How many mango trees per acre
In Maharashtra if you see the Konkan traditional Alphonso mango Plantation which very much unplanned or it is as per traditional earlier resources in the Bag which is called as Aamrai or Mango Orchards,
Some People have different calculations for Mango plantation per acre:
You need to keep standard spacing between Mango trees in aamrai it should be is 10 x 10 meters from North, East, West, and South of the mango plant.
as a thumb rule if your orchard is exact square you can plant around 82 trees which you can plant in one acre of Land.
As per Israel Ultra High Density Plantation Technique
If you want ton build your farm with ultra high-density plantation method.
You can plant Mango tree at 2 x 3 meters with this calculation you can have 676 Mango trees per acre with proper pruning method every 3 months.