Websites to use for help with the
Certified Arborist Exam

TREE BIOLOGY

BOT 201 & BOT 201 Lab – General Information University of Hawaii

The Ecotree University of the Western Cape

TREE/SOIL RELATIONS

Soil-Water-Plant Relations CSES 3444 Course Notes

Aghrt 282 Class Lectures

WATER MANAGEMENT

Illinois Watershed Management Clearinghouse University of Illinois Extension

Drought Management on Trees & Shrubs Michigan Stail University Extension

TREE NUTRITION/FERTILIZATION

Fertilizing Trees and Shrubs Virginia Cooperative Extension

Tree Nutrition Series Warnell School of Forest Resources

TREE SELECTION

XUL Planet – Tree Selection

INSTALLATION & ESTABLISHMENT

Correct Installation and Establishment of Ornamental Plants Auburn University

Compaction in Tree Establishment and Root Zone Protection TCI Magazine

PRUNING

Training & Pruning Fruit Trees North Carolina Cooperative Extension Service

Brooklyn Botanic Garden

TREE SUPPORT & PROTECTION SYSTEMS

Duckbill Tree Support Systems

DIAGNOSIS & PLANT DISORDERS

Plant Disease Facts Cooperation Extension – Pennsylvania State University

Research Updates – for growers/researchers

PLANT HEALTH CARE

1739 Plant Health Care Colorado State University Cooperative Extension

Tree Health Care Warnell School of Forest Resources

TREE ASSESSMENT AND RISK MANAGEMENT

(Coming soon)

TREES & CONSTRUCTION

Protecting Trees During Construction Colorado State University Cooperative Extension

Trees and Home Construction The Ohio State University Extension

SAFETY

SafeTree – The right tree in the right place

Trees and Power Lines Don’t Mix

CLIMBING & WORKING IN TREES

National Tree Climbing Program

Health & Safety Executive

 

 

 
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