N2O emission
Seasonal changes in labile organic matter, mineral nitrogen, and N2O emission in a loamy sand Orthic Luvisol cultivated under three management practices
... ha -1 yr -1 ) with continuous winter wheat. The conventional management practice (CP) consists of amendments with the above-mentioned rates of mineral fertilisers in crop rotation with rape, winter wheat and spring ...
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N2O emission and nitrogen and carbon leaching from the soil in relation to long term and current mineral and organic fertilization – a laboratory study
... The available organic C is a critical factor that controls the denitrification, heterotrophic nitri- fication and N 2 O emission from the soil (Wang et Table 2. The carbon (C), NH 4 + -N and NO 3 – -N outflow from ...
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Simulation of effect of climate, soils and management on N2O emission from grassland
... physical properties of the soils through microbiological processes (Conrad 1996) and affected by climatic conditions, type and rate of fertilisers/manure and sward management (Frolking et al. 1998; de Klein et al. 2001). ...
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Compound driven differences in N2 and N2O emission from soil; the role of substrate use efficiency and the microbial community
... 137 138 The objectives of our study were 1 to determine if the addition of 3 different 139 commonly rhizodeposited LMW-C compounds result in differences in N2 and N2O 140 emissions from [r] ...
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Effect of Vertical Distribution of Soil Water on N2O Emission under Drip Irrigation
... Drip irrigation technology has the benefits of saving water, increasing produc- tion and reducing emission, and has been widely used in the world. Drip irriga- tion uses drip head to moisten soil, which has ...
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Legume based catch crops inprove N supply without increasing the N2O emission
... N fixation and yield increase A field study was conducted on a loamy sand soil in Foulum, Denmark, in which we quantified and compared biological N fixation in red clover, grass-clover m[r] ...
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Lack of increased availability of root derived C may explain the low N2O emission from low N urine patches
... result of higher denitrifying activity due to a supply of labile compounds released from scorched plant roots (more depleted than other soil C pools in the monoliths studied), then δ 13 C of soil respiration would be ...
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Effects of Mowing Heights on N2O Emission from Temperate Grasslands in Inner Mongolia, Northern China
... Using the pooled data of the different treatments in the whole growing season, multi-linear regression analyses showed that N2O fluxes was correlated with soil temperature, moisture ST, [r] ...
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Linking N2O emission from biochar-amended composting process to the abundance of denitrify (nirK and nosZ) bacteria community
... In this study, an in situ measurement of N 2 O fluxes as regulated by biochar amendment over the whole life-cycle of manure windrow composting was taken to address the following conc[r] ...
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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
... While we aim to evaluate the globally relevant grazed hill land emissions, we use New Zealand grazed pasture systems as a case study. New Zealand grazed soils also receive an uneven deposition of animal urine and dung, ...
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Analysis of Soil N2O Emission under Drip Irrigation Technology
... Micro-irrigation technology, mainly drip irrigation, was mainly used in flowers and fruit trees in the past. Now it has been widely used in the field. It has also been applied from small-area decentralized application in ...
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Soil Microbial Responses to Climate Change Factors: Impacts on Soil N2O Emission and Organic Carbon Decomposition.
... lower soil water content. Previous warming experiments reported that higher temperature leads to higher evapotranspiration with rapid soil drying, which could reduce soil microbial turnover (Allison & Treseder, ...
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N2O emission from mineral soils – Reviews
... production is affected by many physical and biochemical factors, such as: the nature and amount of organic matter available as energy sources to the denitrifiers and heterotrophic nitrifiers, the aeration/moisture status ...
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Abiotic mechanisms for biochar effects on soil N2O emission
... oxide emission can be effectively mitigated at 5% biochar regard- less of soil water ...oxide emission is adsorption and subsequent reactions with C = C bonds on apple- tree biochar surfaces since C = O and ...
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Long term effects of cropping system on N2O emission potential
... The potential for N 2 O emissions outside the main growing season may be influenced by long-term effects of cropping system. This was investigated by collecting intact soil cores (100 cm 3 , 0e4 cm depth) under winter ...
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Estimating the soil N2O emission intensity of croplands in northwest Europe
... Scotland is an interesting case from a BGC modelling perspective because 1 it is among the few European countries for which data of high spatial resolution and quality on climate, soil a[r] ...
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Effect of acetylene block on measurements of N2O emission from soils
... the emission of N 2 O, such as the 15 N gas-flux technique or the N 2 flux technique, the acetylene inhibition method is the most ...of emission from samples with or without acetylene from a soil with low ...
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Grazing intensity and driving factors affect soil nitrous oxide fluxes during the growing seasons in the Hulunber meadow steppe of China
... Using SEM analysis, this study provides an impor- tant reference for better understanding the mechan- isms and identifying the pathways of grazing effects on soil N2O emission rates, and[r] ...
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Flow of nutrients and climate relevant gases in experimental rotations on three soil types
... N cycling and GHG balance of arable cropping systems Experimental crop rotations in three locations ”Active” N N2O: Seasonal trends N2O emission potentials Green manure management and N2[r] ...
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Transformative and systemic climate change adaptations in mixed crop-livestock farming systems
... 3.5 GHG emission N2O emission Under the impact of climate change on existing farm systems with current practice, modelled nitrous oxide N2O emissions declined in all site x potential cli[r] ...
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