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Nitrogen Losses

Regional variations in diffuse nitrogen losses from agriculture in the Nordic and Baltic regions

Regional variations in diffuse nitrogen losses from agriculture in the Nordic and Baltic regions

... N losses were also characterised by significant within-country and interannual variations, particularly in the Norwegian ...nutrient losses varied greatly among the catchments ...between nitrogen ...

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Assessment of the intrinsic vulnerability of agricultural land to water and nitrogen losses: case studies in Italy and Greece

Assessment of the intrinsic vulnerability of agricultural land to water and nitrogen losses: case studies in Italy and Greece

... Nitrogen losses through percolation (LOSN-PN) show a distribution analogous to LOSW-P ...Water losses through surface runoff (LOSN-RN) ...total nitrogen losses (LOSN-PRN) ...highest ...

6

Effects of Drain Depth on Nitrogen Losses in Drainage in Shallow Water Table Soils

Effects of Drain Depth on Nitrogen Losses in Drainage in Shallow Water Table Soils

... determine whether shallow subsurface drains would reduce nitrate nitrogen losses in drainage effluent relative to deep subsurface drains. The field study was conducted over a two year period between May 12, ...

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The impact of using Overseer 6.2.2 in reducing nitrogen losses to water on dairy support farms using kale and fodder beet forage systems

The impact of using Overseer 6.2.2 in reducing nitrogen losses to water on dairy support farms using kale and fodder beet forage systems

... N losses to water for farm systems, with a future requirement for leaching reductions, in some cases across entire ...urine nitrogen (which can contain nitrogen loading of 500-1000kgN/ha ...the ...

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Advanced processing of food waste based digestate for mitigating nitrogen losses in a winter wheat crop

Advanced processing of food waste based digestate for mitigating nitrogen losses in a winter wheat crop

... Agricultural Nitrogen (CINAg, BB/N013468/1), which is jointly supported by the Newton Fund, via UK BBSRC and NERC, and the Chinese Ministry of Science and Technology, and also it was undertaken as part of NUCLEUS, ...

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Effect of energy and rumen undegradable protein supplementation on milk production and nitrogen losses in dairy cows

Effect of energy and rumen undegradable protein supplementation on milk production and nitrogen losses in dairy cows

... Metabolisable protein (MP) in the form of AA that are absorbed through the ileal wall, constitutes all of the protein available to the animal (Nicol and Brookes, 2007). During passage across the intestinal wall, some AA ...

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Integrating multimedia models to assess nitrogen losses from the Mississippi River basin to the Gulf of Mexico

Integrating multimedia models to assess nitrogen losses from the Mississippi River basin to the Gulf of Mexico

... Abstract. This study describes and implements an inte- grated, multimedia, process-based system-level approach to estimating nitrogen (N) fate and transport in large river basins. The modeling system includes the ...

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Comparative analysis of conventional and organic farming systems: Nitrogen surpluses and nitrogen losses

Comparative analysis of conventional and organic farming systems: Nitrogen surpluses and nitrogen losses

... lower nitrogen (N) surpluses compared with conventional ...system. Nitrogen leaching, however, was too high in many cases on both conventional and organic ...

5

Nitrogen losses from Midwestern watersheds : implications for nitrogen management policies

Nitrogen losses from Midwestern watersheds : implications for nitrogen management policies

... This law requires an "integrated assessment of hypoxia in the northern Gulf of Mexico that examines: the distribution, dynamics and causes; ecological and economic consequences; sources [r] ...

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Quantifying nitrogen losses in oil palm plantations: models and challenges

Quantifying nitrogen losses in oil palm plantations: models and challenges

... N losses (NO − 3 , NH + 4 ), whereas runoff included inorganic and organic N losses without separating between the dissolved and par- ticulate ...erosion losses. The Mosier and IPCC-2006 sub-models ...

20

Combining biosolids with carbonaceous materials to mitigate nitrogen-losses

Combining biosolids with carbonaceous materials to mitigate nitrogen-losses

... Soil degradation is a common problem in most countries. In New Zealand, thousands of hectares of land, formally under Monterey pine (Pinus radiata) plantations, have both low soil organic matter levels and soil fertility ...

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Practices to Reduce Nitrate-Nitrogen Losses from Drained Agricultural Lands

Practices to Reduce Nitrate-Nitrogen Losses from Drained Agricultural Lands

... total nitrogen, and total phosphorous than the Cape Fear Loam, but because it was screened after excavation, its bulk density as added to the wetland mesocosms was ...total nitrogen, and the total ...

333

Impact of nutritional support on nutritional status and nitrogen balance in surgical patients of a developing country

Impact of nutritional support on nutritional status and nitrogen balance in surgical patients of a developing country

... nary nitrogen losses (UNL) and nitrogen balance (NB) based on changing serum albumin levels in a developing country, 89 patient (58 M) aged 39 yrs ±15 were ...of nitrogen intake (Ni) on UNL on ...

8

Manure nutrient application on a Chinese dairy farm with arable land: A case study based on Dutch experience of equilibrium fertilization

Manure nutrient application on a Chinese dairy farm with arable land: A case study based on Dutch experience of equilibrium fertilization

... Gaseous nitrogen losses from cattle housing with scraped solid floors were based on on-farm ...nutrient losses during covered lagoon storage and land application of the liquid fraction, ...

7

Nitrogen and phosphorus losses from a feedlot for suckler cows

Nitrogen and phosphorus losses from a feedlot for suckler cows

... nutrient losses to downstream wa- ters (Paul and Zebarth 1997, Turtola and Kemp- painen ...nutrient losses during snow melt (von Wachenfelt ...total nitrogen losses from outdoor pig farming ...

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Evaluation of Nutrient Management for Improved Nitrogen Use and Agronomic Efficiencies in Rice (Oryza Sativa L.) in Kisumu, Busia and Kirinyaga Counties, Kenya

Evaluation of Nutrient Management for Improved Nitrogen Use and Agronomic Efficiencies in Rice (Oryza Sativa L.) in Kisumu, Busia and Kirinyaga Counties, Kenya

... of nitrogen losses to the ozone layer are profound as it plays a critical role in catalyzing and destroying the ...stratosphere. Nitrogen loss is a major threat in rice cropping systems in ...

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The effect of diverse forage species and irrigation management on plant nitrogen uptake and nitrate leaching losses

The effect of diverse forage species and irrigation management on plant nitrogen uptake and nitrate leaching losses

... Plants species including the herbs: plantain (Plantago lanceolata L.) and chicory (Cichorium intybus L.), legumes: lucerne (Medicago sativa L.) and red clover (Trifolium pratense L.), and grasses: prairie grass (Bromus ...

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Blakeman_unc_0153D_15467.pdf

Blakeman_unc_0153D_15467.pdf

... Mass resolution and SWaP concerns play an important part in developing a handheld MS instrument. As such, the choice of buffer gas is important since it helps determine possible ionization sources and affects instrument ...

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Dry Matter and Nitrogen Accumulation as Affected by Nitrogen Fertilization and Seeding Rate in Winter Wheat

Dry Matter and Nitrogen Accumulation as Affected by Nitrogen Fertilization and Seeding Rate in Winter Wheat

... Maximum grain yield results from an optimum balance of three yield components: (i) the number of spikes per unit area, (ii) the number of kernels per spike and (iii) the weight of kernels [7, 13]. These yield components ...

10

Organic Farming Research in the EU, towards 21st Century

Organic Farming Research in the EU, towards 21st Century

... available nitrogen and limited N sink of the shoots and the harvested ...the nitrogen in the liquid phase can be bound into the solid phase via transferring for instance brassica fodder crops to farmyard ...

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