Publication Date
1997
Description
The objective of this paper is to report the effect of animal-tree interactions on soil nutrient redistribution pattern in a grazed silvopastoral experiment site at Glensaugh, in NE Scotland. Scots pine (Pinus sylvestris L) tree species were planted in square lattice arrangements at 5 m x 5 m, spacing (400 stems/ha) on plots replicated over three blocks in Randomized Complete Block design on a predominantly rye grass (Lolium perenne L) pasture which was grazed by sheep yearly from April to October. Included in the design were grazed pasture plots without trees (Control). Soil samples were collected from around two randomly selected trees in each plot in four directions N, E, S and W at 1 m interval starting at 0.5 m from the tree base up to mid point of the separation distance between trees. In the Control plots, soil samples were collected as above from two hypothetical tree positions chosen randomly. The analysis of variance result showed that soil total N, %C and Organic matter (OM) increased significantly with horizontal distance from the tree in the grazed Scots pine plots whereas soil nutrients did not vary significantly with horizontal distance from the tree in the Control plots.
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Soil Nutrient Redistribution Pattern About the Tree in a Silvopastoral System
The objective of this paper is to report the effect of animal-tree interactions on soil nutrient redistribution pattern in a grazed silvopastoral experiment site at Glensaugh, in NE Scotland. Scots pine (Pinus sylvestris L) tree species were planted in square lattice arrangements at 5 m x 5 m, spacing (400 stems/ha) on plots replicated over three blocks in Randomized Complete Block design on a predominantly rye grass (Lolium perenne L) pasture which was grazed by sheep yearly from April to October. Included in the design were grazed pasture plots without trees (Control). Soil samples were collected from around two randomly selected trees in each plot in four directions N, E, S and W at 1 m interval starting at 0.5 m from the tree base up to mid point of the separation distance between trees. In the Control plots, soil samples were collected as above from two hypothetical tree positions chosen randomly. The analysis of variance result showed that soil total N, %C and Organic matter (OM) increased significantly with horizontal distance from the tree in the grazed Scots pine plots whereas soil nutrients did not vary significantly with horizontal distance from the tree in the Control plots.
