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Fermented tobacco solution

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Fermented tobacco solution

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⚠️ Protective equipment required for this preparation

This recipe involves handling products that may be irritating or toxic. Always wear the following equipment:

By

Plant vitality Fermentation Plant-based

Fermentation

Biological transformation of the plant material by microorganisms (yeasts, bacteria) in total or partial absence of oxygen, releasing and transforming active compounds over a longer period than the other techniques (days to weeks).

Process summary

1) Chop the plant material and submerge it in water, in a wide, non-airtight container (to let gases escape). 2) Stir daily during fermentation. 3) Let ferment from several days to several weeks, depending on ambient temperature, until it stops foaming. 4) Strain and dilute before use — the undiluted product can be very concentrated.

See all preparation methods

 ⛔ Not authorised EU

Shredded tobacco fermented in water with white soap as a sticker, documented on tomato in gardens in Córdoba and Santa Fe (Argentina).

Application

Application description: Undiluted on tomato plants, wetting the whole plant; repeat after 20 days according to the source.

Dose: The 10 L cover about 200 m².

Tips

Nicotine is highly toxic to people, animals and beneficial insects, including through skin contact: gloves, goggles, mask and long clothing; keep away from children. Nicotine is not approved in the EU and is excluded from organic regulations. Keeps 6 months in a dark, dry container. Before any use, check your country's regulations: in the EU, a homemade preparation presented for plant-protection use is not authorised.

Preparation process

1. Put the tobacco in the water.
2. Leave to ferment for 15 days in a closed container, shaking from time to time.
3. Filter and add white soap.

Ingredients

  • Water ⓘ — 2.642 gal
  • Liquid soap or neutral detergent ⓘ
  • Shredded tobacco ⓘ — 2.205 lb
  • For 10 L: 1 kg shredded tobacco; 10 L rain or standing water; white soap.

Tools and equipment

  • Strainer or filter cloth
  • Protective gloves, goggles and mask
  • Manual or backpack sprayer
  • Plastic buckets (never metal)

Goggles, gloves and mask required

Preparation time

15 days.

Product obtained

Dark brown liquid with a strong smell.

Source / Reference

IPES, RUAF Foundation and FAO (2010). “Biopreparados para el manejo sostenible de plagas y enfermedades en la agricultura urbana y periurbana”, ¿Cómo hacerlo? series, sheet n.º 21, validated by the Pro Huerta/INTA programme (Marcos Juárez, Córdoba, and Rosario, Santa Fe, Argentina): https://www.fao.org/3/a-as435s.pdf — guide also circulated by Portal Frutícola. Recipe written in our own words.

Recipe written in our own words by biopreparados.es. Copyright and sources

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Contact person

Grégory Prybys
Tel: +33 7 75 76 37 70 — WhatsApp: +54 9 11 2157 0868
Country: Argentina

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Regulatory status

⛔ Not authorised in the EU as a home-made preparation

In the EU, nicotine is not an approved active substance and a homemade preparation presented for plant-protection use is not authorised. This plant does not appear on any of the official organic input lists consulted. Documentary recipe (FAO/IPES guide); no country proposed.

What the icons mean: ✅ Authorised ⚠️ Tolerated 🟠 Not prohibited ⛔ Not authorised EU 🔎 Status being verified Full details →

Documentary information, checked on 26/10/2026. Not a substitute for legal advice; regulations may vary from country to country. See the regulations · Substances authorised in Europe

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