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_aThomas, Richard J. _991446 |
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_aSustainable Land Management For The Oxisols of The American Savannas : _bDynamics of Soil Organic Matter and Indicators of Soil Quality. / _cRichard Thomas; Miguel A. Ayarza. Editores |
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| 264 | _c1999 | ||
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_aAyarza, Miguel A. _991447 |
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_aSustainable Land Management For The Oxisols of The American Savannas: Dynamics of Soil Organic Matter and Indicators of Soil Quality, _991448 |
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| 035 | _a631.2 -S964-Sustainable Land Management For The Oxisols of The American Savannas : -Dynamics of Soil Organic Matter and Indicators of Soil Quality. / | ||
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