However, it seems most unlikely, the distance between the 'channels' is far too wide at almost a mile, to practise any form of agriculture we can image. Furthermore, the raised fields of which I have various images collected, all have cross-channels, without which there would be no entry or exit possible, to the watercraft presumed to have been used used for transportation.
Fossilized Tiwanaku Farmland from the Above (Suka kollas)