What Natural Resources Did the Ottoman Empire Use?

The Ottoman Empire, which stretched across southeastern Europe, western Asia, and northern Africa for over six centuries, relied on a wide range of natural resources to sustain its economy and military power. Agriculture formed the backbone, but the empire also drew heavily on forests, minerals, livestock, and eventually fossil fuels to maintain one of the largest states in the world.

Agricultural Crops Across Three Continents

The empire’s vast territory gave it access to diverse growing climates, and agriculture was by far its most important economic activity. Wheat and barley were staple grain crops grown across the Balkans, Anatolia, and the Fertile Crescent, feeding both the population and the military. Large farming estates in western Anatolia and the Balkans specialized in cash crops like cotton, figs, and grapes alongside grain. These estates used wage labor and were run by a class of provincial landholders who expanded aggressively into new territory.

Cotton became especially significant during the nineteenth century. In western Anatolia, districts stretching from Aydın to Denizli made raw cotton their primary commercial product. Egypt, under Ottoman authority, pushed cotton production even harder. By the end of the 1830s, raw cotton and cotton products accounted for roughly 94 percent of Egypt’s total exports. Egyptian agriculture also produced sugar cane, rice, and indigo, all of which required intensive irrigation fed by the Nile.

Grain was also a major export commodity. Egyptian rulers set up trade agencies as far away as Malta to sell grain to Spain and Portugal, building commercial networks that linked Ottoman agricultural output to European demand.

Silk From Bursa

Silk was one of the empire’s most valuable luxury resources, and the city of Bursa in northwestern Anatolia sat at the center of a global silk market. Historian Halil İnalcık described Bursa’s rise as a world silk market in the late fourteenth century as “the economic foundation of Ottoman power.” Between 1487 and 1513, Bursa imported roughly 120 metric tons of raw silk per year from trade routes running east through Persia and Central Asia.

Local silk production in Bursa grew more slowly, with mulberry trees for feeding silkworms first documented in the late sixteenth century. A silk spinners’ guild appeared by 1678, and production continued to expand, reaching its peak in the nineteenth century. Silk served both as a domestic luxury fabric and as a source of trade revenue that connected the Ottoman economy to markets across Europe and Asia.

Timber for the Imperial Navy

Forests were a strategic military resource. The Ottoman navy, one of the most powerful fleets in the Mediterranean for centuries, depended on timber for shipbuilding. By the late eighteenth century, the primary supply came from the forests around İzmit (near Istanbul) along with surrounding provinces and islands. Oak and pine were the key species used in constructing warships at the imperial shipyards in Istanbul. Controlling access to quality timber was a matter of state security, and the government closely managed forest regions that fed the naval dockyards.

Livestock and the Wool Trade

Sheep and goat herding was central to life in Anatolia, where pastoralist tribes made up a large share of the population in the central plateau. By the 1840s, annual sheep shipments from Asia Minor to Istanbul alone reached about 150,000 head per year, though this covered less than a quarter of the animals the capital slaughtered annually. By the early 1870s, Istanbul consumed around 1,140,000 animals per year, with roughly 300,000 coming from Anatolian provinces. Over the following two decades, Anatolian shipments rose by 45 percent as demand grew.

Wool and mohair were important export products alongside meat. Large landholders in central Anatolia raised enormous flocks for both purposes. The state even operated a farming enterprise in the Hüdavendigâr region that crossbred imported merino sheep with native stock to produce finer wool for state-run textile factories. Major port cities like İskenderun exported roughly 100,000 sheep and cattle annually to Egypt alone during the 1890s, with Mersin and Antalya handling smaller volumes.

Alum and Industrial Minerals

One of the empire’s most commercially important mineral resources was alum, a naturally occurring compound essential to the European textile industry. Alum acts as a mordant in dyeing, helping pigments bond permanently to cloth fibers. It was also used in leather tanning, metalwork, glass finishing, and medicine, but textile production drove the largest demand by far.

From the fourteenth to the late seventeenth century, Asia Minor was the main source of alum for all of Europe. Three sites dominated production: Şebinkarahisar in northern Anatolia, Gediz in western Anatolia, and the twin cities of Phocaea on the Aegean coast. The most prized commercial grade, known in Italian trade as “allume di sorte della buona luminiera,” was actually a blend of alum rock shipped from Şebinkarahisar and a locally processed variety from Phocaea. Control of these deposits gave the Ottomans significant leverage in European trade for centuries.

Salt as a State Monopoly

Salt was both a critical everyday commodity and a major source of government revenue. The Ottoman state established a centralized salt monopoly that it managed directly until 1881, when it was handed over to European creditors as part of the empire’s debt restructuring. Salt pans and mines operated across the empire’s territory, including in Greek lands and along coastal regions. The monopoly represented one of the Ottoman government’s most important indirect taxes and played a key role in the empire’s transition toward a more centralized fiscal system. Rather than leaving salt collection to local authorities, the state treated it as a national revenue stream worth controlling from the center.

Coal in the Nineteenth Century

The Ottoman Empire entered the fossil fuel era through the Zonguldak coalfield on the Black Sea coast of Anatolia. Coal was discovered in the region during the reign of Sultan Mahmud II (1808 to 1839), and production began in the 1840s, initially to supply the military. The coalfield grew rapidly after foreign investors received production concessions starting in 1849. Before coal was found there, Zonguldak was little more than a neighborhood in a small village.

Early mining operations were simple and temporary, but by the late nineteenth and early twentieth centuries, facilities became technologically more advanced and built for permanent use. Coal production expanded significantly in the second half of the century, fueled by foreign investment capital and the empire’s growing need for energy to power steamships, railways, and nascent industrial operations. Zonguldak remained the empire’s primary domestic coal source through its final decades.

Water Management and Irrigation

Across its arid and semi-arid territories, the Ottoman Empire inherited and maintained ancient water infrastructure that made agriculture possible at scale. Irrigation channels, dams, and underground water tunnels called qanats had been built across the Near East for centuries before Ottoman rule, and the empire continued relying on these systems to sustain farming in regions like Syria, Mesopotamia, and Egypt. The Nile’s seasonal flooding remained the foundation of Egyptian agriculture, supporting the water-intensive crops like cotton, rice, and sugar cane that made Egypt one of the empire’s most productive provinces. In Anatolia and the Levant, river-fed canal systems distributed water from major waterways like the Orontes and Euphrates to surrounding farmland, extending the reach of cultivation well beyond riverbanks.