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A Scale-Explicit Framework for Conceptualizing the Environmental Impacts of Agricultural Land Use Changes

Hale, Iago Lowe; Wollheim, Wilfred M.; Smith, Richard G.; … - In: Sustainability 6 (2014) 12, pp. 8432-8451

Demand for locally-produced food is growing in areas outside traditionally dominant agricultural regions due to concerns over food safety, quality, and sovereignty; rural livelihoods; and environmental integrity. Strategies for meeting this demand rely upon agricultural land use change, in...

Persistent link: https://www.econbiz.de/10011082407

Mathematical modeling of communication between the doses of nitrogen and mass content of gluten in wheat grain

Tyhovod, Ð. - In: Balanced Nature Using 7 (2014) 2, pp. 34-40

This paper deals with symbolic communication between the doses of nitrogen and mass content of gluten in wheat grain …

Persistent link: https://www.econbiz.de/10011086540

The Effect of Nitrogen and Sulfur Addition on Bioethanol Solid Waste Fermented by the Consortium of Trichodermavirideand Saccharomyces cerevisiaetowards Dry Materials, Organic Mate...

Suryani, Yani; Hernaman, Iman; Rochana, Ana; Setiawati, Ayu - In: Asian Journal of Agriculture and Rural Development 03 (2013) 09

Persistent link: https://www.econbiz.de/10011200615

Effects of Long Term Cropping Systems on Soil Chemical Properties

Mazarura, Upenyu; Chisango, C. - In: Asian Journal of Agriculture and Rural Development 02 (2012) 04

In this study we examined the impact on soil C, total soil N and available P of six rotations namely: long season tobacco cultivar ‘KM10’ grown continuously (ContKM10), medium season tobacco cultivar ‘RK8’ grown continuously (ContRK8), grass-grass-grass-KM10 (G-G-G-KM10),...

Persistent link: https://www.econbiz.de/10011200632

Dynamic changes in spatial competition for the nitrogen fertilizer industry in the United States

Wilson, William W.; Shakya, Sumadhur; Dahl, Bruce - In: Agricultural Systems 135 (2015) C, pp. 10-19

imports are affecting the nitrogen fertilizer industry. A spatial competition model of the US nitrogen fertilizer industry was … developed to determine the likely future spatial distribution of production and flows for nitrogen. The model minimizes …

Persistent link: https://www.econbiz.de/10011208346

Entwicklung eines Modells zur Quantifizierung landwirtschaftlicher Stickstoffbilanzen in Rheinland-Pfalz - AGRUM-RP

Zinnbauer, Maximilian; Eysholdt, Max; Kreins, Peter - 2023

polluted areas. Against this background, a tool was developed that quantifies agricultural nitrogen emissions with high spatial … resolution, at the municipality level and also within the municipality. The results provide detailed nitrogen budgets for the … monitoring, and to inform agricultural nitrogen management. The results enable the identification of pollution hot spots as well …

Persistent link: https://www.econbiz.de/10014380273

Differential influence of phytase supplementation on the balance of phosphorus and other elements in laying hens' feed

Sobolewska, Sylwia; Orda, Janusz; Budny-Walczak, Anna - In: Economic and Environmental Studies (E&ES) 15 (2015) 4, pp. 461-468

phosphorus, calcium, manganese and zinc. Phytase supplementation caused a decrease in phosphorus excretion by 8% in the group …. Phytase supplementation increased the retention of phosphorus by 31% in laying hens receiving 500 FTU and 57% in the group …

Persistent link: https://www.econbiz.de/10011849412

Macro Level Economic Evaluation of Manure Application Rates Using CEEOT-MMS

Osei, Edward - 2008

Alternative manure application rates represent an integral part of current nutrient management efforts on animal feeding operations (AFOs). Previous studies have indicated that lower manure application rates tend to increase farm production costs. In this study, the Comprehensive Economic and...

Persistent link: https://www.econbiz.de/10009443280

Costs of Reducing Nutrient Losses in Denmark - Analyses of Different Regulation Systems and Cost Effective Measures

Jacobsen, Brian H.; Abildtrup, Jens; Jensen, Jorgen Dejgaard - 2005

regulation systems aimed at reducing nitrogen leaching, analyses of measures for reducing phosphorus losses and estimation of … regulation when compared with administrative regulation and set a side. For phosphorus a balance between incoming and outgoing … phosphorus is very costly as this requires that much slurry is transported from the western to the eastern part of Denmark. The …

Persistent link: https://www.econbiz.de/10009443883

Assessing the Distributional Impacts of Transferable Pollution Permits: The Case of Phosphorus Pollution Management at a River Basin Scale

Kampas, Athanasios; Mamalis, Spyridon - 2006

Although the initial allocation of pollution permits is neutral in terms of efficiency, itdoes have a significant impact on distributive equity. In this paper, we examine the twomain categories of permit allocation rules, the distributive and the reductive, for controllingphosphorus pollution in...

Persistent link: https://www.econbiz.de/10009445716