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Your search for [subject]Water -- Nitrogen content returned 4 records. |
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Nutrient fluxes in various coastal ecosystems of the South China Sea perturbed by human activities.
by Dupra, Vilma C.; 2003.
Subject: Nutrient pollution of water -- South China Sea; Water -- Nitrogen content -- Analysis; Water -- Phosphorus content -- Analysis.
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Nitrogen movements in water draining from irrigated riceland.
by Singh, Virandra Pal.; [College, Laguna]: V.P. Singh, 1978.
Subject: Water -- Nitrogen content; Soils -- Nitrogen content.
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Effect of nitrogen and phosphorus ratios on the productivity of brackishwater fishponds.
by Saclauso, Crispino A.; 1981.
Subject: Fish ponds -- Philippines; Brackish water; Water -- Nitrogen content; Phosphorus.
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Land use and groundwater quality in the upper Agno watershed (Loo and Cayapas Valleys, Northern Benguet).
by Pascua, Chelo Supnet; 2000.
Subject: Groundwater -- Philippines -- Loo Valley (Benguet) -- Quality; Groundwater -- Philippines -- Cayapas Valley (Benguet) -- Quality; Water -- Nitrogen content -- Philippines -- Loo Valley (Benguet); Water -- Nitrogen content -- Philippines -- CayapasValley (Benguet); Land use -- Philippines -- Loo Valley (Benguet); Land use -- Philippines -- Cayapas Valley (Benguet).
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