The New Encyclopædia Britannica: Macropædia : Knowledge in depthEncyclopaedia Britannica, 2002 - Encyclopedias and dictionaries V.1-12 Micropaedia: Ready reference -- V.13-29 Macropaedia: Knowledge in depth -- V.[30] Propaedia: Outline of knowledge -- V.[31] Index, A-K -- V.[32] Index, L-Z. |
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Page 215
... Irrigation . Although the Irrawaddy has been little used for irrigation in the central dry zone , its tributary , the Mu River , has been used for this purpose since the 9th century . The Mu Valley Irrigation Project is among the ...
... Irrigation . Although the Irrawaddy has been little used for irrigation in the central dry zone , its tributary , the Mu River , has been used for this purpose since the 9th century . The Mu Valley Irrigation Project is among the ...
Page 232
... Irrigation . Irrigation from Indus waters has provided the basis for successful agriculture since time immemorial . Modern irrigation engineering work com- menced around 1850 , and large canal systems were con- structed by the British ...
... Irrigation . Irrigation from Indus waters has provided the basis for successful agriculture since time immemorial . Modern irrigation engineering work com- menced around 1850 , and large canal systems were con- structed by the British ...
Page 234
... irrigation project . With the Mediterranean only 100 miles to the west at this reach , the Euphrates con- tinues south and southeast into a relatively barren part of Syria , where the cultivable floodplain is no more than a few miles ...
... irrigation project . With the Mediterranean only 100 miles to the west at this reach , the Euphrates con- tinues south and southeast into a relatively barren part of Syria , where the cultivable floodplain is no more than a few miles ...
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20th century agriculture altitude ancient animals Arctic Ocean Argentina Aristotelian Aristotle Aristotle's arthropods Asian Athens Atlantic atmosphere atoms basin Buenos Aires carbon Caspian Central Asia centre China Chinese climate coast criticism cultural delta deposits desert east eastern economic electrons energy Eskimo ethnic Evenk exploration feet fish flow forest glaciers Greenland groups Gulf Himalayas Hindu Kush hydrogen important India Indus irrigation Islands Karakoram kilometres Lake land language major marginal Mediterranean metres miles million years ago modern mountains Myanmar neutrons northern nuclear nucleons nucleus O₂ orbitals oxygen painting Pakistan Paleozoic Pamirs particles patterns Peninsula plains Plateau political population production protons range region ridges River Russian Siberia slopes soils Southeast Southeast Asia southern species steppe Strait structure summer surface temperature theory Tibet Tien Shan tion trade traditional tundra valleys western winter Yakut Yangtze Yenisey zone