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Browsing by Subject "Phosphorus"
Now showing items 1-9 of 9
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(Inter-Research, 2011-06-27)We present a spatially extensive record of dinitrogen (N₂) fixation rates and distributions of N₂ fixing microorganisms along with the results of exogenous phosphorus (P) addition experiments conducted during a series ...
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(1960-04-27)The nutrient elements needed for the optimum growth and yield of pear trees is vitally important to the pear growers. The knowledge of the amounts and kinds of fertilizer to apply to obtain this growth could increase ...
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(2011-07-01)Upper Klamath Lake (UKL) and Agency Lake (AL) in southern Oregon are both hypereutrophic, in large part due to natural and anthropogenic loading of phosphorus (P), resulting in annual blooms of blue-green algae. Reductio ...
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(Corvallis, Or. : Agricultural Experiment Station, Oregon State University, 1981-04)
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(2010-10-05)Under conditions of fixed N-limitation, as with most oligotrophic systems, the process of biological N₂ fixation (diazotrophy) is favored, provided the necessary trace elements and vitamins are sufficient. Despite the we ...
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(U.S. Dept. of the Interior, U.S. Geological SurveyBranch of Information Services [distributor], 1997)The purposes of this report are to describe the quality of shallow ground water in alluvial aquifers of the Willamette Basin and to identify relationships between shallow ground-water quality and various natural and anth ...
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(1992-08-03)The total amount of nitrogen and phosphorus in animal manures, and the proportion of this amount that becomes available as dissolved inorganic nitrogen and phosphorus within a month after manures are added to water wer ...
Now showing items 1-9 of 9
