Deep Root Tree Fertlization

[poolboy]

Originally Posted by Green Dreams

I think you may be thinking of an "air spade" system. I am sure you can google it. I am in Houston and someone has advertised it on the local garden show.

You're talking about Morrison Horticultural Services and Gardenline.

[poolboy]

BTW, here is a DIY tip sheet from GardenLine for homeowners with smaller trees.......
http://ktrh.com/pages/gardenline-deeproot.html

[BrandonV]

i've seen machines that shoot compressed nitrogen gas into the soil, pretty much like blowing a bubble

[Smallaxe]

I think air is 80% N gas

[BrandonV]

haha, didn't think about that, they made a big deal about it. duh. hey thats marketing for ya