Earlier when I tried tapioca it was not growing well. Then I moved my cultivation to a different area where the soil was little more fertile, it started yielding. In general, fertility is improving and cultivation becomes more easy. I just planted this tapioca cuttings and applied dried cow dung once, it gave reasonable yield. One good thing is that, it does not need much water, some moisture in the soil will keep them growing.
I got many more cuttings after the harvest and planting them in conventional style, by piling up soil require lot of effort, so just made some holes and planted them. These area was watered a week back so soil was loose.