Texas FFA Nursery Landscape Practice Exam

In which plant type is proper composting most critical?

1. Perennials

2. Annuals

3. Vegetables

4. Landscape trees

The correct answer is: Landscape trees

Proper composting is particularly critical for landscape trees because they benefit significantly from the nutrients and soil structure that compost can provide, which are essential for their growth and establishment. Mature trees or those being planted require a healthy environment to thrive, and compost can improve soil aeration, water retention, and microbial activity, facilitating rooting and overall health. Landscape trees often have extensive root systems that require a balanced supply of nutrients over a longer period. Composting creates a slow-releasing nutrient source, protecting these larger plants from nutrient imbalances that can occur with overly-commercial fertilizers. Additionally, compost can help reduce soil compaction, fostering a better environment for the roots to expand. While perennials, annuals, and vegetables also benefit from compost, their growing seasons are generally shorter, and they may not rely as heavily on the long-term benefits of properly composted material as landscape trees do. Proper composting is not as critical for these plant types compared to the extended life and growth potential of landscape trees.