Opportunities for carbon sequestration in intensive soft fruit production systems
Opportunities for carbon sequestration in intensive soft fruit production systems
PDFAuthors: Martin Lukac
Volume/Issue: Volume 25: Issue 2
Published online: 01 Nov 2022
Pages: 107 - 114
Abstract
The historical contribution of agriculture to human-induced climate change is indisputable; the removal of natural vegetation and soil cultivation to feed the growing human population has resulted in a substantial carbon transfer to the atmosphere. While maintaining their food production capacity, soft fruit production systems now have an opportunity to utilise a recent technology change to enhance their carbon sequestration capacity. We use an example of a farm in South-East England to illustrate how the soft fruit crop production system can be optimised for carbon storage. We performed an audit of carbon stocks in the soil and tree biomass and show that it is imperative to plan crop rotation to establish (semi) permanent inter-row strips that will remain in situeven if the main crop is replaced. These strips should be covered with grassland vegetation, preferable with deeper rooting grass species mixed with species supporting nitrogen fi xation. Finally, grassland mowing cuttings should be left in situ and hedgerows and tree windbreaks should be expanded across the farm. Modern soft fruit production systems can enhance their carbon storage while maintaining commercially relevant levels of productivity.
Keywords: soft fruit, carbon storage, table-top, tree biomass
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