Variable | Depth | Value (range) | Units | Ref year | Estimated? | Baseline? |
---|---|---|---|---|---|---|
soil pH | (6 – 6.5) | |||||
sand content | (30 – 40) | Percent | ||||
silt content | (42 – 48) | Percent | ||||
clay content | (17 – 26) | Percent | ||||
soil organic matter | 2.6 | Percent |
Variable | Time period | Value (range) | Units |
---|---|---|---|
air temperature | 1999 – 2011 | 10.7 | degree Celsius |
precipitation | 1999 – 2011 | 906 | millimeter |
Crop | Years grown |
---|---|
maize | |
winter wheat | |
winter barley | |
rapeseed |
Variable | Material | Units | Frequency | Scale | Comment |
---|---|---|---|---|---|
grain yield trait | Not specified |