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The Arab Agricultural Revolution was the transformation in
agriculture Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to ...
from the 8th to the 13th century in the Islamic region of the
Old World The "Old World" is a term for Afro-Eurasia that originated in Europe , after Europeans became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia, which were previously thought of by th ...
. The
agronomic Agricultural economics is an applied field of economics concerned with the application of economic theory in optimizing the production and distribution of food and fiber products. Agricultural economics began as a branch of economics that specif ...
literature of the time, with major books by
Ibn Bassal Ibn Bassal ( ar, ابن بصال) was an 11th-century Andalusian Arab botanist and agronomist in Toledo and Seville, Spain who wrote about horticulture and arboriculture. He is best known for his book on agronomy, the ''Dīwān al-filāha'' (An ...
and Abū l-Khayr al-Ishbīlī, demonstrates the extensive diffusion of useful plants to Medieval Spain (
al-Andalus Al-Andalus translit. ; an, al-Andalus; ast, al-Ándalus; eu, al-Andalus; ber, ⴰⵏⴷⴰⵍⵓⵙ, label= Berber, translit=Andalus; ca, al-Àndalus; gl, al-Andalus; oc, Al Andalús; pt, al-Ândalus; es, al-Ándalus () was the Mu ...
), and the growth in Islamic scientific knowledge of agriculture and horticulture. Medieval Arab historians and geographers described al-Andalus as a fertile and prosperous region with abundant water, full of fruit from trees such as the olive and pomegranate. Archaeological evidence demonstrates improvements in
animal husbandry Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, fibre, milk, or other products. It includes day-to-day care, selective breeding, and the raising of livestock. Husbandry has a long history, startin ...
and in irrigation such as with the ''
sakia A sāqiyah or saqiya ( ar, ساقية), also spelled sakia or saqia) is a mechanical water lifting device. It is also called a Persian wheel, tablia, rehat, and in Latin tympanum. It is similar in function to a scoop wheel, which uses buckets, ...
'' water wheel. These changes made agriculture far more productive, supporting population growth, urbanisation, and increased stratification of society. The revolution was first described by the historian Antonio Garcia Maceira in 1876. The name was coined by the historian Andrew Watson in an influential but at the time controversial 1974 paper. However, 40 years on, it has proven useful to historians and has been supported by findings in archaeology and
archaeobotany Paleoethnobotany (also spelled palaeoethnobotany), or archaeobotany, is the study of past human-plant interactions through the recovery and analysis of ancient plant remains. Both terms are synonymous, though paleoethnobotany (from the Greek words ...
.


Medieval history


Islamic agronomy

The first Arabic book on
agronomy Agronomy is the science and technology of producing and using plants by agriculture for food, fuel, fiber, chemicals, recreation, or land conservation. Agronomy has come to include research of plant genetics, plant physiology, meteorology, and s ...
to reach
al-Andalus Al-Andalus translit. ; an, al-Andalus; ast, al-Ándalus; eu, al-Andalus; ber, ⴰⵏⴷⴰⵍⵓⵙ, label= Berber, translit=Andalus; ca, al-Àndalus; gl, al-Andalus; oc, Al Andalús; pt, al-Ândalus; es, al-Ándalus () was the Mu ...
, in the 10th century, was
Ibn Wahshiyya ( ar, ابن وحشية), died , was a Nabataean (Aramaic-speaking, rural Iraqi) agriculturalist, toxicologist, and alchemist born in Qussīn, near Kufa in Iraq. He is the author of the ''Nabataean Agriculture'' (), an influential Arabic work o ...
's '' al-Filahat al-nabatiyya'' ( Nabatean Agriculture), from Iraq; it was followed by texts written in al-Andalus, such as the ''Mukhtasar kitab al-filaha'' (Abridged Book of Agriculture) by
Al-Zahrawi Abū al-Qāsim Khalaf ibn al-'Abbās al-Zahrāwī al-Ansari ( ar, أبو القاسم خلف بن العباس الزهراوي;‎ 936–1013), popularly known as al-Zahrawi (), Latinised as Albucasis (from Arabic ''Abū al-Qāsim''), was ...
(Abulcasis) from Cordoba, around 1000 AD. The eleventh century agronomist
Ibn Bassal Ibn Bassal ( ar, ابن بصال) was an 11th-century Andalusian Arab botanist and agronomist in Toledo and Seville, Spain who wrote about horticulture and arboriculture. He is best known for his book on agronomy, the ''Dīwān al-filāha'' (An ...
of Toledo described 177 species in his ''Dīwān al-filāha'' (The Court of Agriculture). Ibn Bassal had travelled widely across the Islamic world, returning with a detailed knowledge of agronomy. His practical and systematic book both gives detailed descriptions of useful plants including leaf and root vegetables, herbs, spices and trees, and explains how to propagate and care for them. The twelfth century agronomist
Abū l-Khayr al-Ishbīlī The Arab Agricultural Revolution was the transformation in agriculture from the 8th to the 13th century in the Islamic region of the Old World. The agronomic literature of the time, with major books by Ibn Bassal and Abū l-Khayr al-Ishbīlī, ...
of Seville described in detail in his ''Kitāb al-Filāha'' (Treatise on Agriculture) how olive trees should be grown,
graft Graft or grafting may refer to: *Graft (politics), a form of political corruption *Graft, Netherlands, a village in the municipality of Graft-De Rijp Science and technology * Graft (surgery), a surgical procedure *Grafting, the joining of plant t ...
ed (with an account of his own experiments), treated for disease, and harvested, and gave similar detail for crops such as cotton. Medieval Islamic agronomists including Ibn Bassal and Abū l-Khayr described
agricultural Agriculture or farming is the practice of cultivating plants and livestock. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people ...
and
horticultural Horticulture is the branch of agriculture that deals with the art, science, technology, and business of plant cultivation. It includes the cultivation of fruits, vegetables, nuts, seeds, herbs, sprouts, mushrooms, algae, flowers, seaweeds and no ...
techniques including how to propagate the olive and the date palm,
crop rotation Crop rotation is the practice of growing a series of different types of crops in the same area across a sequence of growing seasons. It reduces reliance on one set of nutrients, pest and weed pressure, and the probability of developing resistant ...
of
flax Flax, also known as common flax or linseed, is a flowering plant, ''Linum usitatissimum'', in the family Linaceae. It is cultivated as a food and fiber crop in regions of the world with temperate climates. Textiles made from flax are known in ...
with wheat or barley, and
companion planting Companion planting in gardening and agriculture is the planting of different crops in proximity for any of a number of different reasons, including pest control, pollination, providing habitat for beneficial insects, maximizing use of space, an ...
of grape and olive. These books demonstrate the importance of agriculture both as a traditional practice and as a scholarly science. In al-Andalus, there is evidence that the almanacs and manuals of agronomy helped to catalyse change, causing scholars to seek out new kinds of vegetable and fruit, and to carry out experiments in botany; in turn, these helped to improve actual practice in the region's agriculture. During the 11th century
Abbadid dynasty The Abbadid dynasty or Abbadids ( ar, بنو عباد, Banū ʿAbbādi) was an Arab Muslim dynasty which arose in al-Andalus on the downfall of the Caliphate of Cordoba (756–1031). After the collapse, there were multiple small Muslim states cal ...
in Seville, the sultan took a personal interest in fruit production, discovering from a peasant the method he had used to grow some exceptionally large
melon A melon is any of various plants of the family Cucurbitaceae with sweet, edible, and fleshy fruit. The word "melon" can refer to either the plant or specifically to the fruit. Botanically, a melon is a kind of berry, specifically a " pepo". The ...
s—pinching off all but ten of the buds, and using wooden props to hold the stems off the ground.


Islamic animal husbandry

Archaeological Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscap ...
evidence from the measurement of bones (
osteometry Osteometry is the study and measurement of the human or animal skeleton, especially in an anthropological or archaeological context. In Archaeology it has been used to various ends in the subdisciplines of Zooarchaeology and Bioarchaeology. In z ...
) demonstrates that sheep in southern Portugal increased in size during the Islamic period, while cattle increased when the area became Christian after its reconquest. The archaeologist Simon Davis assumes that the change in size signifies improvement by
animal husbandry Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, fibre, milk, or other products. It includes day-to-day care, selective breeding, and the raising of livestock. Husbandry has a long history, startin ...
, while in his view the choice of sheep is readily explained by the Islamic liking for
mutton Lamb, hogget, and mutton, generically sheep meat, are the meat of domestic sheep, ''Ovis aries''. A sheep in its first year is a lamb and its meat is also lamb. The meat from sheep in their second year is hogget. Older sheep meat is mutton. Gen ...
.


Islamic irrigation

During the period, irrigated cultivation developed due to the growing use of
animal power A working animal is an animal, usually domesticated, that is kept by humans and trained to perform tasks instead of being slaughtered to harvest animal products. Some are used for their physical strength (e.g. oxen and draft horses) or for t ...
, water power and wind power. Windpumps were used to pump water since at least the 9th century in what is now
Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...
, Iran and Pakistan. The Islamic period in the
Fayyum Faiyum ( ar, الفيوم ' , borrowed from cop,  ̀Ⲫⲓⲟⲙ or Ⲫⲓⲱⲙ ' from egy, pꜣ ym "the Sea, Lake") is a city in Middle Egypt. Located southwest of Cairo, in the Faiyum Oasis, it is the capital of the modern Faiyum ...
depression of Middle Egypt, like medieval Islamic Spain (al-Andalus), was characterised by extremely large-scale systems of irrigation, with both the supply, via gravity-fed
canal Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface fl ...
s, and the management of water under local tribal control. In the Islamic period in al-Andalus, whose rural parts were equally tribal, the irrigation canal network was much enlarged. Similarly, in the Fayyum, new villages were established in the period, and new water-dependent orchards and sugar plantations were developed. The ''
sakia A sāqiyah or saqiya ( ar, ساقية), also spelled sakia or saqia) is a mechanical water lifting device. It is also called a Persian wheel, tablia, rehat, and in Latin tympanum. It is similar in function to a scoop wheel, which uses buckets, ...
'' or animal-powered irrigation wheel was likely introduced to Islamic Spain in early Umayyad times (in the 8th century). Improvements to it were described by Hispano-Arabic agronomists in the 11th and 12th centuries. From there, ''sakia'' irrigation was spread further around Spain and Morocco. A 13th century observer claimed there were "5000" waterwheels along the Guadalquivir in Islamic Spain; even allowing for medieval exaggeration, irrigation systems were certainly extensive in the region at that time. The supply of water was sufficient for cities as well as agriculture: the Roman aqueduct network into the city of Cordoba was repaired in the Umayyad period, and extended.


Early accounts of Islamic Spain

Medieval Andalusian historians such as
Ibn Bassam Ibn Bassām or Ibn Bassām al-Shantarinī (; 1058-1147) was an Arab poet and historian from al-Andalus. He was born in Santarém (sometimes spelled Shantarin or Xantarin) and hailed from the Banu Taghlib tribe. He died in 1147. Ibn Bassam descr ...
,
Ibn Hayyan Abū Marwān Ḥayyān ibn Khalaf ibn Ḥusayn ibn Ḥayyān al-Qurṭubī () (987–1075), usually known as Ibn Hayyan, was a Muslim historian from Al-Andalus. Born at Córdoba, his father was an important official at the court of the Andalusi ...
, and Ibn Hazm, and geographers such as
al-Bakri Abū ʿUbayd ʿAbd Allāh ibn ʿAbd al-ʿAzīz ibn Muḥammad ibn Ayyūb ibn ʿAmr al-Bakrī ( ar, أبو عبيد عبد الله بن عبد العزيز بن محمد بن أيوب بن عمرو البكري), or simply al-Bakrī (c. 1040–1 ...
, al-Idrisi, and
al-Zuhri al-Zuhri is an Arabic name which may refer to: *Ibn Shihab al-Zuhri, 8th-century hadith scholar and jurist * Ahmad ibn Abi Bakr al-Zuhri (767–856), 9th-century Maliki jurist *Muhammad ibn Abi Bakr al-Zuhri, 12th-century Andalusian geographer See ...
, described Islamic Spain as a fortunate entity. Indeed, the tenth-century Jewish scribe Menahem Ben Saruq wrote to the Khazar king "The name of our land in which we dwell ... in the language of the Arabs, the inhabitants of the land,
al-Andalus Al-Andalus translit. ; an, al-Andalus; ast, al-Ándalus; eu, al-Andalus; ber, ⴰⵏⴷⴰⵍⵓⵙ, label= Berber, translit=Andalus; ca, al-Àndalus; gl, al-Andalus; oc, Al Andalús; pt, al-Ândalus; es, al-Ándalus () was the Mu ...
... the land is rich, abounding in rivers, springs, and aqueducts; a land of
corn Maize ( ; ''Zea mays'' subsp. ''mays'', from es, maíz after tnq, mahiz), also known as corn (North American and Australian English), is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago. The ...
,
oil An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) & lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturated ...
, and wine, of fruits and all manner of delicacies; it has pleasure-gardens and orchards, fruitful trees of every kind, including ...
white mulberry ''Morus alba'', known as white mulberry, common mulberry and silkworm mulberry, is a fast-growing, small to medium-sized mulberry tree which grows to tall. It is generally a short-lived tree with a lifespan comparable to that of humans, although ...
] upon which the silkworm feeds". Ahmed Mohammed al-Maqqari, al-Maqqari, quoting the ninth-century Ahmad ibn Muhammad ibn Musa al-Razi, describes al-Andalus as a rich land "with good, arable soil, fertile settlements, flowing copiously with plentiful rivers and fresh springs." Al-Andalus was associated with cultivated trees like olive and pomegranate. After the
Christian reconquest The ' (Spanish, Portuguese and Galician for "reconquest") is a historiographical construction describing the 781-year period in the history of the Iberian Peninsula between the Umayyad conquest of Hispania in 711 and the fall of the Nasrid ...
, arable farming was frequently abandoned, the land reverting to pasture, though some farmers tried to adopt Islamic agronomy. Western historians have wondered if the Medieval Arab historians were reliable, given that they had a motive to emphasize the splendour of al-Andalus, but evidence from archaeology has broadly supported their claims.


Scholarly debate

In 1876, the historian Antonia Garcia Maceira argued that where the Romans and then the Goths who farmed in Spain made little effort to improve their crops or to import species from other regions, under "the Arabs", there was an agricultural "revolution" in al-Andalus caused "by implementing the knowledge that they acquired through observation during their peregrinations, and the result was extensive agricultural settlement." In 1974, the historian Andrew Watson published a paper proposing an extension of Garcia Maceira's hypothesis of agricultural revolution in Al-Andalus. Watson argued that the economy established by
Arab The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Western Asia, No ...
and other Muslim traders across the
Old World The "Old World" is a term for Afro-Eurasia that originated in Europe , after Europeans became aware of the existence of the Americas. It is used to contrast the continents of Africa, Europe, and Asia, which were previously thought of by th ...
enabled the diffusion of many crops and farming techniques throughout the Islamic world, as well as the adaptation of crops and techniques from and to regions outside it. Crops from Africa, such as sorghum, from China, such as
citrus fruit ''Citrus'' is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, lemons, grapefruits, pomelos, and limes. The genus ''Citrus'' is native to ...
s, and from India, such as mango, rice, cotton and sugar cane, were distributed throughout Islamic lands, which he believed had not previously grown these plants. He listed eighteen such crops. Watson suggested that these introductions, along with an increased
mechanization Mechanization is the process of changing from working largely or exclusively by hand or with animals to doing that work with machinery. In an early engineering text a machine is defined as follows: In some fields, mechanization includes the ...
of agriculture and irrigation, led to major changes in economy,
population distribution Species distribution —or species dispersion — is the manner in which a biological taxon is spatially arranged. The geographic limits of a particular taxon's distribution is its range, often represented as shaded areas on a map. Patterns of ...
, vegetation cover, agricultural production and income, population,
urban growth Urban sprawl (also known as suburban sprawl or urban encroachment) is defined as "the spreading of urban developments (such as houses and shopping centers) on undeveloped land near a city." Urban sprawl has been described as the unrestricted growt ...
, distribution of the labour force, industries linked to agriculture, cooking, diet and clothing in the Islamic world. In 1997, the historian of science Howard R. Turner wrote that Islamic study of soil, climate, seasons and ecology "promoted a remarkably advanced horticulture and agriculture. The resulting knowledge, transmitted to Europe after the eleventh century, helped to improve farming techniques, widen the variety of crops, and increase yields on the continent's farmlands. In addition, an enormous variety of crops was introduced to the West from or through Muslim lands". In 2006, James E. McClellan III and Harold Dorn stated in their book ''Science and Technology in World History'' that Islam had depended as much on its farmers as its soldiers, and that the farmers had helped to create a "scientific civilisation": "in what amounted to an agricultural revolution they adapted new and more diversified food crops to the Mediterranean ecosystem: rice, sugar cane, cotton, melons, citrus fruits, and other products. With rebuilt and enlarged systems of irrigation, Islamic farming extended the growing season and increased productivity." They stated further that the importance of these efforts was indicated by the "uninterrupted series" of books on agriculture and irrigation; another indication was provided by the many books on particular animals of importance to Islamic farming and government, including horses and bees. They ascribed the population growth, urbanisation, social stratification, centralisation of politics and state-controlled scholarship to the improvement in agricultural productivity. By 2008, the archaeozoologist Simon Davis could write without qualification that in the Iberian peninsula "Agriculture flourished: the Moslems introduced new irrigation techniques and new plants like sugar cane, rice, cotton, spinach, pomegranates and citrus trees, to name just a few... Seville had become a Mecca for agronomists, and its hinterland, or ''Aljarafe'', their laboratory." In 2011, the Arabist wrote that in
Medieval Egypt Following the Islamic conquest in 639, Lower Egypt was ruled at first by governors acting in the name of the Rashidun Caliphs and then the Umayyad Caliphs in Damascus, but in 747 the Umayyads were overthrown. Throughout Islamic rule, Askar was ...
, the Arab Agricultural Revolution was followed by a "commercial revolution" as the
Fatimids The Fatimid Caliphate was an Ismaili Shi'a caliphate extant from the tenth to the twelfth centuries AD. Spanning a large area of North Africa, it ranged from the Atlantic Ocean in the west to the Red Sea in the east. The Fatimids, a dyn ...
(in power 909-1171) made Egypt a major trade centre for the Mediterranean and the Indian Ocean, and in the more cosmopolitan and sophisticated society that resulted, a "culinary revolution" which transformed Egyptian cuisine.


Early scepticism

Watson's work was met with some early scepticism, such as from the historian Jeremy Johns in 1984. Johns argued that Watson's selection of 18 plants was "peculiar", since the
banana A banana is an elongated, edible fruit – botanically a berry – produced by several kinds of large herbaceous flowering plants in the genus ''Musa''. In some countries, bananas used for cooking may be called "plantains", distinguis ...
,
coconut The coconut tree (''Cocos nucifera'') is a member of the palm tree family (Arecaceae) and the only living species of the genus ''Cocos''. The term "coconut" (or the archaic "cocoanut") can refer to the whole coconut palm, the seed, or the ...
, mango and shaddock were unimportant in the Islamic region at the time, detracting from the discussion of the staple crops. Johns further noted that the evidence of diffusion of crops was imperfect, that Watson made "too many minor slips and larger errors" such as getting dates wrong or claiming that a 1439 document was Norman, and had failed to make best use of the evidence that was available, such as of the decline of classical agriculture, or even to mention the changing
geomorphology Geomorphology (from Ancient Greek: , ', "earth"; , ', "form"; and , ', "study") is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or ...
. Johns however concluded that "The hypothesis of an 'Abbasid agricultural revolution is challenging and may well prove useful". The historian Eliyahu Ashtor wrote in 1976 that agricultural production declined in the period immediately after the
Arab conquest The spread of Islam spans about 1,400 years. Muslim conquests following Muhammad's death led to the creation of the caliphates, occupying a vast geographical area; conversion to Islam was boosted by Arab Muslim forces conquering vast territories ...
in areas of Mesopotamia and Egypt, on the limited basis of records of taxes collected on cultivated areas. In a 2012 paper focusing on the
Sawād Sawad was the name used in early Islamic times (7th–12th centuries) for southern Iraq. It means "black land" or "arable land" and refers to the stark contrast between the alluvial plain of Mesopotamia and the Arabian Desert. Under the Umayya ...
area of Iraq, Michele Campopiano concluded that Iraqi agricultural output declined in the 7th to 10th century; he attributed this decline to "competition of the different ruling groups to gain access to land surplus".


Diffusion not revolution

In 2009, the historian Michael Decker stated that widespread cultivation and consumption of four staples, namely durum wheat, Asiatic rice, sorghum and cotton were already commonplace under the
Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Roman Republic, Republican period of ancient Rome. As a polity, it included large territorial holdings aro ...
and Sassanid Empire, centuries before the Islamic period. He suggested that their actual role in Islamic agriculture had been exaggerated, arguing that the agricultural practices of Muslim cultivators did not fundamentally differ from those of pre-Islamic times, but evolved from the hydraulic know-how and 'basket' of agricultural plants inherited from their Roman and Persian predecessors. In the case of cotton, which the Romans grew mainly in Egypt, the plant remained a minor crop in the classical Islamic period: the major fibre was flax, as in Roman times. Decker further asserted that the advanced state of ancient irrigation practices "rebuts sizeable parts of the Watson thesis," since for example in Spain, archaeological work indicated that the Islamic irrigation system was developed from the existing Roman network, rather than replacing it. Decker agreed that "Muslims made an important contribution to world farming through the westward diffusion of some crops", but that the introduction of "agronomic techniques and materials" had been less widespread and less consistent than Watson had suggested. Furthermore, there is clear evidence that agricultural devices such as watermills and
waterwheel A water wheel is a machine for converting the energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a wheel (usually constructed from wood or metal), with a number of blades or bucke ...
s,
shaduf A shadoof or shaduf (from the Arabic word , ''šādūf'') is an irrigation tool. It is highly efficient, and has been known since 3000 BCE. Names It is also called a lift, well pole, well sweep, or simply a sweep in the US.Knight, Edward Henry ...
s, norias,
sakia A sāqiyah or saqiya ( ar, ساقية), also spelled sakia or saqia) is a mechanical water lifting device. It is also called a Persian wheel, tablia, rehat, and in Latin tympanum. It is similar in function to a scoop wheel, which uses buckets, ...
s,
water screw A screw pump is a positive-displacement pump that use one or several screws to move fluid solids or liquids along the screw(s) axis. Three principal forms exist; In its simplest form (the Archimedes' screw pump or 'water screw'), a single scr ...
s and
water pump A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action, typically converted from electrical energy into hydraulic energy. Pumps can be classified into three major groups according to the method they ...
s were widely known and applied in Greco-
Roman agriculture Roman agriculture describes the farming practices of ancient Rome, during a period of over 1000 years. From humble beginnings, the Roman Republic (509 BC to 27 BC) and the Roman Empire (27 BC to 476 AD) expanded to rule much of Europe, northern ...
long before the Muslim conquests.


Revolution driven by social institutions

D. Fairchild Ruggles D. (Dede) Fairchild Ruggles is a historian of Islamic art and architecture, and a professor in the University of Illinois Department of Landscape Architecture. She is known for her books on Islamic gardens and landscapes, her series of edited v ...
rejected the view that the medieval Arab historians had been wrong to claim that agriculture had been revolutionised, and that it had instead simply been restored to a state like that before the collapse of the
Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Roman Republic, Republican period of ancient Rome. As a polity, it included large territorial holdings aro ...
. She argued that while the medieval Arab historians may not have had a reliable picture of agricultural knowledge before their time, they were telling the truth about a dramatic change to the landscape of Islamic Spain. A whole new "system of crop rotation, fertilization, transplanting, grafting, and irrigation" was swiftly and systematically put into place under a new legal framework of land ownership and tenancy. In her view, therefore, there was indeed an agricultural revolution in al-Andalus, but it consisted principally of new social institutions rather than of new agronomic techniques. Ruggles stated that this "dramatic economic, scientific, and social transformation" began in al-Andalus and had spread throughout the Islamic Mediterranean by the 10th century.


Historiography

Looking back over 40 years of scholarship since Watson's theory, the historian of land use Paolo Squatriti wrote in 2014 that the thesis had been widely used and cited by historians and archaeologists working in different fields. It had "proved to be applicable in scholarly debates about technological diffusion in pre-industrial societies, the 'decline' of Islamic civilization, the relations between elite and peasant cultural systems, Europe's historical Sonderweg in the second millennium CE, the origins of globalization, ndthe nature of Mediterraneity." Squatriti noted that Watson had originally trained in economics, and applied this interest to his historical studies. Squatriti described Watson's paper as concise and elegant, and popular for its usefulness in supporting the theses of many different historians. He observed that Watson's thesis did not depend on claims of new introductions of plants into any region, but of their "diffusion and normalization", i.e. of their becoming widely and generally used, even if they were known from Roman times. Calling Watson's "philological" approach "old fashioned", and given that Watson had worked "virtually without archaeology", Squatrini expressed surprise that recent research in
archaeobotany Paleoethnobotany (also spelled palaeoethnobotany), or archaeobotany, is the study of past human-plant interactions through the recovery and analysis of ancient plant remains. Both terms are synonymous, though paleoethnobotany (from the Greek words ...
had failed to "decisively undermine" Watson's thesis.


Notes


References


Sources

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External links

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Crop Diffusion in the Early Islamic World
{{Islamic studies History of agriculture Islamic Golden Age Technology in the medieval Islamic world Agricultural revolutions Technology in the Middle Ages