 Soil-plant-atmosphere continuum

The Soil-Plant-Atmosphere Continuum (SPAC) is a conceptual model that describes the interconnected system of soil, plants, and the atmosphere, emphasizing how water moves through this continuum. It highlights the processes that facilitate the transfer of water and nutrients from the soil through plant roots, into the plant tissues, and finally into the atmosphere through evaporation and transpiration. ### Key Components: 1. **Soil**: - The starting point of the continuum.