1. Excavate the top 4-6 ins layer of dirt and fill back up with new topsoil of good quality. 0 _2 R8 t$ _; {- {8 {/ l; j1 F% K0 e2. Reduce the use of chemical fertilizer and use organic one instead.
" Q9 j$ Z2 [4 P( B. yI should tell a bobcat is required if you wanna do the whole front/back yard OR just spot-excavation (dig a bigger and deeper than normal hole, dump the old dirt and back fill w/ good topsoil when you want to plant a new tree) if you gonna do the job yourself.