Trenching - composting by digging a trench roughly 3 feet deep and filling it with compostable scraps, covering them with alternate layers of soil. Once completed, leave them for months to break down and then plant your vegetables directly into the bed.
Starting from Scratch: Vertical Gardening may try this next year if my straw bales don't work. "-As a general rule, it would take 13 to 18 times more ground space to plant the same amount in a horizontal garden as you can in a vertical garden.
Cool idea for growing cucumbers, tomatoes, eggplants, etc. Plant in pots high near overhang then have plant grow over wiring I did this with tomato plants to keep the rabbits from eating them-but it didn't help with the squirrels!