In 2017, the Eberswalde University for Sustainable Development (HNEE) established an agroforestry system as part of an on-farm experiment with a conventional farmer. For this purpose, 360 individual trees and a total of six different high-quality tree species were planted in groups of three (the species of the individual trees within a group were always identical) on the study site. The tree species used were: wild pears (Pyrus pyraster), red oaks (Quercus rubra), wild service trees (Sorbus torminalis), hazel trees (Corylus colurna), service tree (Sorbus domestica) and sessile oaks (Quercus petraea). The 360 individual trees were distributed across seven 2 m wide strips and a hedge. A distance of 36 m was maintained between the strips. The strips and the hedge have a total length of 1.4 km. The distance in the row between the groups of trees is roughly 13 m.
\n\nThe agroforestry site is located in the municipality of L\u00f6wenberger Land (municipality of Gro\u00dfmutz), in the north of Brandenburg (33U 374170 5866893). The surrounding fields are also predominantly used for arable farming. The study area itself covers 6.25 hectares and is farmed conventionally. The soil consists of glacial sediments with the soil types loamy and light loamy sand and sands. The site is on average 54 m above sea level and has a total difference in altitude of 7.3 m. The terrain has a slight slope with a small depression in the north. For a large part of the area, the soil fertility index according to soil estimates is 45, for the northern depression area 31 (BB ALKIS). The site is located in the temperate, continental climate zone with a long-term average annual temperature of 9.5 \u00b0C and an average annual precipitation of 582 mm.
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