27 resultados para excess phosphorus
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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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Mode of access: Internet.
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"August, 1986."
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"Adopted March 1, 1952."
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Mode of access: Internet.
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"B-223943"--P. [1].
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Running title: Phosphorus metabolism.
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v. 1. Chemistry.--v. 2. Technology, biological functions, and applications.
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Shipping list no.: 97-0029-P.