For most aspects of energy conservation, the bigger the tree the better. Larger trees shade larger areas. Though not an energy-saving feature, large trees also store more carbon. In some ways, trees that use more water save more energy too, …
Where can I find information about trees I can plant for energy conservation?
Most states have information to help you decide what trees are right for your location and planting conditions. In Maryland, for example, and many other states you can view nursery catalogs and order trees online from state professionals. The …
I want to select the best spot for my tree. How can I find out where the sun will be in the summer and winter?
The position of the sun is expressed in altitude (or elevation) and azimuth, both of which will vary by location, time of day, and time of year. Altitude refers to the height of the sun over the horizon (higher in …
What is evapotranspiration?
Evapotranspiration is a combination of evaporation and transpiration. Evaporation is a physical process that transforms liquid water into vapor by absorbing heat. Transpiration is the biological process of plants releasing water vapor through leaves. This water was previously pulled up …
What should I do after a storm has damaged my tree(s)?
Storm-damaged trees should be evaluated by a professional arborist. A Certified or Consulting Arborist may recommend removal or various improvement measures such as pruning, cabling, lightning protection, root invigoration, fertilization, etc.
The Arbor Day Foundation has a nice page …
Planting Urban Trees: Maintenance Requirements
Too often trees are forgotten and not maintained after being planted. A tree requires proper care, especially in the early stages of its development, to prevent health problems. Consider the following checklist when planting a tree:
- Are there adequate resources
Tree Planting in Cities (Part 2): Site Preparation
Proper preparation of the planting site is critical to good root development. In urban areas, site preparation may require special planning because of the type of planting site, such as street or parking lot plantings. Also, when preparing the site, …
Urban Soils: Contamination and Urban Trees
Soil can be contaminated by masonry, wood, paper, asphalt, paint, fuel, cement, oil, salt, or other materials. Contamination may occur across an entire site, such as an industrial property, or in spots, such as concrete washouts and refueling areas. This …
Urban Soils: Temperature Extremes and Moderating Soil Temperature
Credit: Raina Sheridan
Temperature extremes can alter the chemical and biological characteristics of soils. Urban locations often have higher soil temperatures than rural areas because of the heat that is absorbed by and reflected from buildings, sidewalks, streets, and vehicles. …
Urban Soils: Correcting Low Soil Moisture
Photo Credit: Raina Sheridan
Lack of moisture in the soil is as harmful as too much water. Low soil moisture can be caused by high temperature, drought, high salt content, sandy soils, and improperly timed irrigation systems. Impervious surfaces can …