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142
Soils and the environment : a guide to soil surveys and their applications / Gerald W. Olson.
by Olson, Gerald W.
Published 1981
Book
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144
Crisis & opportunity : sustainability in American agriculture / John E. Ikerd.
by Ikerd, John E.
Published 2008
Book
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145
Slash-and-burn agriculture : the search for alternatives / edited by Cheryl A. Palm [and others]
Published 2005
Book
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146
At work in Penn's Woods : the Civilian Conservation Corps in Pennsylvania / Joseph M. Speakman.
by Speakman, Joseph M., 1940-
Published 2006
Book
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147
Soil sampling, preparation, and analysis / Kim H. Tan.
Book
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148
The nature and properties of soils / Nyle C. Brady, Ray R. Weil.
by Brady, Nyle C.
Published 2008
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150
Old fields : dynamics and restoration of abandoned farmland / edited by Viki A. Cramer and Richard J. Hobbs.
Published 2007
Book
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151
Why conservation is failing and how it can regain ground / Eric T. Freyfogle.
by Freyfogle, Eric T.
Published 2006
Book
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153
Wendell Berry and the Agrarian tradition : a common grace / Kimberly K. Smith.
by Smith, Kimberly K., 1966-
Published 2003
Book
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160
Time to become barbarian : the extraordinary life of General Horace Capron / Harold S. Russell.
by Russell, Harold S.
Published 2007
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