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Diane Publishing Books
Worldís Greatest Fix: A History of Nitrogen & Agriculture
G. J. Leigh (au). Tells the story of how humans have used their ingenuity to maintain soil fertility despite continuous use, & to avoid famine through productive ag. Shows how the devít. of towns & fixed settlements meant that methods had to be found to maintain the fertility of fields exploited year after year. The way this was done is described for the ancient Chinese, the Incas, the Maya, & the Romans. Examines the devít. of ag. in England, particularly the use of crop rotations. Details the 17th-cent. devít. of chemistry, & the estab. of ag. science by Davy & von Liebig. Deals with the birth of the nitrogen fixation indíy. Discusses the value of ind. nitrate to help feed the world popín. & the environ. consequences of nitrate use in terms of pollution in waters & human health. Illus.
Assassin: From Lincoln to Gandhi
Where the Domino Fell: America & Vietnam, 1945 to 1990
Karluk: The Great Untold Story of Arctic Exploration
Travelerís Self Care Manual: A Self Help Guide to Emergency Medical Treatment for the Traveler
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