they seem to be about the middle size we use.
As your soils are alkaline in most of SA do you use lots of manure to get a little more acidic or do you use some other method. When I visited the botanical gardens ( I'm a horticulturist & structural landscaper) in SA, I queried the garden staff about the tall size of Qld rainforest trees in the gardens and they exclaimed that the zoo is next door. Ha, ha. Plenty of elephant doo. Great recycling right next door!
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