Ask Jim Urban | DeepRoot Blog

Urban Soil Reuse as Planting Soil: Current Science and Lessons Learned

May 23, 2018 — Leave a Comment

Why Trees May Fail to Establish or Thrive (and what to do about it)

August 17, 2015 — 2 Comments

Reusing Existing Urban Soil for Planting

July 20, 2015 — 1 Comment

The Case For Big Tree Openings

February 9, 2015 — Leave a Comment

What Is Soil Organic Matter?

July 23, 2014 — 3 Comments

Is it “Soil” or is it “Dirt”?

June 9, 2014 — 2 Comments

Every Project Needs a Lorax

May 28, 2014 — Leave a Comment

The Basics of Tree Structure and Growth

May 14, 2014 — Leave a Comment

“There were trees everywhere”
Learning from the long history of Iranian cities

April 28, 2014 — Leave a Comment

“A tree is like a wine glass on a dinner plate”

April 16, 2014 — Leave a Comment