ive kind of tossed this idea around from the basis of a hugelkulture and big mature cactus steaks
i live in socal and cactus grows well here go figure. meditereannean (sp) climate as well
hugelkultures are mounds built with sticks and logs and general refuse from the land.
the cactus steaks are full of water, i mean packed
so theoretically putting a bunch of these in the soil mix what have you, at the bottom, or making a mound and placing them at different levels....would provide long term water source of decomposition. maybe?
seems like it would work
not that you would want to pack in cactus in your bag..
food for thought. i have a few experiments going with these exact conditions.
good luck and have fun
plants are carnivores. in the end, they eat you... bill m