Just today I was given permission by a farmer to take over a canal which from google earth looks to take up approximately 60,000 square feet. There is a lot of moisture at the bottom of the canal and I have access to free water for drip irrigation. I'm looking to put in an overstory which will be drought tolerant, grow fast, and possibly affix nitrogen. Eventually, I want to take the drip irrigation off. Also, I'm looking for other good food forest plants for this part of southern California. Any suggestions?