Use the arrows to navigate between periods
| Crop | Years Grown |
|---|---|
| Wheat | |
| Root Vegetables | |
| Barley | |
| Feed Legumes |
| Rotation | Crops |
|---|---|
| Norfolk Rotation (1899 - 1962) | Wheat > Root Vegetables > Barley > Feed Legumes |
Factors are the interventions or treatments which vary across the experiment.
| Level Name | Factor Name | Amount | Years | Frequency | Method | Chemical Form | Notes |
|---|---|---|---|---|---|---|---|
| Farmyard Manure | Fertilizer Exposure | 15 t/ha | - | ||||
| Bone Meal | Fertilizer Exposure | 0.5 t/ha | - | ||||
| Nitrogen | Fertilizer Exposure | 100 kgN/ha | - | Sodium Nitrate | |||
| Phosphorous | Fertilizer Exposure | 40 kgP/ha | - | ||||
| Potassium | Fertilizer Exposure | 63 kgK/ha | - | Potassium Chloride |
Factor Combinations are the combination of factors applied to different plots on the experiment.
| Factor Combination | Time Coverage | Notes |
|---|---|---|
| D | - | |
| BM | - | |
| N | - | |
| P | - | |
| K | - | |
| O | - | No fertilizer |
| PK | - | |
| NK | - | |
| NP | - | |
| NPK | - |
| Crop | Years Grown |
|---|---|
| Alfalfa | |
| Winter Wheat | |
| Barley | |
| Faba Beans | |
| Sugar Beet | |
| Grass Leys |
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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