There does exist sub-surface irrigation setups. They aren't popular, but obvious...

kickout on July 12, 2021 | parent | context | favorite | on: Organic and regenerative agriculture are revitaliz...

There does exist sub-surface irrigation setups. They aren't popular, but obviously would deliver water closer to the roots of tree. Note: I haven't ever seen a tree farm with sub-surface irrigation, only annual fruits/vegetables/crops

https://extension.colostate.edu/topic-areas/agriculture/subs...