RHS Level 2 R2113 Site Selection For Outdoor Food Production Flashcards
Understanding the production of outdoor vegetables and fruit
State the factors to be considered when selecting a site for outdoor food production.
Soil - depth is hard to change on large scale, though raised beds can increase rooting zone.
Texture is effectively unalterable band should be considered.
Structure may be poor but can be improved.
PH can be changed, easier to raise it than lower it.
Drainage of land is important in terms of early cropping and access to land.
Aspect- this will effect temperature and light levels. South facing slopes are more desirable but combined with free draining soil could cause problems with water level.
Climate/microclimate - area of country and position in landscape. Exposure to strong winds can be reduced with windbreaks. Presence of frost pockets should be assessed. Annual rainfall of area.
Pest, diseases and weeds - history of soil bourne diseases e.g eelworms, onion white rot.
Access - access and rights of way should be established before committing to a piece of land. Is vehicle access required? Is there road frontage?
Acreage - a suitably sized plot to satisfy cropping requirements.
Water - access to water is vital, if not present what are the issues involved with installation. How much water can be captured from buildings?
Cost - land prices plus costs involved in setting up can restrict choice.
Describe the reasons for providing shelter for an outdoor food growing area.
It can extend the growing season, increase the range of crops grown.
Quality and yield of produce will be affected.
Shelter reduces the effects of wind which introduces a chilling factor (lower temperature means slower growth).
Winds can create water stress (increase in rate of respiration) leading to lower rates of photosynthesis and slower growth.
Frost pockets can be avoided or created by plantings and windbreaks. Any situation where cold air accumulates will be detrimental to plant growth, lower temp, tissue damage and deterring pollinating insects.
What are the benefits and limitations of a living windbreak?
Can filter winds effectively.
They can create wildlife habitats.
Looks more attractive than non living windbreaks.
Can create considerable height and strength.
Take a long time to establish.
Need to be maintained.
Take up a lot of space
Can harbor pests and diseases.
What are the benefits and limitations of a non living windbreak?
Instant. Can be moved Take up less space. Less maintenance, easier to repair. Can choose exact permeability.
Less attractive.
Don’t last as long
Limited in height.
Often uses non renewable resources.
Name 4 plant species suitable for a living windbreak.
Alnus cordata
Carpinus betulus
Cretaegus monogyna
Prunus lusitanica
Name 4 types of non-living permeable windbreaks.
Hazel hurdles.
Plastic webbing.
Fencing.
Trellis.
