Pay dirt; farming & gardening...
J. I. Rodale
Buy from $19.00
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Healthy Soils, Sick Soils:...
Margareth Sekera
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Humus Chemistry: Genesis,...
F J Stevenson
Buy from $262.89
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Soil Organic Matter in...
Eldor A Paul,
Keith H Paustian
Buy from $108.26
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Soil Organic Matter in...
Fred Magdoff (Editor),
Ray R Weil (Editor)
Buy from $55.02
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Secrets of Fertile Soils:...
Erhard Hennig
Buy from $24.47
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Building Soils for Better...
Fred Magdoff,
Harold Vanes
Buy from $9.98
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Humic Substances: Structures,...
E A Ghabbour (Editor),
G Davies (Editor)
Buy from $86.48
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Biophysico-Chemical Processes...
Nicola Senesi,
Baoshan Xing
Buy from $146.33
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Humic Matter in Soil and the...
Kim H Tan
Buy from $78.55
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Humic Substances in Soil and...
Patrick MacCarthy,
International Humic Substances Society
Buy from $24.94
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Soil Organic Carbon and...
R Lal
Buy from $142.62
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Sustainable Soils: The Place...
Benjamin Wolf,
George Snyder
Buy from $17.96
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Sustainable Management of...
Robert M Rees,
Bruce C Ball
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Humic, Fulvic, and Microbial...
William R. Jackson
Buy from $885.56
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Building Soils for Better...
Fred Magdoff
Buy from $9.32
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Building Soils for Better...
Fred Magdoff,
Harold Van Es
Buy from $21.99
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Humic substances in soil,...
George R Aiken
Buy from $109.90
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Building Soils for Better...
Fred Magdoff
Buy from $109.75
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Humus Chemistry: Genesis,...
F J Stevenson
Buy from $44.05
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Humic Substances: Structures,...
G Davies (Editor),
E a Ghabbour (Editor)
Buy from $22.91
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Aquatic and Terrestrial Humic...
R F Christman
Buy from $26.49
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