Similar to 農業試験場
9
910
1011
11 (number)12
12 (number)13
13 (number)19
19 (number)40
40 (number)70
70 (number)100
100400
400 (number)700
700 (number)1000
1000 (number)1000000
1,000,000農業の歴史
History of agriculture雨乞い
Rainmaking (ritual)乾燥農業
Dryland farming干拓
Polderコロンブス交換
Columbian exchange混合農業
Mixed farming雑穀
Millet集約農業
Intensive farming荘園
Manorialism草木灰
Wood ash棚田
Terrace (earthworks)ダム
Dam▼-1 trendsため池
多目的ダム
山池