This method is used were any plant is purchased from a nursery whether it is pot bound or not .I usually do this the moment i arrive home with a new plant .I also perform the same tactic all year round  .Firstly  remove the plant from its pot  then using a Bonsai root rake tease the soil away from the top section to expose the radial rootsUsing a very sharp knife , insert it into the top of the root-ball and all the way down to the bottom .Then slice the roots to the outer edge .Some plants require several slices other may need more .After slicing the roots up like a pie simple fold them up from the bottom  and out to spread the root-mass .A root- ball that was 100mm high is now 40-50mm high and usually twice its width , no roots were trimmed .It is the wrong time of the year to root prune , hence the simple slip potting . .Now prepare your bonsai pot using a mixture of 50%original soil and fresh free draining coarse material .Place the plant in the bonsai pot and fill with the prepared soil as per normal potting .Make sure the longer  roots are  placed so they travel in the same direction ie clockwise or anti-clockwise , this will ensure they are easily raked out during the next re-pot/ root-prune . Iprefer to used oval pots for the ease of positioning a plant into and allows for simple un-restricked root growth after disturbance .A good size pot would be around 250mm x 200mm however for this exercise a smaller pot was used .Cheers Alpineart

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