The New Encyclopaedia Britannica, Volumes 1-10Encyclopaedia Britannica, 1974 - Reference [1] Propaedia: outline of knowledge and guide to the Britannica.--[2]-[11] Micropaedia: ready reference and index.--[12]-[30] Macropaedia: knowledge in depth. |
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Page 393
... PLANT AND ANIMAL LIFE Plants and vegetation . Overall characteristics . Less than 200 years ago , Australian vegetation was still in its primal stage ; the older plants in its present woodlands and forests began their lives before the ...
... PLANT AND ANIMAL LIFE Plants and vegetation . Overall characteristics . Less than 200 years ago , Australian vegetation was still in its primal stage ; the older plants in its present woodlands and forests began their lives before the ...
Page 572
... plant surfaces and will grow if condi- tions are favourable . They also invade and infect plant tissues , from which they are dispersed periodically into the atmosphere . Soil , particularly rich garden soil , con- tains countless ...
... plant surfaces and will grow if condi- tions are favourable . They also invade and infect plant tissues , from which they are dispersed periodically into the atmosphere . Soil , particularly rich garden soil , con- tains countless ...
Page 1050
... plants , with associated soil fauna , participate in determining soil composition , structure , and fertility . In the zone of plant roots , soil bacteria and fungi interact with each other , some producing nutrients ( metabolites ) ...
... plants , with associated soil fauna , participate in determining soil composition , structure , and fertility . In the zone of plant roots , soil bacteria and fungi interact with each other , some producing nutrients ( metabolites ) ...
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The New Encyclopaedia Britannica, Volumes 1-10 Encyclopaedia Britannica Publishers, Inc. Staff No preview available - 1974 |
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19th century aesthetic ancient areas armour army arthropods artiodactyls artists aschelminths Asia Asian Assam Asterales astronomical atheism Athens atheriniforms Atlantic atmosphere atoms Basin beryciforms Cenozoic Central centre China climate countries criticism culture early Earth East economic effect electrons elements energy exosphere Finland forces forest fossil France function galaxies Games gases gastrotrichs German Greek groups Gt.Brit heterosphere Hittite homosphere hydrogen important increase India Indonesia industrial Italy Japan kilometres layer lines literature mass ment metres miles military modern molecules mountain North occur Ocean Olympic orbit organization original oxygen painting particles percent period planets Pleistocene political population priapulids produced radiation radio range region religion result rotifers Siberia social society solar South Southeast Southeast Asia southern Soviet species spectra spectrum stars structure style surface Sweden temperature theory tion tradition ture types usually wavelengths western zone