Hardscape & GradingCâu 66 / 100
On a steep planted slope, which practice BEST controls erosion during establishment?
a.Erosion-control blankets, mulch, and quick-establishing groundcover
b.Bare soil left exposed
c.Smooth compaction with no plants
d.Frequent heavy flood irrigation
Giải thích
Covering a slope with erosion-control blankets or netting, mulch, and fast-establishing groundcover protects the soil surface from rain impact and runoff until roots hold it. Bare or heavily flooded slopes erode and rill quickly. Vegetation and surface protection together stabilize the slope.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Compaction of subgrade soil before hardscape is measured against what standard reference?
- On expansive clay soils, hardscape and foundations are at risk because the soil does what?
- A dry-stack (mortarless) segmental block wall relies on what for stability?
- Directing a downspout's discharge onto a splash block or into a pipe that carries it away from the house prevents what?
- Permeable pavers differ from standard pavers because they do what?
- A retaining wall's footing or leveling pad should be placed on what?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với California CSLB C-27 Landscaping Trade Exam · Quy trình kiểm tra