Amend substrates for optimal plant growth.

Amendment should include commonly used materials that aid in drainage, aeration, and moisture retention. Amendment should also include organic and inorganic soil amendments (e.g., limestone, compost).

Process/Skill Questions:

• What are some examples of amendments used to increase moisture retention?
• What are some common amendments used in the landscaping industry?
• What are some common components used to create soilless substrates?
• What are some examples of amendments used to increase drainage in soilless substrates?