‘Super Soil’ is a blend of soil and amendments to create a growing medium with enough nutrients for the life cycle of the plant that you are growing. Some super soil recipes require you to compost or cook your new soil for 4 to 6 weeks. This allows the amendments and minerals to break down and allows your soil to create its own beneficial bacteria. Making your own super soil has many benefits including cost and the ability to reuse your soil over several gardening cycles. Below you will find several recipes for different types of ‘super soil’.
New ‘Super Soil’ Recipe by TGA – Makes ~12 ft3
- 8 – 1.5 ft3 bags of high quality base soil
- 1 – 33lb. bag of Worm Castings
- 2.5 lbs. Fish Bone Meal
- 5 lbs. High Phosphorus Bat Guano
- 5 lbs. Blood Meal
- 2.5 lbs. Bone Meal
- 3 cups. Oyster Shell
- 3 cups. Kelp Meal
- 3 cups Alfalfa Meal
- 3/4 cup Epsom Salt
- 1 cup Dolomite Lime
- 2 cups Azomite
- 2 TBS powdered Humic Acid
Original ‘Super Soil’ Recipe by TGA – Makes ~12 ft3
- 8 – 1.5 ft3 bags of high quality base soil organic potting soil with Mycorrhizae
- 1 – 25-50lb. bag of Worm Castings
- 5 lb. Steamed Bone meal
- 5 lb. Bloom Bat Guano
- 5 lb. Blood meal
- 3 lb. Rock Phoshate
- ¾ cup Epsom Salt
- ½ to 1 Cup Dolomite Lime
- ½ Cup Azomite
- 2 tbs. Powdered Humic Acid
- 15% Vermicompost
- 15% Compost
- 30 – 40% Sphagnum Peat Moss or Homemade Leafmold
- 20 – 30% Small Lava Rock, Perlite, Buckwheat hulls, rice hulls etc. something for aeration
- 5 -15% Topsoil (You can skip this if you are unsure of the quality of your topsoil)
* Don’t worry about being exact, just get a good mix together and lightly moisten it all and add your soil amendments and then let sit for 2-4 weeks before planting into it. You can mix it up on a tarp and then wrap it up in the tarp until it’s ready or you can scoop it all into a trashcan or just simply into a huge pile in the garden. with all these premium ingredients it would be bests to keep this soil mixed up and covered. This will allow it to heat up and break down any of the ingredients that require more composting before you plant into it.
Used Soil Recipe
- 40 gallons used soil
- 4 cups alfalfa meal
- 4 cups bone meal
- 4 cups kelp meal
- 4 cups powdered dolomite lime
- 30 pound bag of earthworm castings . . .
- 4 cups of Greensand
- 4 cups of Rock Phosphate
- 4 cups of diatomaceous earth
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Tips For Building Your Own Soil
pH in organic gardening is not as big of an issue as it is when gardening with synthetic nutrients and other mediums.
In organics, you settle most pH issues in the growing medium or soil. A growing medium rich in humates (humus) is the best place to start. Humates are a natural buffer for most amendments or additive supplements that you may be adding to your medium throughout the cycle.
Humates come from compost, worm castings, and bottled humus. If you use a peat based medium, you can use dolomite lime to raise the pH of the acidic peat. Dolomite should be used in any soil or soilless medium to provide magnesium and calcium. But since we are talking about pH here, I’ll mention dolomite lime’s pH correction benefits.
A medium of coir has a pH near neutral (or 7.0). But humates are still needed to allow uptake of organic nutrients that are outside a near neutral pH range.
An active medium rich in humates you can pour in nutrients like Pure Blend Pro, Earth Juice and guano teas way outside the optimum pH range without worry. The hummus will allow the nutrients to be taken up through the roots, even at such an extreme pH reading.
So throw those pH meters away folks and enjoy the ease and safety of organic gardening.
Chlorine tap water
Just a word of caution for you organic gardeners out there…
If you are using municipal water supply that uses chlorine to kill bacteria in the water, it’ll do the same thing to the beneficial bacteria and living ecosystem that is your organic soil/growing medium.
The best way to improve your water and remove additives in your water supply is to fill a 5-gallon bucket, place an air stone connected to an air pump and aerate the water for a full 24 hours before using it in your garden.
A lot of work at first
When you first make the commitment to start creating your own soil or super soil it can seem like a lot of work. Once you have completed your first batch, it is smooth sailing so long as you have made enough.
You can continue to reuse your soil and ‘recondition’ it with each season. You can also improve your old soils using one of our organic compost tea recipes. Happy gardening!
Original Super Soil Recipes