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Bostol

ES FR EN IT DE PT

Bostol

Fermented liquid fertiliser of dung or vermicompost with ash and milk

Biofertilizers Fermentation

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

 ✅ Authorised (some countries) Bio-inputs in ColombiaBio-inputs in PeruBio-inputs in Costa RicaBio-inputs in ChileBio-inputs in ArgentinaBio-inputs in EcuadorBio-inputs in IndiaBio-inputs in IndonesiaBio-inputs in MoroccoBio-inputs in BurundiBio-inputs in KenyaBio-inputs in RwandaBio-inputs in TanzaniaBio-inputs in UgandaBio-inputs in South SudanBio-inputs in the Congo - KinshasaBio-inputs in Somalia

Fermented liquid fertiliser, easy to make with farm materials, which provides the soil with organic matter, minerals from the ash and microbial life.

Application

Application description: On the soil, diluted in irrigation water, around the plants.

Dose: Indicative: 1 part bostol to 4 to 10 parts water for soil watering; in pots, start with the weakest dilution.

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Regulatory status

✅ Authorised in Colombia, in Peru, in Costa Rica, in Chile, in Argentina, in Ecuador, in India, in Indonesia, in Morocco, in Burundi, in Kenya, in Rwanda, in Tanzania, in Uganda, in South Sudan, in the Congo - Kinshasa and in Somalia Bio-inputs in ColombiaBio-inputs in PeruBio-inputs in Costa RicaBio-inputs in ChileBio-inputs in ArgentinaBio-inputs in EcuadorBio-inputs in IndiaBio-inputs in IndonesiaBio-inputs in MoroccoBio-inputs in BurundiBio-inputs in KenyaBio-inputs in RwandaBio-inputs in TanzaniaBio-inputs in UgandaBio-inputs in South SudanBio-inputs in the Congo - KinshasaBio-inputs in Somalia

Bio-inputs in Colombia Authorised bio-preparations: Colombia
Bio-inputs in Peru Authorised bio-preparations: Peru
Bio-inputs in Costa Rica Authorised bio-preparations: Costa Rica
Bio-inputs in Chile Authorised bio-preparations: Chile
Bio-inputs in Argentina Authorised bio-preparations: Argentina
Bio-inputs in Ecuador Authorised bio-preparations: Ecuador
Bio-inputs in India Authorised bio-preparations: India
Bio-inputs in Indonesia Authorised bio-preparations: Indonesia
Bio-inputs in Morocco Authorised bio-preparations: Morocco
Bio-inputs in Burundi Authorised bio-preparations: Burundi
Bio-inputs in Kenya Authorised bio-preparations: Kenya
Bio-inputs in Rwanda Authorised bio-preparations: Rwanda
Bio-inputs in Tanzania Authorised bio-preparations: Tanzania
Bio-inputs in Uganda Authorised bio-preparations: Uganda
Bio-inputs in South Sudan Authorised bio-preparations: South Sudan
Bio-inputs in the Congo - Kinshasa Authorised bio-preparations: Congo - Kinshasa
Bio-inputs in Somalia Authorised bio-preparations: Somalia

Liquid fertiliser made on the farm: in the EU, a fertiliser made for own use needs no authorisation (Regulation (EU) 2019/1009 only covers fertilisers placed on the market); in organic production, manure from factory farming is prohibited (Implementing Regulation (EU) 2021/1165, Annex II). Its ingredients (manure, vermicompost, wood ash, milk, sugar, plants) appear on the official organic input lists of the countries shown.

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

Documentary information, checked on 25/10/2026. Not a substitute for legal advice; regulations may vary from country to country. See the regulations · Substances authorised in Europe

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