Earth wicking containers directly on the ground
My vegetable container garden rests directly on well drained soil. I would characterize the ground as sand or coarse sand.
Is there something I can do to the interface between the container and the ground to enable earth wicking drainage?
Would a half inch layer of something on the ground just below the container help wick draw water from the container to the ground? Would something like clay chips (floor dry, Turface, kitty litter) help draw water from the container and introduce it to the soil below?
Or would sand be a better interface. 1/8 inch sand or perhaps a little finer? 1/16 inch sand?
What would be the best drainage hole configuration? Some of my containers have one inch holes only on the bottom. The black nursery pots have bottom and side holes.. Does it make a difference? I know the side holes won't assist in earth wicking.
Is a container on the ground a container? or is it a raised bed? a hybrid?