Water Conservation and Drought-Tolerant Landscaping Flashcards
6 cards from real C27 LICENSE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Water Conservation and Drought-Tolerant Landscaping flashcards as text
What is the primary goal of xeriscaping in residential landscaping?
Answer: Reducing water usage through drought-tolerant design
Xeriscaping is a landscaping approach designed to reduce or eliminate the need for supplemental irrigation by using drought-tolerant plants and efficient design.
What does ET stand for in landscape irrigation scheduling?
Answer: Evapotranspiration
ET (evapotranspiration) is the combined water loss from soil evaporation and plant transpiration, used to schedule efficient irrigation.
Which type of mulch is most effective for conserving soil moisture in drought-tolerant landscapes?
Answer: Organic wood chip mulch
Organic wood chip mulch conserves soil moisture by reducing evaporation, moderating soil temperature, and improving soil structure over time.
Under California's Model Water Efficient Landscape Ordinance (MWELO), which projects must submit a landscape documentation package?
Answer: New or rehabilitated landscapes of 2,500 square feet or more
MWELO requires a landscape documentation package for new or rehabilitated landscapes with 2,500 square feet or more of landscaped area.
Which California agency is responsible for setting statewide outdoor water use restrictions that affect landscaping contractors?
Answer: State Water Resources Control Board
The State Water Resources Control Board sets statewide water use regulations, including outdoor irrigation restrictions for landscaping projects.
What is a 'hydrozone' in landscape design?
Answer: A grouping of plants with similar water needs irrigated together
A hydrozone groups plants with similar water requirements so that irrigation can be managed efficiently and each zone receives only the water it needs.