Similar to 水論

Wolf hunting

Dryland farming

Gezira Scheme

International Commission on Irrigation and Drainage

Tenant farmer

Mixed farming

Rainmaking (ritual)

Qanat

Yakhchāl

Irrigation

40th century BC

39th century BC

38th century BC

37th century BC

36th century BC

35th century BC

34th century BC

33rd century BC

32nd century BC

31st century BC

29th century BC

28th century BC

27th century BC

26th century BC