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bigshea13 · 14th January 2008, 10:41 AM

ive got a few trees that the homeowners{my grandparents} have repeatedly driven around and over the years the soil has become so compact that the water is unable to penetrate . the soil has become like rock. iwant to fabricate an air spade to remove the old soil and replace it with mulch and new soil. so i guess what i want to know is should keep soil moist when spading and what shouldnt i do with it? how many psi is standard for them. the trees are apples 10- 15 YRS old. my intentions are to stabilize the trees before the process, spade, refill...{do i compress soil at all or just water} then mulch. they are fairly broad so im also wondering if this should be doneall at once or a little at a time.

14th January 2008, 10:41 AM	#1 (permalink)
bigshea13 Mature tree Join Date: Nov 2007 Location: hiding Posts: 378	has anyone ever used an air spade? ive got a few trees that the homeowners{my grandparents} have repeatedly driven around and over the years the soil has become so compact that the water is unable to penetrate . the soil has become like rock. iwant to fabricate an air spade to remove the old soil and replace it with mulch and new soil. so i guess what i want to know is should keep soil moist when spading and what shouldnt i do with it? how many psi is standard for them. the trees are apples 10- 15 YRS old. my intentions are to stabilize the trees before the process, spade, refill...{do i compress soil at all or just water} then mulch. they are fairly broad so im also wondering if this should be doneall at once or a little at a time.