Need some input from the engineering types please

[foodchain]

Adding strawberry pyramids....towers are ugly....to my ap system. Using old pond liner sliced into sheets to protect the wood, and delivering water from pvc pipe from bottom to top, allowing to trickle down, and return to main pool.

Is there a better way to make this work?

Looking to add sweet corn, never tried this before....but as it's tall, the wind will give it fits. So need to put grow bed near ground. Putting it near ground will create problems with using gravity to drain the beds. Ideas?

Am considering utilizing a runoff tank I use as a cistern in conjunction with my AP system to increase volume of water in circulation, to aid in stabilizing temp, as tank is buried in the ground. This will give me the "lowest" point to aid in plumbing, fall, etc. In TX it either rains or it doesn't. So we may go months without real rain. Then get 10 inches at once. I don't for see this being a problem though. Thoughts?

Thanks in advance.

[foodchain]

Also, adding onion towers...does anyone have experience with this? I am starting construction on these this weekend.