Variable | Time period | Value (range) | Units |
---|---|---|---|
precipitation | 1993 – 2016 | 308 (161 – 545) | millimeter |
air temperature | 1993 – 2016 | 23.6 (15.5 – 31.7) | degree Celsius |
Crop | Years grown |
---|---|
wheat | |
maize |
Variable | Material | Units | Frequency | Scale | Comment |
---|---|---|---|---|---|
grain yield trait | All crops | annual | |||
nitrogen content | All crops | annual | in grain and straw | ||
composition of soil | Soil | sampled sometimes |