Foto Torvfri Oppal (Photo: Kirsty McKinnon)
Foto Torvfri Oppal (Photo: Kirsty McKinnon)

Peat free transplant media

The aim of this project is to contribute to the development of soil products that can replace peat as transplant and planting media.

Peat has over the last decades become the dominant growth medium for commercial and hobby-based ornamental and vegetable production and for the raising of small plants. Due to adverse environmental and ecological effects caused by peat extraction and use, it is desirable to reduce or phase out the use of peat.
Peat-free products made from composted fallen leaves and horse manure have yielded good results in raising cauliflower and iceberg lettuce in previous tests conducted by NORSØK. The composts used were about 3 years. It is unclear how long the materials should be composted before they function satisfactorily as transplant media. In this project we will try out composts of different ages and degree of decomposition as transplant media for cauliflower and lettuce.

Project owner:NORSØK
Project coordinator:Kirsty McKinnon
Funding:Landbrukds- og matdepartementet
Project period:

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