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John Ball, Ph.D., CTSP

  • July 1, 2020

    Let There Be Light: Plant Health Care and the Tree-Turf Conflict

    By John Ball, Ph.D., CTSP

    Access to sunlight has more effect on turf performance than root competition. All photos courtesy of the author. We call it plant health care, but our focus as arborists is tree health care. While our clients are interested in attractive [...]

    read more
  • light-weight air craft
    January 1, 2020

    Crew Resource Management Is a Team Approach to Success

    By John Ball, Ph.D., CTSP

    When flying, the key is to be ahead of the aircraft, where you are in control and anticipating what will happen next. Once the situation turns around and you are behind the aircraft and reacting, you’re in trouble. Similarly, a [...]

    read more
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