Total Nitrogen and Phosphorus
Total Nitrogen and Phosphorus loading in to aquatic environment from shrimp Penaeus monodon (L.) fed with commercial diets
... of nitrogen was registered in CD4 diet fed group. Phosphorus retention was low in CD1 diet fed group, but total phosphorus loss was low in CD4 diet fed group ...mg). Total ...
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EZ7621 Total Nitrogen and Total Phosphorus analyser
... The total nitrogen concentration is determined in the ‘TN’ ...The total phosphorus concentration is determined in the ‘TP ...for total nitrogen is determined in the ‘TN’ ...for ...
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Eutrophication model for simulating the transport of total nitrogen and total phosphorus in Winam Gulf Lake Victoria
... of Total Nitrogen and Total Phosphorus concentration in Winam Gulf of Lake ...of Total Nitrogen and Total Phosphorus in Winam ...
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Using satellite hyperspectral imagery to map soil organic matter, total nitrogen and total phosphorus
... (SOM), total nitrogen (N) and total phosphorus ...content, total N and total P; their corresponding spectral reflectance was measured in the laboratory before and after oven ...
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Response of chlorophyll a to total nitrogen and total phosphorus concentrations in lotic ecosystems: a systematic review protocol
... from nitrogen and phosphorus pollution is a major stressor across the ...to total nitrogen and total phosphorus concentrations in lotic ecosystems?” and “How are these relation- ...
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CHANGES IN THE CONTENT OF TOTAL NITROGEN, PHOSPHORUS AND POTASSIUM IN POTATO TUBERS UNDER THE INFLUENCE OF THE USE OF HERBICIDES
... of total nitrogen was marked with the Kjeltec method on the apparatus of 2300 Kjeltec Analyzer Unit, phosphorus, with the pho- tometric method, while the potassium, with the method of absorption ...
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Influence of different salt affected soil classes on total nitrogen, available phosphorus and potassium in central rift valley of Ethiopia
... that total nitrogen, available phosphorus and available potassium soil parameters significantly vary among different salt affected soil classes and soil ...available phosphorus and available ...
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Determination of Total Nitrogen and Phosphorus in Wastewaters by Alkaline Persulfate Digestion Followed by IC
... 8 Figure 4. Comparison between (A) undigested and (B) digested raw sewage water. Table 5. Results for nitrogen and phosphorus determinations in untreated and digested wastewater samples. In this study, six ...
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Aerated rock filter as a polishing unit for total nitrogen & phosphorus removal from domestic wastewater part 1
... Alpha is the ratio of oxygen transfer in generic wastewater to oxygen transfer in clean water and it is especially important because alpha factor varies with the physical [r] ...
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Deposition of nitrogen and phosphorus on the Baltic Sea: seasonal patterns and nitrogen isotope composition
... for total nitrogen and phosphorus by persulphate diges- tion (Koroleff, ...Organic nitrogen and phosphorus was calculated as the difference between total nitrogen or phos- ...
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Effect of Different Nitrogen and Phosphorus Fertilizer Levels in Combination with Nitrogen and Phosphorus Solubilizing Inoculants on the Growth and Yield of Mung bean
... MATERIALS AND METHODS Experimental site and soil analysis The experiment was conducted at Research Area, Directorate of Farm, University of Agriculture, Faisalabad, Pakistan during June, 2013. The experimental site falls ...
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Optimation of Nitrogen and Phosphorus in Azolla Growth as Biofertilizer
... In the other study, total nitrogen has been observed from plant tissue which showed a range from 3.9% to 5.4% of dry weight [3], and this plant is potential to be used as natural nitrogen source. ...
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SEASONAL CHANGES OF NITROGEN AND PHOSPHORUS CONCENTRATION IN SUPRAŚL
... ammonia nitrogen, ni- trate nitrogen, total nitrogen, phosphate and total phosphorus in the years 2003–2009 in the river ...of nitrogen and phosphorus forms in the ...
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TABLE OF CONTENTS 2. PHOSPHORUS AND NITROGEN IN WASTEWATER 3. PHOSPHORUS AND NITROGEN REMOVAL MECHANISM 4. PROCESS REQUIREMENT AND CONTROL FACTOR
... biologically. Nitrogen in domestic wastewater originates primarily from waste products of protein metabolism in the human body and other organic waste ...contains nitrogen in the organic and ...
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Nitrogen and phosphorus losses from a feedlot for suckler cows
... extractable phosphorus (P AAAc ) and mineral nitrogen (NH 4 -N and NO 3 -N) in soil and the quality of percolation water from an open feedlot were studied in eastern Finland in ...of total ...
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Processes Governing the Retention of Phosphorus and Nitrogen in Nyashishi Wetland
... of total phosphorus; out of which 324 tons/year of total nitrogen and 208 tons/year of total phosphorus are from industrial loading ...tons/year total nitrogen and ...
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The determination of phosphorus and nitrogen in plankton
... The method of Juday, Birge, Kemmerer, and Robinson for total phosphorus in lake residues as modified by Robinson and Kemmerer 1930 and Titus and Meloche 1931, in which the plankton sampl[r] ...
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Water Soluble NO3-Nitrogen, PO4-Phosphorus, and Total Salt Balanced on a Large Irrigation Tract
... drainage water. At some sampling dates the irrigation water contained measurable polyphosphate concentrations, whereas the subsurface drainage waters did not. Also, the organic matter lo[r] ...
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Phosphorus utilization by corn as affected by green manure, nitrogen and phosphorus fertilizers
... the total P concentration was determined by the colorimetric method (Sarruge & Haag, 1974) ...method. Total N was determined by the Kjeldahl method, after digestion with H 2 SO 4 (Malavolta et ...1997). ...
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Nitrogen and phosphorus fertilization for groundnut in saline soil
... 108 1603 1152 2268 2001 625 e-i 402 hi 940 cde 829 d-g Note: numbers in same coloum and variable with same letter or without letter mean no significant different with LSD 5%. Application of N fertilizer on saline soil in ...
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