N2O emissions
Legume-based mixed intercropping systems may lower agricultural born N2O emissions
... (2006) N2O emissions and product ratios of nitrification and denitrification as affected by freezing and ...Simulating N2O fluxes from a Brazilian cropped soil with contrasted tillage ...
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A Central Small RNA Regulatory Circuit Controlling Bacterial Denitrification and N2O Emissions
... A Central Small RNA Regulatory Circuit Controlling Bacterial Denitrification and N2O Emissions A Central Small RNA Regulatory Circuit Controlling Bacterial Denitrification and N2O Emissions Hannah Gai[.] ...
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Assessment of N2O emissions from rapeseed cultivation in Poland by various approaches
... O emissions from European forest soil to the available climate data set and ran the model on a 50 x 50 km ...O emissions at higher resolution should be based on ‘typical landscape in which surface ...
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Annual dynamics of N2O emissions from a tea field in southern subtropical China
... Hayatsu and Kosuge (1993) reported that acid- tolerant or acidophilic autotrophic nitrification can occur in acid tea soils in Japan and that the rate of nitrification increased with an increase in NH 4 + -N contents ...
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Short Report: Effects of Biochar Addition on Manure Composting and Associated N2O Emissions
... Recent interests in biochar stem from its agronomic benefits and carbon sequestration potentials in soil applications. As a not fully understood newer concept, adding biochar as a bulking agent to animal manure ...
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Research Progress on N2O Emissions from Soil in Facility Vegetable Plot
... Abalos, D., Sanchez-Martin, L., Garcia-Torres, L., van Groenigen, J. W., & Vallejo, A. (2014). Management of Irrigation Frequency and Nitrogen Fertilization to Mitigate GHG and NO Emissions from ...
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Influence of farm dairy effluent ammonium concentrations on soil N2O emissions
... exponentially with increasing N rates, however, other factors such as C may have also varied, and it is unclear whether or not the hydraulic loading (and hence WFPS) was equal for the two treatments. It was also not ...
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Regulation of N2O emissions from acid organic soil drained for agriculture
... Chemical analyses of intact soil cores from the 0 to 1 m depth, collected at adjacent grassland and potato sites, showed that the total reduction capacity of the peat soil assessed by ce[r] ...
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Effect of persistent subsoil compaction on N2O emissions from arable soils
... The sites • Treatments: control and compacted • Kävlinge: Sandy clay loam, compacted in 1995, cereal-sugar beet-rapeseed rotation • Jokioinen: Clay soil, compacted in 1981, cereal cultiv[r] ...
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Catch Crop Residues Stimulate N2O Emissions During Spring, Without Affecting the Genetic Potential for Nitrite and N2O Reduction
... crop residue incorporation were high in both years despite lower N input (cf. Tables 1, 2). The NPK treatment, in contrast, showed low and high emissions in 2011 and 2012, respectively. These observations ...
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Soil N availability, rather than N deposition, controls indirect N2O emissions
... deposition rates lead to low indirect emissions rates (based on measurements from low ammonia depositions in Canada; Corre et al., 1999), and a lower emission factor may be appropriate (page 11.24, IPCC, 2006). ...
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Quantifying global N2O emissions from natural ecosystem soils using trait based biogeochemistry models
... position have a negative effect on a global scale. However, excessive precipitation inhibits nitrification because oxygen acts as the electron acceptor in this process. Lower water content may limit nitrifying bacterial ...
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Estimating direct N2O emissions from sheep, beef, and deer grazed pastures in New Zealand hill country: accounting for the effect of land slope on the N2O emission factors from urine and dung
... A spatial framework was set up based on different regions and farm types in New Zealand (Table 1). Total N-excretion in hill country, calculated using animal numbers and N excretion data from the National Inventory, was ...
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N use efficiencies and N2O emissions in two contrasting, biochar amended soils under winter wheat cover crop sorghum rotation
... Together, there is still little direct evidence whe- ther biochar changes the efficiency of N uptake by crops and how it influences the fate of fertiliser N in the soil − plant system. In this study, we traced fertiliser N ...
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Fertilizer type influences tomato yield and soil N2O emissions
... Our data show that the organo-mineral fertilizers not only improved crop yield compared to mineral fertilizers but also contributed to a reduction in N 2 O emission. Some authors (Kaiser and Ruser 2000, Yao et al. 2015) ...
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An investigation of the spatial distribution of N2O emissions from sheep grazed hill country pastures in New Zealand :|ba thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy (PhD) in Environmental Science at Massey University, Palmerston North, New Zealand
... 39 Warepa soils are imperfectly drained due to perching of water on a dense fragipan, evidenced by mottling, making them susceptible to prolonged denitrification activity in times of high rainfall. Soils have a 15 to 25 ...
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Contribution of nitrification and denitrification to N2O emissions from urine patches
... the 0-10 cm soil layer of microplots treated with water, ammonium solution and urine; n.. derived from reduction of NO3- in the 0-2 cm soil layer determined in 15NO3- labelled.[r] ...
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Modelling the N2O Emissions in Municipal Wastewater Treatment Plants under Dynamic Conditions
... Wunderlin, P., Lehmann, M., Siegrist, H., Tuzson, B., Joss, A., Emmenegger, L., & Mohn, J. (2013). Isotope Signatures of N2O in a MIxed Microbial Population System: Constraints of N2O Producing Pathways ...
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Studies of nitrous oxide and the nitrogen cycle in a temperate river estuarine system
... To examine the contribution of estuaries to N2O emissions, nitrous oxide concentrations in the water were measured by gas chromatography on a monthly basis in the River Itchen and Itchen[r] ...
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Impact of reduced tillage on greenhouse gas emissions and soil carbon stocks in an organic grass clover ley winter wheat cropping sequence
... were found to be lower (Skinner et al., 2014) compared with conventional farming systems, it is dif fi cult to transfer fi ndings from conventional tillage studies to the organic farming context. The difference between ...
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