How does GPS contribute to yield monitoring?

GPS plays a critical role in yield monitoring by providing real-time location data, which is essential for accurate mapping and analysis of yield variability across a field. This location data allows farmers to correlate yield information with specific geographic locations. By integrating yield data collected from harvesters with GPS data, farmers can identify patterns in yield performance related to varying field conditions, such as soil type, terrain, and moisture levels. This precise geospatial information enables better decision-making for future planting, fertilization, and management practices, ultimately leading to improved crop production efficiency and sustainability.

The other options, while important in their own contexts, do not capture the primary contribution of GPS in this specific aspect of agricultural technology.