Soil Minerals and Soil Prescriptions for Organic Gardeners

New for 2020: 2 New Ingredients!

New: A few years ago we added high-CGS Paramagnetic Basalt to increase soil energy and natural Nitrate of Soda from the Atacama Desert of Chile for increased Nitrogen availability in cold soils. For 2020 we are introducing High-Nitrogen Indonesian Bat Guano and Super Greensand from Brazil.

Our resident rose expert, Ann Diaz, has long asked for a little more soluble Nitrogen in the mix. This guano,from insect-eating bats, is not only high in Nitrogen, but it has at least 50 other trace elements from the Indonesian archipelago.

Jersey Greensand (from ancient seabed deposits in New Jersey) has long been a popular source of Potasssium, Iron, and trace elements for organic growers. The Inversand mine near Mantua NJ has for decades been the sole working greensand (glauconite) mine in the US,but in 2016 the site was sold to Rowan University. Glauconite deposits are known for having large amounts of fossils from the cretaceous (dinosaur) era. Rowan U will develop the old mine as a place to educate the public about fossils and train Rowan students in paleontology.

With the sole working greensand mine in the US shut down, where are growers going to get greensand? It turns out that Brazil was ready to step in and supply what was needed. The Cerrado Verde mine is located in the heart of Brazil's prime agricultural area. The deposit contains billions of tons of glauconite that only needs to be dug up, crushed, and milled.

What makes this "Super Greensand"? Jersey Greensand has a total potash (K2O) content of around 6%. Super Greensand's potash content is 10%. In addition it is a good source of Magnesium, Iron, Manganese and, importantly, an excellent source of soluble, plant available Silicon. It is also a soil conditioner, improving drainage in heavy soils and adding cation exchange capacity, while providing at least 68 minerals and trace elements.

We are very happy to welcome these two new additions to Agricola's 4-8-4. They bring our number of wide spectrum trace mineral ingredients to seven: Two from the oceans of today (kelp meal and fish bone meal), two from the mineral deposits of the North American continent (glacial rock dust and Tennessee brown phosphate), one from an ancient lake in what is now New Mexico (humate ore), and now guano from insectivorous bats in Indonesia and Super Greensand from Brazil.

Here's a bit more detail on what we have combined in this powerful product:

Ocean Fish Bone Meal: This fish bone meal averages 16% to 20% readily available phosphate, along with highly soluble Calcium and all of the trace minerals naturally found in the oceans.

Tennessee Rock Phosphate: The famous Tennessee Brown phosphate. Unlike most mined phosphate sources Tennesse Brown phosphate is highly reactive and highly available. Total phosphate content runs from 21 to 27%. The number 8 in 4-8-4 stands for phosphate, but we are only counting the 6.6% soluble P2O5 shown as readily available in independent lab tests. The total phosphate content of 4-8-4 is considerably higher and will build long-term soil reserves of P. Tennessee Brown phosphate also contains more than 50 trace elements.

Granulated Feather Meal: Chicken feathers contain 12% Nitrogen in a form that breaks down and becomes available slowly and gradually in the soil. You will never "burn" a plant with this form of N, and its slow release can feed your plants all the Nitrogen they need for a full season. Our feather meal has been processed to be stable, sterile, and practically odorless.

KMag (also known as Sul-Po-Mag or Langbeinite): A natural Potassium-Magnesium-Sulfur complex that supplies these essential plant and animal nutrients in a readily available form. 22% Sulfur, 22% potash (K2O), 11% Magnesium.

Natural Potassium Sulfate: This is the natural-mined form, from the Great Salt Lake in Utah. Contains 50% potash (K2O) and 17% Sulfur.

NEW Chilean Nitrate of Soda: From the Atacama desert of Chile, the only known source of naturally occuring nitrate in mineral form. Unlike ammonia Nitrogen from animal or vegetable sources, Nitrate N is readily available to plant roots in cold soil.

Humate Ore: From the Chaco Canyon area of New Mexico. The source of this amendment is ancient vegetation from a vast inland sea that once covered much of the southwestern US. High in trace minerals and humic and fulvic acids, humate ore raises the soil's exchange capacity and helps bring Oyxgen and "life force" to deeper soil layers. A powerful stimulant for beneficial soil microbes.

Azomite tm : The "A to Z of Minerals Including Trace Elements" is where Azomite got its name. Its source is layer of volcanic ash in Utah that spent millions of years absorbing trace minerals from an ancient sea.

Atlantic Kelp Meal: From the cold nutrient-rich waters of the North Atlantic Ocean. A good source of Iodine and Potassium as well as most of the other 92 naturally occurring elements. Also contains growth stimulants that powerfully affect terrestrial plants.

Jersey Greensand: From the original New Jersey greensand mines, another ancient marine deposit. Great source of highly available Potassium, high in Iron and more than forty other essential minerals. Update 2017: We have been informed by our supplier that the famous Jersey Greensand deposit has been mined out and is no longer available. We will continue to include it in Agricola's 4-8-4 as long as we have it in stock, while looking for a suitable replacement.

Glacial Rock Dust: Freshly ground from the glacial moraines left behind in the Pacific NW USA at the end of the last Ice Age. Contains a mix of minerals swept up from a vast area.

NEW Paramagnetic Basalt: From Ontario, Canada, a highly paramagnetic basalt rock, freshly crushed. 8,000-10,000 uCGS. Boosts seed sprouting, stimulates rapid growth and early maturity.

Iron, Manganese, Copper, Zinc and Boron: A perfectly balanced blend of these essential minerals from purified sources.

MycoApply® Endo/Ecto granular:  Beneficial fungi can increase nutrient uptake and water efficiency by ten times.  MycoApply Granular contains 9 species Endo- & 7 species Ecto-mycorrhizal fungi (30,000 Endo & 140 million Ecto Propagules per lb) along with 5 species of beneficial bacteria. The various fungi in MycoApply Endo/Ecto will adapt to your soil, with the ones that are best suited to your climate and garden becoming established.

All ingredients in Agricola's 4-8-4 are permitted for use in
Certified Organic production under the USDA NOP Organic Program. Agricola's 4-8-4 is on the allowed fertilizer list for use by organic growers certified by CCOF.

Rose "Gruess en Achen"

Agricola's 4-8-4 is not a high-production item; it is a boutique Artisan product made by hand in small 200 lb batches. Each of the 19 ingredients is individually measured and weighed for each batch in our workshop and then slow-mixed in a horizontal tumbler. After mixing, Agricola's 4-8-4 is hand-scooped from the tumbler and carefully weighed into individual bags.

Agricola's 4-8-4
3 lbs
= $24.00 Fertilize up to 120 sqft or 12 cubic feet of potting mix
10 lbs = $59.00 Fertilize up to 400 sqft or 40 cubic feet of potting mix
15 lbs = $79.00
Fertilize up to 600 sqft or 60 cubic feet of potting mix

Choose number of bags on next page.

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Price Includes USPS Priority Mail Shipping
USA Shipping Only

The One and Only
Agricola's 4-8-4
For Strong Healthy Plants

We believe this is the most potent, effective and highest quality slow-release organic fertilizer ever offered to the public.

Making a fertilizer this poweful, safe, and well-balanced has been a dream for years. The challenge was to combine exceptional levels of Nitrogen, Phosphorus, and Potassium, all from natural sources, with a full range of all the other major, minor, and trace nutrients and to do that using only USDA Organic approved ingredients.

It took until 2011 to find the right people to work with and the perfect ingredients to make it possible. With our new trial grounds and facilities in Southwest Louisiana, along with some new sources of soil amendments, we finally were able to put together this "dream fertilizer" and try it out. The results have been all we could have hoped for.

We have spared no expense in formulating Agricola's 4-8-4. Cost of ingredients was not considered, we only wanted the very best.

Q: What crops and plants is Agricola's 4-8-4 best for?

A: 4-8-4 is excellent for all garden vegetables, fruits, flowers, and landscape plants and trees. It provides all of the essential nutrients for roots, leaves, flowering and fruiting.

For best results in outdoor gardens 4-8-4 should be used at the rate of 1/2 to 1 cup per 10 row feet, well mixed into the soil in the bottom of the planting furrow.  5 lbs will feed 100-200 row feet.

For best results in container gardens mix 1/2 to 1 cup Agricola's 4-8-4 per cubic foot of potting mix. 5 lbs equals approximately 10 cups (2 cups per pound), enough for 10 to 20 cubic feet of growing mix. 

Testimonials from happy gardeners:

Winter cabbage crop grown by Gwen Kelly
Louisiana, USA

I purchased 15 lb of Agricola 4-8-4 and wanted to return my feedback after applying it in varying conditions. It's superb. Thanks. It has made a world of difference. My 15 indoor potted plants are kicking butt, too, from a teaspoon or tablespoon of 4-8-4. My 8 year-old philodendron in my inner flagstone patio is doubling in size now. Significant.....
JB, Oracle AZ

Darlene Parish put about a heaping tablespoon of Agricola's 4-8-4 in the parsely barrel. The parsley quickly filled the pot up and overflowed. Husband Gary Parish said it "just exploded"

A few tablespoons of Agricola's 4-8-4

Grown with Ag's 4-8-4

Survival Gardening

A rather dramatic word, survival, but some are taking the word seriously these days.  Worldwide the economy is on shaky footing and few of us know for sure what our income is going to be a couple of months from now, much less a year from now.  Many of us are hedging our bets by buying a little more food when we go grocery shopping, putting away some canned goods, dried beans etc.  Those more serious about being prepared for the uncertain future may have several months worth of food put away for their family, and those even more serious will have some garden seeds stored in a cool, dry, secure place.  I would encourage any or all of the above, and add one more: a full on mineral dense garden fertilizer.  If we end up wanting or needing to grow our own food, either because there isn't food in the grocery stores or it simply costs too much, fertilizer is going to be as necessary as seeds and a place to grow.  Few places in the world offer perfectly mineralized nutrient rich soil, and most of those places that do are already taken.  In a survival situation one will necessarily have to use whatever area is available for growing food, whether that be the backyard lawn, a vacant lot somewhere, or some large pots and wooden boxes on a patio.  It would be nice to know that wherever one found one's self needing to grow some food, regardless of the soil quality, the seeds they planted would sprount, grow rapidly, healthily, and contain all of the nutrients necessary not only for surviving, but for thriving; perhaps better quality produce than one has ever had before.

Fifteen pounds of Agricola's 4-8-4 is enough to fertilize 300 to 600 square feet of garden, or 30 to 60 cubic feet of potting mix, depending on the crop.  Some crops like carrots and parsnips don't need or want a highly fertile soil; others like onions, cabbage, squash or corn demand high fertility, thus the difference. A fifteen by twenty foot 300 square foot garden, if densely planted, well watered, and carefully tended, will easily provide enough produce for a family of four during the growing season.  Twice that much area will provide room to grow food to can, dry, and store for the winter months. These are minimums, and as they say "your own experience may vary", but it has been our experience that a fifteen by twenty foot space of highly fertile soil will grow an amazing amount of produce.

Fifteen pounds of Agricola's 4-8-4 takes up about as much room as an average shoe box.  Along with a good selection of garden seeds and a sturdy garden trowel or folding shovel, it would easily fit in a small backpack leaving room left over, or take up only a small amount of shelf space in a back closet.  Wouldn't it be good to know that whatever might happen, if you needed to grow your own food, you had all that you would need to grow the best food ever?


Agricola's 4-8-4
3 lbs
= $24.00 Fertilize up to 120 sqft or 12 cubic feet of potting mix
10 lbs = $59.00 Fertilize up to 400 sqft or 40 cubic feet of potting mix

15 lbs = $79.00
Fertilize up to 600 sqft or 60 cubic feet of potting mix

Please Choose Size

Price Includes USPS Priority Mail Shipping
USA Shipping Only

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