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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

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

Fertilizer Use by Crop at the Country Level (1990â€“2010)

Rosas, Francisco - Center for Agricultural and Rural Development (CARD), … - 2012

selected countries. In each case, we present the consumption of nitrogen, phosphate, and potash by crop and by year, reporting …

Persistent link: https://www.econbiz.de/10011170186

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 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

An Economic Assessment of Policy Options To Reduce Agricultural Pollutants in the Chesapeake Bay

Ribaudo, Marc; Savage, Jeffrey; Aillery, Marcel P. - Economic Research Service, Department of Agriculture - 2014

nitrogen, phosphorus, and sediment necessary to reverse declines in the Bay’s quality and associated biological resources …

Persistent link: https://www.econbiz.de/10011098008

Food security in a world of natural resource scarcity: The role of agricultural technologies

Rosegrant, Mark W.; Koo, Jawoo; Cenacchi, Nicola; … - International Food Policy Research Institute (IFPRI)

The worldâ€™s population is expected to reach 9 billion by 2050. Climate change, population, and income growth will drive food demand in the coming decades. Baseline scenarios show food prices for maize, rice, and wheat would significantly increase between 2005 and 2050, and the number of...

Persistent link: https://www.econbiz.de/10011132821

The impact of field size and energy cost on the profitability of supplemental corn irrigation

Boyer, Christopher N.; Larson, James A.; Roberts, Roland K. - In: Agricultural Systems 127 (2014) C, pp. 61-69

field size, energy price, and energy source on the breakeven price of corn. We estimated yield response to nitrogen (N) for …

Persistent link: https://www.econbiz.de/10011040199

Predicting nitrogen dynamics in a dairy farming catchment using systems synthesis modelling

Smith, Andrew P.; Western, Andrew W. - In: Agricultural Systems 115 (2013) C, pp. 144-154

The intensity of milk production from pasture based dairy farming systems is often related to nitrogen (N) losses. This …

Persistent link: https://www.econbiz.de/10011040262

Determining Optimal Levels of Nitrogen Fertilizer Using Random Parameter Models

Tumusiime, Emmanuel; Brorsen, B. Wade; Mosali, Jagadeesh; … - In: Journal of Agricultural and Applied Economics 43 (2011) 04

. Optimal nitrogen application recommendations are calculated for the linear response plateau and Spillman-Mitscherlich. The … stochastic models lead to smaller recommended levels of nitrogen, but the economic benefits of using fully stochastic crop yield …

Persistent link: https://www.econbiz.de/10009653571

Change in N and P Concentrations in Antarctic Streams as a Response to Change in Penguin Populations

NÄ™dzarek Arkadiusz - In: Papers on Global Change IGBP 1 (2010) 17, pp. 67-80

This study presents changes in the concentrations of nitrogen and phosphorus in two streams in Western Antarctica ….2% for ammonium-nitrogen. Such inferred declines in N and P concentrations are considered to reflect reduced deposition on …

Persistent link: https://www.econbiz.de/10010534186