Biblioteca Digital

24 resultados para phosphorus deficiency

The phosphorus and arsenic compounds of sea-water

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The determination of phosphorus and nitrogen in plankton

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"Organic" phosphorus in sea water from the English Channel

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On the ratio of nitrogen to phosphorus in the sea

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Phosphorus, nitrogen, iron and manganese in marine zooplankton

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Nitrogen and phosphorus required for the growth of phytoplankton

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Phosphorus and iron in Sagitta setosa and Sagitta elegans

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The utilization of organic phosphorus by phytoplankton

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The estimation of phosphate and of total phosphorus in sea water

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A source of error in the absorptiometric determination of inorganic and total phosphorus in sea water

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The cycle of phosphorus in the waters of the English Channel

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Notes on the absorption of organic phosphorus compounds by Nitzschia closterium in the dark

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Phosphorus and silicon in sea water off Plymouth during the years 1950 to 1953

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Phosphorus and silicon in sea water off Plymouth during 1954

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Phosphorus and silicon in sea water off Plymouth during 1955

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