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Carbon and nitrogen dynamics

PEATBOG: a biogeochemical model for analyzing coupled carbon and nitrogen dynamics in northern peatlands

PEATBOG: a biogeochemical model for analyzing coupled carbon and nitrogen dynamics in northern peatlands

... Elevated nitrogen deposition and climate change alter the vegetation communities and carbon (C) and nitro- gen (N) cycling in ...coupled carbon and nitrogen dynamics in northern ...of ...

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Contributions of secondary forest and nitrogen dynamics to terrestrial carbon uptake

Contributions of secondary forest and nitrogen dynamics to terrestrial carbon uptake

... terrestrial carbon-nitrogen cycle compo- nent of the Integrated Science Assessment Model (ISAM) to investigate the impacts of nitrogen dynamics on regrowing secondary forests over the 20th ...

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Effect of organic treatments on soil carbon and nitrogen dynamics in vineyard

Effect of organic treatments on soil carbon and nitrogen dynamics in vineyard

... organic carbon (TOC) and total nitrogen (N tot ) in the topsoil after one year of ...20-year carbon stock dynamics in Italy vineyards, the average increase resulted ...

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Carbon and nitrogen dynamics and greenhouse gases emissions in constructed wetlands: a review

Carbon and nitrogen dynamics and greenhouse gases emissions in constructed wetlands: a review

... Managing wetting and drying spells (pulsing hydrology) in CWs can enhance NH + 4 removal. Similarly, oxidation of organic C will increase CO 2 production and, in anaerobic conditions, may be reduced to CH 4 . This ...

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Carbon and Nitrogen Dynamics in Plants Grown at Low CO2 Conditions of the Past

Carbon and Nitrogen Dynamics in Plants Grown at Low CO2 Conditions of the Past

... Growth at the low atmospheric CO 2 concentrations that dominated most of the recent geological past is known to decrease plant growth. It is unknown, however, how plants balanced carbon investment between primary ...

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Effects of diet and manure storage method on carbon and nitrogen dynamics during storage and plant nitrogen uptake

Effects of diet and manure storage method on carbon and nitrogen dynamics during storage and plant nitrogen uptake

... valuable tools for mitigating the environmental impact of dairy production. We examined the impact of altering diets on changes in physicochemical properties of manure during storage and short term plant N availability. ...

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Interaction of long-term nitrogen fertilizer application, crop rotation, and tillage system on soil carbon and nitrogen dynamics

Interaction of long-term nitrogen fertilizer application, crop rotation, and tillage system on soil carbon and nitrogen dynamics

... rotation. Nitrogen fertilizer had more effects on 0-120 cm SOC and TN storage under no-till than conventional tillage systems for the C-S rotation, but the opposite was true for CC ...TN dynamics were more ...

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Woodland development and soil carbon and nitrogen dynamics and storage in a subtropical savanna ecosystem

Woodland development and soil carbon and nitrogen dynamics and storage in a subtropical savanna ecosystem

... these active, slow, and passive soil organic matter pools are not well understood. Accurate estimates of these pool sizes and flux rates are essential for determining whether soils are net sources or sinks of atmospheric ...

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Carbon and nitrogen dynamics and greenhouse gas emissions in constructed  wetlands treating wastewater: a review

Carbon and nitrogen dynamics and greenhouse gas emissions in constructed wetlands treating wastewater: a review

... of carbon (C) and nitrogen (N) in constructed wetlands (CWs) is very inconsistent and frequently does not reveal whether the removal processes are due to physical attenuation or whether the different ...

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Impact of Tillage and Management Practices on Soil Organic Carbon and Nitrogen Dynamics in Diverse Agroecosystems.

Impact of Tillage and Management Practices on Soil Organic Carbon and Nitrogen Dynamics in Diverse Agroecosystems.

... Conclusions This study examined the sequestration and stratification of organic C and N under no-till and conventional tillage systems in three locations representing the physiographic regions of North Carolina. Within ...

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Effects of Long Term Fertilization on Organic Carbon and Nitrogen Dynamics in a Vertisol in Eastern China

Effects of Long Term Fertilization on Organic Carbon and Nitrogen Dynamics in a Vertisol in Eastern China

... Crop Research Institute, Anhui Academy of Agricultural Sciences, Hefei, China Abstract Mineral fertilizers and organic amendment can affect the various soil organic matter (SOM) pools and the distribution of organic ...

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Soil Microbial Responses to Climate Change Factors: Impacts on Soil Carbon and Nitrogen Dynamics

Soil Microbial Responses to Climate Change Factors: Impacts on Soil Carbon and Nitrogen Dynamics

... 3.1 Abstract Over the past three decades, the rising atmospheric CO 2 has prompted an increasing number of studies to assess whether terrestrial ecosystems could act as a carbon (C) sink under current and future ...

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Long-term carbon and nitrogen dynamics at SPRUCE revealed through stable isotopes in peat profiles

Long-term carbon and nitrogen dynamics at SPRUCE revealed through stable isotopes in peat profiles

... Revised: 15 February 2017 – Accepted: 28 March 2017 – Published: 17 May 2017 Abstract. Peatlands encode information about past vegeta- tion dynamics, climate, and microbial processes. Here, we used δ 15 N and δ 13 ...

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Long-term carbon and nitrogen dynamics at SPRUCE revealed through stable isotopes in peat profiles

Long-term carbon and nitrogen dynamics at SPRUCE revealed through stable isotopes in peat profiles

... Revised: 15 February 2017 – Accepted: 28 March 2017 – Published: 17 May 2017 Abstract. Peatlands encode information about past vegeta- tion dynamics, climate, and microbial processes. Here, we used δ 15 N and δ 13 ...

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Modeling water, carbon, and nitrogen dynamics for two drained pine plantations under intensive management practices

Modeling water, carbon, and nitrogen dynamics for two drained pine plantations under intensive management practices

... pool dynamics on forest floor and in topsoil reasonably responded to forest managements and climatic ...of nitrogen transformations caused by forest harvesting, such as increased mineralization, nitri- ...

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Transient simulations of the carbon and nitrogen dynamics in northern peatlands: from the Last Glacial Maximum to the 21st century

Transient simulations of the carbon and nitrogen dynamics in northern peatlands: from the Last Glacial Maximum to the 21st century

... present, carbon storage in northern peatlands is substan- tial and estimated to be 500 ± 100 Pg C (1 Pg C = 10 15 g ...namic nitrogen cycle, a dynamic C transfer between peatland acrotelm (upper oxic layer) ...

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Long-term management changes in topsoil and subsoil organic carbon and nitrogen dynamics in a temperate agricultural system

Long-term management changes in topsoil and subsoil organic carbon and nitrogen dynamics in a temperate agricultural system

... Most studies of SOC in agricultural soil focus on the topsoil (to 30-cm depth) because it is the main zone of activity for crop roots, and where the need to understand nutrient and water use efficiency is paramount. ...

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Cover crop impact on soil organic carbon, nitrogen dynamics and microbial diversity in a mediterranean semiarid vineyard

Cover crop impact on soil organic carbon, nitrogen dynamics and microbial diversity in a mediterranean semiarid vineyard

... Received: 1 April 2020; Accepted: 13 April 2020; Published: 17 April 2020    Abstract: Cover crop (CC) management in vineyards increases sustainability by improving soil chemical and biological ...

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A review of biochar and soil nitrogen dynamics

A review of biochar and soil nitrogen dynamics

... Tel.: +64-03-325-2811; Fax: +64-03-325-3607. Received: 1 February 2013; in revised form: 8 April 2013 / Accepted: 8 April 2013 / Published: 16 April 2013 Abstract: Interest in biochar stems from its potential agronomic ...

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Dynamics of soil carbon and nitrogen in changing boreal environments

Dynamics of soil carbon and nitrogen in changing boreal environments

... In general, more knowledge is needed concerning the impacts of a changing environment on element cycling and biogeochemistry. Anthropogenic actions alter the atmospheric, terrestrial, and aquatic environment in many ...

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