Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
agricultural policy
|
| gptkbp:alsoKnownAs |
gptkb:Norfolk_four-course_system
|
| gptkbp:associatedWith |
gptkb:Charles_Townshend
|
| gptkbp:developedBy |
gptkb:England
18th century |
| https://www.w3.org/2000/01/rdf-schema#label |
four-field system
|
| gptkbp:impact |
enabled agricultural revolution
supported population growth |
| gptkbp:includesCrop |
gptkb:wheat
clover barley turnips |
| gptkbp:involves |
crop rotation
|
| gptkbp:method |
rotating crops annually
|
| gptkbp:purpose |
improve crop yields
increase soil fertility reduce fallow land |
| gptkbp:replacedBy |
gptkb:three-field_system
|
| gptkbp:bfsParent |
gptkb:Crop_Rotation
|
| gptkbp:bfsLayer |
7
|