Panai maram(Palmyrah) - Need cultivation information

I am considering to plant Panai maram(Palmyrah) at my farm. Could you please provide the following details?

• What is the recommended space between each tree if it is planted as main crop?
• What is the recommended space between each tree if it is planted as fence?
• What are the dwarf or semi dwarf varieties available now?
• Where I can get these quality saplings?
• What is the planting season if any?
• When the tree will give full yield?
• Will it grow in saralai soil?
• What is the earliest possible time for finding out the gender of the tree?

Thanks in advance for your support,
Rajasekaran

I hope the below link will serve some purpose.

agritech.tnau.ac.in/horticulture … myrah.html