Water Code § 1018
CHAPTER 1. Definitions and Interpretation of Division
When agricultural lands are being idled in order to provide water for transfer pursuant to this division, and an amount of water is determined to be made available by that idling, landowners shall be encouraged to cultivate or retain nonirrigated cover crops or natural vegetation to provide waterfowl, upland game bird, and other wildlife habitat, provided that all other water transfer requirements are met.