• 'Prepared' 500 Horn Manure Preparation (BD 500P – Alex Podolinsky Method) Biodynamic® Horn Manure PLUS all Compost Preparations - Spray Preparation - The Josephine Porter Institute
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  • Prepared 500 Horn Manure Plus package on a clean studio background
  • Prepared 500 Horn Manure Plus package with cow horn and preparation material
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The Josephine Porter Institute

Prepared' 500 Horn Manure Preparation (BD 500P - Método Alex Podolinsky) Biodynamic Horn Manure PLUS all Compost Preparations - Spray Preparation

Prepared' 500 Horn Manure Preparation (BD 500P - Método Alex Podolinsky) Biodynamic Horn Manure PLUS all Compost Preparations - Spray Preparation

$14.52 USD
$14.52 USD $14.52 USD
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  • 5 stars: 9 (82%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 2 (18%)
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Tara Mason
A potent preparation!- BD 500P success story!

My garden thrived this past year 2025 using Prepared 500P preparation, Barrel Compost, and Horn Silica prep. despite dry weather and heat in the NE USA !! There was nearly a total absence of fungus, and pests. My vegetables were strong and healthy!! Very happy with 500P and all JPI preps. Would highly recommend this prep.

P
Pamela Saterdalen
Prepared BD500 Podalinsky

Efficient. I like the result too There is a maintained order in the beds that were prepared last autumn. They are ready for action. Spring prep is efficient and easy. Maybe the elementals are helping too with greater ease. The land feels solid. See able and enjoyable environment. Thank you !

G
Gerlinde Smith
Horn Manure is my "workhorse" for the health of my garden.

Ever since I established my garden I have been using Horn Manure. It encourages healthy roots and helps to build up organic matter in the soil, improving its structure and fertility. It makes plants more resilient to stress.

A
Amy Phillips
Rip Off

Very disappointed in size compared to cost. Won't be ordering again.

We're sorry you had this experience, though our amounts are clearly labeled on our website. When we shift from thinking of bulk applications to nearly homeopathic doses, this can be an initial impression. But we aren't spreading substances—we are broadcasting living forces, like yeast in a loaf of bread: these biologically dynamic preparations inoculate the soil with beneficial activity that persists not just for a single season but for years. The trick to good bread is not adding MORE yeast, but the right kinds of yeast. Because these are biologically active, you need very little to perform an enormous amount of good for the farm and garden.

D
Diane Goldsberry

'Prepared' 500 Horn Manure Preparation (BD #500P - Alex Podolinsky Method) Biodynamic Horn Manure PLUS all Compost Preparations

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Glen Ervin
RIP OFF!!!

I WILL NEVER PAY FOR SUCH A SMALL AMOUNT OF PRODUCTS AGAIN!!!! I FEEL AS IF I WAS JUST SOLD A TINY SCOOP OF WORM DIRT!

Glen,

I am sorry you feel this way about your order. This amount, 1/4 cup, is the standard unit size of BD500 across the world. You can think of this as a concentrate that will be mixed with 3 gallons of water to treat 1 acre of land. Please feel free to call us to discuss more if you wish.

K
Kate Perry
Garden magic

Essential nourishment for the life of the soil

M
Miguel Mihalitsianos
The best bio preps

Yields wonderful results.

K
Karin Lowen
Horn manure

Applied my Horn Manure on the farm today. Can’t get over how clean it smells. The stirring in the bucket was a bit challenging by myself but I got it done. Turned out to be a perfect day for applying the spray. I work full time so have to be very organized and do things when I can. Looking forward to this summer’s results.

H
Hogan Taylor

'Prepared' 500 Horn Manure Preparation (BD #500P - Alex Podolinsky Method) Biodynamic Horn Manure PLUS all Compost Preparations

J
JoAnne Dennee
ALL compost preps in 500

This is an amazing offering for those of us without BD compost piles!! And the time saving stir is at times a godsend. I do believe storage instructions would be supportive for those of us in northern climates who await our late Spring.

Ver informações completas

Descrição

Em um relance:

Uma unidade equivale a 1/4 de xícara.
Uma unidade trata 1 acre.

O que ele faz:
Vitaliza o solo e estimula o crescimento das raízes. Cria húmus, estimula a vida microbiana do solo e ajuda a fundamentar a planta nas forças de crescimento e reprodução.

Modo de usar:
Mexa por uma hora. Em 3-5 galões de água, pulverize sobre o solo, de preferência à tarde.

Ingredientes:
Estrume de vaca, BD 502-507

🌱 Saiba mais sobre o BD 500 Horn Manure

Detalhes do produto:

O BD 500 preparado estimula a germinação de sementes, o crescimento de raízes e a formação de húmus. Use quando estiver plantando, transplantando ou transformando culturas de cobertura.

Esse preparado foi criado por Alex Podolinsky (Austrália). Na prática australiana, embora o Prepared 500 tenha sido usado inicialmente somente depois de dois anos de aplicação do BD 500 regular, a experiência atual exige seu uso desde o início da conversão para a agricultura biodinâmica em praticamente todos os casos. Ele contém todos os preparados biodinâmicos, incluindo 500 horn manure, yarrow, camomila, urtiga, casca de carvalho, dente-de-leão e valeriana.

Para obter informações adicionais, acesse: Artigos de preparação JPI; Folhetos de instruções

Artigo adicional: BD 500: Reflexões sobre a produção da BD 500

Observação: Quantidades acima de 1 podem ser ensacadas juntas.

Perguntas frequentes

What is the main benefit of using Prepared 500 Horn Manure?

Prepared 500 combines finished BD 500 horn manure with BD 502–507 for biodynamic soil care. A 2026 lab study found proliferation of selected compost-associated bacteria with an Italian 500K formulation; a 2022 apple-orchard study found time-dependent rhizosphere microbiome changes after an Austrian 500P extract. Those measured responses concern related formulations and microbial endpoints; direct JPI-batch and crop-yield tests are separate next steps.
How should I apply the Prepared 500 Horn Manure?

Stir one unit for one full hour in 3–5 gallons of water, then spray onto soil, preferably late in the day.
What area does one unit of Prepared 500 Horn Manure cover?

One unit, which is 1/4 cup, treats one acre of land.
What ingredients are included in the Prepared 500 Horn Manure?

It contains finished BD 500 horn manure plus six compost preparations: yarrow (BD 502), chamomile (BD 503), stinging nettle (BD 504), oak bark (BD 505), dandelion (BD 506), and valerian (BD 507). It does not include BD 501 or BD 508.