Aquilaria trees are suitable for planting in the lowland areas to the mountains at an altitude of 0 – 750 meters above sea level.
It can grow on a wide range of soils, with a pH between 4.0 to 6.0 loamy soil, soft sandy clay like soil, deep and stony, including poor sandy soil, the best is red bazan soil.
It is not suitable planting in swampy soil and stagnant water. Preventing the land from flooded, alum, salt or soil in the surface of limestone should not grow Aquilaria tree. In short , Aquilaria trees preferably planted on hilly areas with red bazan soil.
One case study to share the effect of planting Aquilaria trees in clay soil environment, surrounding is paddy field.
Crassna 7 years tree in clay soil, Feb 2012.
Surrounding is paddy field planting. However the trees had been inoculated.
Crassna 7 years tree, 4″ diameter. The growth is too slow in unsuitable soil.
Gaharu 沉香 Agarwood 
Hii…
I’m from Kerala, India and looking forward to start an Agar Wood plantation…..
Do you think Kerala (South India) is suitable for this plantation?
With kind regards,
Jibin Thomas
Sure … no problem.
We want to cultivate agarwood at our state Telangana.
Is it suitable for cultivating Agarwood or not?
Avoid clay soil, no water water clogging / stagnant, basically it is ok to grow