Planting & SoilCâu 31 / 100
Applying a 3-inch layer of organic mulch around plants primarily provides what benefits?
a.Raises soil pH sharply
b.Eliminates all irrigation needs
c.Conserves moisture, moderates soil temperature, and suppresses weeds
d.Increases soil compaction
Giải thích
A layer of organic mulch reduces evaporation, keeps soil temperatures more stable, and blocks light that weed seeds need to germinate. As it decomposes it also adds organic matter to the soil. Mulch is one of the most cost-effective water-saving practices in landscaping.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- To lower the pH of an alkaline soil, which amendment is commonly used?
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- When planting a container-grown shrub, the top of the root ball should be placed at what level relative to the surrounding soil?
- Gypsum is added to certain clay soils primarily to accomplish what?
- A newly planted tree needs staking. What is the correct staking practice?
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với California CSLB C-27 Landscaping Trade Exam · Quy trình kiểm tra