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Screening of microalgae with potential for biodiesel production and nutrient removal from treated domestic sewage

Sydney, E.B.; da Silva, T.E.; Tokarski, A.; Novak, A.C.; … - In: Applied Energy 88 (2011) 10, pp. 3291-3294

This article reports the results of the screening of microalgae capable of removing nitrogen and phosphorus while … remove nitrogen and phosphorus as well its growth rate and biomass composition was determined. B. braunii LEM 14 showed the … wastewater, 79.63% of the nitrogen and phosphorus was removed after 14days of culture at 25°C. Biomass composition indicated an …

Persistent link: https://www.econbiz.de/10011040547

Economic impacts of nitrogen and phosphorus use efficiency on nineteen intensive grass-based dairy farms in the South of Ireland

Mihailescu, E.; Ryan, W.; Murphy, P.N.C.; Casey, I.A.; … - In: Agricultural Systems 132 (2015) C, pp. 121-132

A 3 year (2009–2011) study found a mean N balance of 166 kg N/ha, P balance of 4.93 kg P/ha, N use efficiency of 0.24, P use efficiency of 0.71, and net profit of €598/ha on 19 Irish dairy farms. The increase in mean net profit with mean milk receipts and the decrease with mean...

Persistent link: https://www.econbiz.de/10011115977

Nutrient removal effectiveness by riparian buffer zones in rural temperate watersheds: The impact of no-till crops practices

Aguiar Jr., T.R.; Rasera, K.; Parron, L.M.; Brito, A.G.; … - In: Agricultural Water Management 149 (2015) C, pp. 74-80

vegetation type. Indeed, buffer zones with 60m width composed of woody soils were more effective in phosphorus (99.9%) and … nitrogen (99.9%) removal when compared to shrub (66.4% and 83.9%, respectively) or grass vegetation (52.9% and 61 …

Persistent link: https://www.econbiz.de/10011116774

The fertilizers effect on the dynamics of trace elements content in soil when growing a table beet

Bykin, A.; Kostyuchenko, M. - In: Balanced Nature Using 5 (2013) 2-3, pp. 52-56

provided. It is shown that the highest content of nitrogen, phosphorus and potassium application has been provided with the …

Persistent link: https://www.econbiz.de/10011086544

How the GATT agreement on agriculture shifted pollution from its richer to poorer members : implications for sustainability mandates of trade agreements

Anguelov, Nikolay; Ash, William - In: World development sustainability 4 (2024), pp. 1-13

pollution from nitrogen and phosphate, as well as to lower CO2 levels from vegetal and animal production. This study evaluates …

Persistent link: https://www.econbiz.de/10015061307

Development and application of a distributed modeling approach to assess the watershed-scale impact of drainage water management

Ale, S.; Bowling, L.C.; Owens, P.R.; Brouder, S.M.; … - In: Agricultural Water Management 107 (2012) C, pp. 23-33

Drainage water management, also known as controlled drainage, is the practice of using a water table control structure at the end of the subsurface drain pipe to reduce subsurface drainage, and thereby nitrate losses. Methods to quantify the potential effects of drainage water management for...

Persistent link: https://www.econbiz.de/10010576896

Simulation of Agricultural Management Alternatives for Watershed Protection

Tuppad, Pushpa; Kannan, Narayanan; Srinivasan, Raghavan; … - In: Water Resources Management 24 (2010) 12, pp. 3115-3144

at Valley Mills and for monthly sediment, total nitrogen (TN) and total phosphorus (TP) at Hico and Valley Mills …

Persistent link: https://www.econbiz.de/10010847276

Navigating farming-BMP-policy interplay through a dynamical model

Homayounfar, Mehran; Muneepeerakul, Rachata; Martinez, … - In: Ecological economics : the transdisciplinary journal of … 205 (2023), pp. 1-11

Persistent link: https://www.econbiz.de/10014253707

The super state : the political economy of phosphate fertilizer use in South Australia : 1880-1940

Byerlee, Derek - In: Jahrbuch für Wirtschaftsgeschichte 62 (2021) 1, pp. 99-128

Persistent link: https://www.econbiz.de/10012523478

Water Quality Estimation Using Combined Water Chemistry and Field Spectroscopy in the Shenandoah River, Virginia

Mbuh, Mbongowo J.; Houser, Paul R.; Heidari, Ako - In: International Journal of Applied Geospatial Research (IJAGR) 7 (2016) 2, pp. 14-37

nutrients (total nitrogen and total phosphorous) in the Shenandoah River. The mean Chl a concentration for 555 nm, 560 nm and ….56. Chemometrics analysis show that total phosphorous, nitrogen and turbidity can be predicted between 450 to 555nm and 670 to 710 nm … used to develop predictive models to determine sensitive spectral variables for nitrogen, phosphorous, Chl-a, and CDOM. …

Persistent link: https://www.econbiz.de/10012042809