Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:agricultural_policy
|
| gptkbp:allows |
soil fertility maintenance
|
| gptkbp:contributedTo |
population growth in medieval Europe
|
| gptkbp:dividedInto |
three parts
|
| gptkbp:enables |
more efficient land use
|
| gptkbp:firstDocumented |
8th century
|
| gptkbp:improves |
agricultural productivity
|
| gptkbp:involves |
crop rotation
|
| gptkbp:oneFieldLeft |
fallow
|
| gptkbp:oneFieldPlantedWith |
spring crop
winter crop |
| gptkbp:replacedBy |
two-field system
|
| gptkbp:spreadTo |
gptkb:Europe_during_the_Middle_Ages
|
| gptkbp:usedIn |
gptkb:medieval_Europe
|
| gptkbp:bfsParent |
gptkb:Western_Europe_(Middle_Ages)
|
| gptkbp:bfsLayer |
6
|
| http://www.w3.org/2000/01/rdf-schema#label |
three-field system
|