEAL 4-14-0

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A marine based alternative to regular bone meal, fish bone meal is relatively high in nitrogen and phosphorus. Fish bone meal may be used for all stages of a plant's life cycle. Great for vegetable gardens, flowering plants, tomatoes and peppers, even in compost piles.

  • Packaged in 50- and 2,000- pound bags
  • Sold in truckload and pallet quantities
  • Custom protein meal blends offered
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® PROTEIN MEALS: FISH MEAL 9-4.5-0

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An excellent year-round fertilizer and soil builder, PAR4® Fish Meal is high in nitrogen and phosphorus. Fish meal feeds soil microorganisms and stimulates healthy roots and shoots. It releases nutrients over 1 to 2 months and is non-burning. Use fish meal on heavy feeders such as leafy greens and corn, even turf.

  • Packaged in 50- and 2,000- pound bags
  • Sold in truckload and pallet quantities
  • Custom protein meal blends offered
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation

 

PAR4® PRILLED CALCIUM SULFATE (GYPSUM)

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PAR4® Prilled Calcium Sulfate (Gypsum) starts with premium quality, finely ground, mined material combined with lignin sulfonate, a water-soluble binding agent used to promote fast prill breakdown after application. PAR4® Prilled Calcium Sulfate (Gypsum) supplies plant-available sulfate sulfur plus calcium, nutrients which are essential for soil and plant health without affecting soil pH. Calcium is vital for the strength and resilience of cell walls, root growth and stress tolerance. It can be used to counteract excessive amounts of sodium and magnesium in soils.

  • Energize your soil with vital nutrients
  • Non-toxic, non-corrosive and non-flammable
  • Prilled for clean, nearly dust free applications
  • Available in two prill sizes: Standard (260 SGN) and Mini (125 SGN)
  • Applications: fertilizer blends or conventional use
  • Packaged in 50-pound, 1000-pound, 2000-pound bags and bulk truckloads
  • Sold in truckload and pallet quantities
  • Dealer referral offered for less than minimum quantities

Downloads & Documentation