Pub. Resources Code, § 10262

An agricultural conservation easement shall not prevent any of the following:

(a) The granting of rights-of-way by the owner of the subject land in and through the land for the installation, transportation, or use of water, sewage, electric, telephone, gas, oil, or oil product lines, stock water development and storage, energy generation, and fencing if the agricultural productivity of the land and any multiple uses that made the acquisition a priority for selection under the program are not significantly impaired by those activities.

(b) The construction and use of structures on the subject land that are necessary for agricultural production and marketing, including, but not limited to, barns, shops, packing sheds, cooling facilities, greenhouses, roadside marketing stands, stock water development and storage, energy generation, and fencing, if the agricultural productivity of the land and any multiple uses that made the acquisition a priority for selection under the program are not significantly impaired by those activities.

(c) Customary part time or off season rural enterprises or activities, including, but not limited to, hunting and fishing, wildlife habitat improvement, predator control, timber harvesting, and firewood production, if the agricultural productivity of the land and any multiple uses that made the acquisition a priority for selection under the program are not significantly impaired by those activities.