A lot of silvoarable systems exist, with a broad range of varying tree densities and tree spacings. Almost all combinations are viable if the appropriate tree species and the crops are selected to match the environmental conditions.
Documents:
Montado near Montemor-o-Novo
Portugal, photo by Michael den Herder
Grazed orchard
Photo by Michael den Herder
Fattening pigs in willow Research Centre Foulum
AU DK. Photo by Anne Grete Kongsted
Walnut and Maize
Montpellier, France by AGROOF
Alley-cropping at Vattholma, Sweden
Alley cropping system of Poplar in Forst, Germany
Photo by D. Freese
Darliner Farm
Italy
Silvoarable agroforestry under cork oak (Quercus suber)
near Portalegre, Portugal by João Palma
Squashes in SRC silvoarable system
Wakelyns
Mature grazed woodland at Clapham Park
Bedfordshire, UK
