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Fig. 2 | Environmental Evidence

Fig. 2

From: How effective are on-farm mitigation measures for delivering an improved water environment? A systematic map

Fig. 2

Number of buffer strip studies measuring different forms of nitrogen (N) in surface, subsurface and ground waters. Studies with multiple flow paths or studies where flow paths were not clear were excluded. When flow path was not stated and measurements were taken below ground a default coding of subsurface was used, therefore the distinction between groundwater and subsurface may not be valid.

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