The identification dataset of commercial corn varieties in the summer corn growing area of North China's four provinces in 2021 and 2022

This dataset offers data information on 27 key characteristics, including growth period, plant height, resistance, and yield, for 188 commercial maize varieties cultivated in the summer maize regions of China’s four provinces. The data are provided with daily time resolution and spans the years 2021 and 2022. The data collection and processing process strictly adheres to measurement instrument data quality control and standards. The data are publicly available at a regional scale, aiming to support the exploration and utilization of superior maize germplasm resources across various maize production regions.