The City of Surrey has a number of agriculture-related policies.  Please refer to the links below for more information.

Official Community Plan:
Protecting Agriculture and Agricultural Areas (A.2.2.F.)
Promoting Agriculture as an Economic Growth Sector (A.2.2.B-8)
Development Permit Area Guidelines - Areas at the Outside Edge of the Agricultural Designation (A.Schedule C.B.)
Figure 20 Agricultural Land Reserve Map (A.4)

City Plans:
Surrey Agricultural Plan
Sustainability Charter
Economic Development Strategy

City Policies:
No. O-23 Residential Buffering Adjacent to the ALR/Agricultural Boundary
No. O-51 Policy for Considering Applications for Exclusion of Land from the ALR

City Procedures:
Landscaped Buffers for Residential Developments Adjacent to the ALR/Agricultural Designation