Organic liquid feeds provide nutrients in a more readily available form than composts and fertilisers, and do little to encourage soil flora and fauna. For this reason, in organic gardening they are only used on plants growing in a restricted environment such as a container - seed tray, pot, growing bag, hanging basket etc - or in a greenhouse or polytunnel soil border. The major supply of nutrients should always come from the compost or soil in which the plants are growing.
- Guidelines on Growing media
- Guidelines on Keeping the garden healthy | Tonics, stimulants and microbial products
Acceptable organic practice
- Liquid feeds made from comfrey leaves, nettles and other plant wastes.
- Liquid from worm composting systems
- Liquid feeds made from manures from livestock kept in the garden or allotment.
Acceptable, but not for regular use
- Liquid feeds based on plant products approved in these guidelines, preferably with an accredited organic symbol, or wording, from an approved organic certification organisation.
- Liquid feeds made from brought in animal manures that are acceptable under these guidelines [link to animal manures section]
- Commercially available liquid feeds based on animal products approved in these guidelines, preferably with an organic symbol
- Products containing trace elements to correct deficiencies that cannot be corrected in any other way [link to relevant section in Soil care chapter]
Never acceptable in an organic garden
- Fish emulsion unless based on waste products of organic fishing industry
- Products containing artificially produced nutrients.
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