975 resultados para Phosphorus redistribution
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Mode of access: Internet.
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Mode of access: Internet.
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"November 1, 1951."
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"Presented at the 44th Annual Conference of the Water Pollution Control Federation, San Francisco, California (October, 1971)"--P. 1.
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Includes bibliographical references.
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Special problem (M. N. S.)--Cornell Univ., Feb. 1948.
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"September 1987."
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Mode of access: Internet.
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"EPA-905/9-91-006B"--Vol. 2.
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"Printed: April 1988."
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The purpose of the report is to evaluate baseline loadings of nutrients and sediment to the Mississippi River and the Ohio River from the state of Illinois and to identify the sources of those loads; also evaluated are baseline loadings of nutrients and sediments to the Illinois River from its tributaries.
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"August, 1986."
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Mode of access: Internet.
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"April 2003."
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"February 2004."