Interesting read, especially for an indoor grower like me who doesn't have the option to grow in ground.
It is motivating knowing I can still achieve great results with limited square foot.
The 2,600 boxes per acre were achieved over 5 years though, the article states that it's the cumulative number. So not necessarily a fair comparison to put it next to the 200 boxes/acre per year for inground trees.
But at 1,363 boxes/acre at year 6 for potted trees, it is still pretty impressive.