Crop | Years Grown |
---|---|
Spring Barley | |
Winter Wheat | |
Grass Leys | |
Potatoes |
Rotation | Crops |
---|---|
barley rotation (1966 - ) | Grass Leys > Potatoes > Spring Barley > Spring Barley > Spring Barley |
wheat rotation (1966 - ) | Grass Leys > Potatoes > Winter Wheat > Winter Wheat > Winter Wheat |
Factors are the interventions or treatments which vary across the experiment.
Description: 4 rates of N fertilizer. 63 v 126 v 188 v 251 kgN/ha wheat. 50 v 100 v 150 v 200 kgN/ha barley.
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|
Description: Magnesium as Epsom salts applied to sub-sub-plots on wheat blocks only, 1968 and 1969. 0 v 182 kg MgO.
Level Name | Amount | Years | Frequency | Crop | Method | Chemical Form | Notes |
---|
Variable | Unit | Collection Frequency |
Material | Description | Crop |
---|---|---|---|---|---|
Yield Components | t/ha | annually | AllCrops | Grain and straw yields at field moisture content, approximately 85% dry matter. Grass yields (1 year ley). Potato yields, tubers | |
Crop Variety | annually | AllCrops | Also sowing and harvest dates. | ||
Disease Assessment Data | Eyespot and Take-all assessment on wheat and barley. | ||||
Soil Organic Carbon |
2017
1980
1975
1936
1929
For further information and assistance, please contact the e-RA curators, Sarah Perryman and Margaret Glendining using the e-RA email address: era@rothamsted.ac.uk