saline soils
soils with a high concentration of soluble salts. Can cause poor plant growth.
safety eyeglasses
protective eyewear that must be worn when conducting tree care operations.
safety factor
structural capacity of a system beyond the expected normal or actual loads. how much stronger the system is than it usually needs to be for an intended load. For example. a system with safe working load of5.000 lbs. and a safety factor of 2.0 would have a rated load of 10.000 lbs. (compare to design […]