• Biodynamic Barrel Compound Preparation (BC) Spray Preparation - The Josephine Porter Institute
  • Biodynamic Barrel Compound Preparation (BC) Spray Preparation - The Josephine Porter Institute
  • Biodynamic Barrel Compound Preparation (BC) Spray Preparation - The Josephine Porter Institute
  • Biodynamic Barrel Compound 50-unit bulk preparation
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The Josephine Porter Institute

Biodynamic Barrel Compound Preparation (BC) Spray Preparation

Biodynamic Barrel Compound Preparation (BC) Spray Preparation

$11.04 USD
$11.32 USD $11.04 USD
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Description

At a glance:

One unit is 1/3 cup.
One unit treats one acre.

What it does:
A convenient, ready-to-use version of the compost preparations. Helps activate soil life and balance nutrient cycles.

How to use:
Stir one unit vigorously in 3 gallons of water for 20 minutes. Strain after stirring and dilute further if needed to match your sprayer calibration. Apply to the field during seedbed preparation before BD 500, in the latter part of the day. Apply BD 500 as soon as time and labor permit, and cultivate the soil afterward for best results.

Ingredients:
Cow manure, crushed egg shells, basalt dust, and BD 502–507 compost preparations.

🌱 Learn More about Barrel Compost (BC)

Product Details:

Barrel Compound (also called Barrel Compost) is based on Maria Thun’s recipe. By integrating the six BD 502–507 compost preparations with cow manure, crushed eggshells, and basalt dust, it offers a convenient soil spray that complements a longer-term program of making and applying biodynamic compost.

Barrel Compound is useful between crop rotations or whenever soil is disturbed by cultivation. For field use, apply it during seedbed preparation before BD 500, following the current handout directions.

BC Detailed Usage Information: English | Spanish | Chinese

Additional Articles: BC About Barrel Compost Insert, BC Barrel Compost & Maria Thun

Please note: Quantities over 1 may be bagged together.

Frequently Asked Questions

What is JPI Barrel Compound, also called Barrel Compost?

Barrel Compound (BC) is the same biodynamic preparation also called Barrel Compost; JPI uses the Barrel Compound name for its U.S. product. It is a convenient, ready-to-use way to bring the six compost preparations BD 502–507 into one field or garden treatment. The JPI formula also contains cow manure, crushed eggshells, and basalt. Apply it during seedbed preparation before the separate BD 500 spray, as part of a program that also uses finished biodynamic compost.
How do I use the Barrel Compound Spray?

Stir one unit vigorously in 3 gallons of water for 20 minutes. Strain and dilute further if needed for sprayer calibration. Apply during seedbed preparation before BD 500, in the latter part of the day, and cultivate the soil afterward for best results.
What are the ingredients in the Barrel Compound Spray?

The spray contains cow manure, crushed eggshells, basalt dust, and BD 502–507 compost preparations.
How does Barrel Compound fit into a biodynamic soil program?

Barrel Compound brings the six compost preparations BD 502–507 into a convenient field spray. Use it during seedbed preparation or between crop rotations, with BD 500 applied as soon as practical afterward. Continue making and applying biodynamic compost as part of the longer-term soil program.