How many gallon of water for a mature apple tree?
We get some snow. Annual precipitation is 7-9 inches but the rainfall in our area for April-September over the last few three years has ranged from 0.01 - 0.32 in per month.
Soil is mostly sand down to below three feet. Don't know how far the sand goes.
We've two mature apple trees, 8 - 10 inches in diameter, radius and height over 15 feet. Ugly, need Pollarding(sp?).
How much water now? After trimming?