C27 License Water Conservation and Drought-Tolerant Landscaping

Question 1

What is the primary goal of xeriscaping in residential landscaping?

Accepted Answer

Reducing water usage through drought-tolerant design

Answer

Xeriscaping is a landscaping approach designed to reduce or eliminate the need for supplemental irrigation by using drought-tolerant plants and efficient design.

Question 2

What does ET stand for in landscape irrigation scheduling?

Accepted Answer

Evapotranspiration

Answer

ET (evapotranspiration) is the combined water loss from soil evaporation and plant transpiration, used to schedule efficient irrigation.

Question 3

Which type of mulch is most effective for conserving soil moisture in drought-tolerant landscapes?

Accepted Answer

Organic wood chip mulch

Answer

Organic wood chip mulch conserves soil moisture by reducing evaporation, moderating soil temperature, and improving soil structure over time.

Question 4

Under California's Model Water Efficient Landscape Ordinance (MWELO), which projects must submit a landscape documentation package?

Accepted Answer

New or rehabilitated landscapes of 2,500 square feet or more

Answer

MWELO requires a landscape documentation package for new or rehabilitated landscapes with 2,500 square feet or more of landscaped area.

Question 5

Which California agency is responsible for setting statewide outdoor water use restrictions that affect landscaping contractors?

Accepted Answer

State Water Resources Control Board

Answer

The State Water Resources Control Board sets statewide water use regulations, including outdoor irrigation restrictions for landscaping projects.

C27 License - C-27 Landscaping Contractor License Practice Test

C27 License - C-27 Landscaping Contractor License Practice Test

C27 License Water Conservation and Drought-Tolerant Landscaping