What aspect of soil is crucial for maintaining plant health?

Field capacity is a significant aspect of soil health as it refers to the amount of water the soil can retain after excess water has drained away and the rate of downward movement has decreased. This capacity is vital for ensuring that plants have access to adequate moisture for their roots without the risk of waterlogging, which can harm plant health.

While pH level and nutrient content are also important factors for plant vitality, they primarily determine the availability of nutrients and the overall growing conditions. However, without proper water retention capabilities, the soil's pH and nutrient profile alone would not be sufficient to support robust plant growth. Field capacity ensures that water is available to plants over time, making it a crucial aspect of soil health.

The focus on field capacity highlights the importance of water management in soil, which can directly affect plant health through root development, nutrient uptake, and overall vigor. Understanding how soil holds and manages water is fundamental for effective landscape architecture and plant care.