2018-8-14 · Soil priming effects with addition of recalcitrant organic carbon have been less studied. Hamer and Marschner showed that addition of oxalic acid led to a negative priming effect. Nonetheless the mechanism of the negative priming effect was not clear (Blagodatskaya and Kuzyakov 2008). The impacts of exogenous carbon inputs on SOM decomposition
Soil priming effect and its responses to nutrient addition along a tropical forest elevation gradient. Jiguang Feng Institute of Ecology College of Urban and Environmental Sciences and Key Laboratory for Earth Surface Processes of the Ministry of Education Peking University Beijing China.
2017-10-17 · Priming effect is an increase in soil organic matter mineralization by microorganisms following fresh organic matter (FOM) input (Bingeman et al. 1953 Kuzyakov et al. 2000).
Evidence of the "priming effect" on the uptake of soil N by additions of rather conservative amounts of fertilizer N was examined in data from two recently reported field experiments. In these experiments urea and oxamide each labeled with 15 N were compared on adjacent locations in successive years with Sudax SX11 Sorghum-sudan
The temperature sensitivity of soil organic matter (SOM) decomposition has been a crucial topic in global change research yet remains highly uncertain. One of the contributing factors to this uncertainty is the lack of understanding about the role of rhizosphere priming effect (RPE) in shaping the temperature sensitivity. Using a novel continuous 13C-labeling method we investigated the
Soil priming effect and its responses to nutrient addition along a tropical forest elevation gradient Glob Chang Biol. 2021 Mar 8. doi 10.1111/gcb.15587. Online ahead of print. Authors Jiguang Feng 1 Mao Tang 1 Biao Zhu 1 Affiliation 1 Institute of Ecology
2019-12-31 · priming effect. Priming is ubiquitous and exhibits some consistent patterns but a general explanation remains elusive in part because of variation in the response across different ecosystems and because of a diversity of proposed mechanisms including microbial activation stoichiometry and community shifts.
2020-6-20 · The rhizosphere priming effect (RPE) is the change in native soil C mineralization rate relative to the unplanted control. ANPP above-ground net primary productivity BNPP below-ground net primary productivity. For details about species selection and C and N budget computation see Supporting Information Methods S1. Plant images by Alice Trotel.
2019-8-2 · For example soil texture has been demonstrated to be an important factor controlling the soil priming effect and plants through the amount and composition of rhizodeposits also play a key role
2014-8-28 · Priming effect is defined as a short-term change in the turnover of soil organic matter caused by treatments usually addition of organic C to the soil (Kuzyakov et al. 2000) (Figure 1).Usually since the soil organic matter (SOM) turnover is not directly measured but it is determined by changes in CO 2 efflux rates or N mineralization rates the origin of extra CO 2-C (primed carbon) or N
2018-3-7 · Such positive priming effect on soil C mineralization ranged from 26 to 146 . Moreover the primed C was higher in the double-seedling treatment compared to the single-seedling treatment and differed among the three species (Fig. 1 a).
2016-4-22 · Introduction. In decomposition studies a priming effect is defined as a strong short-term change in microbial mineralization of soil organic carbon (SOC) in response to labile carbon (C) inputs (Kuzyakov et al. 2000).When the source of labile organic C is rhizodeposits derived from living roots and a change in decomposition of SOC in the direct vicinity of roots is induced it is termed a
2015-5-11 · The impacts of inorganic nitrogen application on mineralization of 14 C-labelled maize and glucose and on priming effect in saline alkaline soil. Soil Biol. Biochem. 37 681–691 (2005). Soil
2017-9-21 · Soil organic carbon (SOC) is a major component in the global carbon cycle. Yet how input of plant litter may influence the loss of SOC through a phenomenon called priming effect remains highly uncertain. Most published results about the priming effect came from short-term investigations for a few weeks or at the most for a few months in duration. The priming effect has not been studied at the
2013-11-22 · Moreover N input modifies the priming effect (PE) that is the effect of fresh organics on the microbial decomposition of SOM. We studied the interactive effects of C and N on SOM mineralization (by natural 13 C labelling adding C 4 -sucrose or C 4 -maize straw to C 3 -soil) in relation to microbial growth kinetics and to the activities of
2018-8-14 · The addition of organic substrates can change the decomposition rate of soil organic matter (SOM) which is termed as "priming effect.". The objective of this study was to explore the priming effects of SOM decomposition with the addition of different organic carbon substrates including glucose oxalic
2021-3-8 · Soil organic carbon content and pH have important regulations on priming effect. The effects of nutrient addition on priming depend on initial soil nutrient availability with N-addition effects on p
2016-4-22 · Rhizosphere priming effect on soil organic carbon decomposition under plant species differing in soil acidification and root exudation. Xiaojuan Wang Department of Animal Plant and Soil Sciences Centre for AgriBioscience La Trobe University
Soil priming effect and its responses to nutrient addition along a tropical forest elevation gradient Glob Chang Biol. 2021 Mar 8. doi 10.1111/gcb.15587. Online ahead of print. Authors Jiguang Feng 1 Mao Tang 1 Biao Zhu 1 Affiliation 1 Institute of Ecology
2015-5-7 · Soil C and N availability determine the priming effect microbial N mining and stoichiometric decomposition theories RUIRUI CHEN1 2 MEHMET SENBAYRAM2 3 SERGEY BLAGODATSKY4 5 OLGA MYACHINA6 KLAUS DITTERT2 3 XIANGUILIN1 EVGENIA BLAGODATSKAYA5 7and YAKOV KUZYAKOV7 8 1State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil
2004-1-1 · Two mechanisms have been hypothesized to explain the priming effect (PE) that is the acceleration of soil C decomposition by fresh C input to soil. First extracellular enzymes that are produced to decompose fresh C by fresh C specialized microbes may be partly efficient in degrading soil C.
2018-3-7 · Such positive priming effect on soil C mineralization ranged from 26 to 146 . Moreover the primed C was higher in the double-seedling treatment compared to the single-seedling treatment and differed among the three species (Fig. 1 a).
2020-5-19 · In terrestrial ecosystems deep soils (below 30 cm) are major organic carbon (C) pools. The labile carbon input could alter soil organic carbon (SOC) mineralization resulting in priming effect (PE) which could be modified by nitrogen (N) availability however the underlying mechanism is unclear for deep soils which complicates the prediction of deep soil C cycling in response to N deposition.
2010-10-8 · The temperature sensitivity of soil organic matter (SOM) decomposition has been a crucial topic in global change research yet remains highly uncertain. One of the contributing factors to this uncertainty is the lack of understanding about the role of rhizosphere priming effect (RPE) in shaping the temperature sensitivity.
2021-3-8 · Soil organic carbon content and pH have important regulations on priming effect. The effects of nutrient addition on priming depend on initial soil nutrient availability with N-addition effects on p
2021-3-8 · Results showed that priming effects increased soil organic matter decomposition by 44 ± 12 across elevations and priming intensity decreased significantly with elevation. Among soil and microbial properties soil organic carbon (SOC) content and pH were two key factors negatively and positively regulating priming respectively.
2005-3-1 · The data indicate that priming effects are ubiquitously occurring in surface and subsoil horizons of forest soils as well as in arable soils. Although a broad variety of soils was used within this study relationships between soil properties and priming effects could not be ascertained.
2016-4-22 · Rhizosphere priming effect on soil organic carbon decomposition under plant species differing in soil acidification and root exudation. Xiaojuan Wang Department of Animal Plant and Soil Sciences Centre for AgriBioscience La Trobe University
2020-11-5 · the soil priming effect and plants through the amount and composition of rhizodeposits also play a key role in mediating priming effects4. Furthermore climatic factors such as mean annual temperature are related to soil priming effects11. However in spite of the elevated amount of C within microbial biomass2 a
2016-4-22 · Introduction. In decomposition studies a priming effect is defined as a strong short-term change in microbial mineralization of soil organic carbon (SOC) in response to labile carbon (C) inputs (Kuzyakov et al. 2000).When the source of labile organic C is rhizodeposits derived from living roots and a change in decomposition of SOC in the direct vicinity of roots is induced it is termed a
2015-5-7 · Soil C and N availability determine the priming effect microbial N mining and stoichiometric decomposition theories RUIRUI CHEN1 2 MEHMET SENBAYRAM2 3 SERGEY BLAGODATSKY4 5 OLGA MYACHINA6 KLAUS DITTERT2 3 XIANGUILIN1 EVGENIA BLAGODATSKAYA5 7and YAKOV KUZYAKOV7 8 1State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil
2020-1-1 · Organic matter input to soils can accelerate the decomposition of native soil carbon (C) a process called the priming effect. Priming is ubiquitous and exhibits some consistent patterns but a general explanation remains elusive in part because of variation in the response across different ecosystems and because of a diversity of proposed mechanisms including microbial activation
2015-5-7 · Soil C and N availability determine the priming effect microbial N mining and stoichiometric decomposition theories RUIRUI CHEN1 2 MEHMET SENBAYRAM2 3 SERGEY BLAGODATSKY4 5 OLGA MYACHINA6 KLAUS DITTERT2 3 XIANGUILIN1 EVGENIA BLAGODATSKAYA5 7and YAKOV KUZYAKOV7 8 1State Key Laboratory of Soil and Sustainable Agriculture Institute of Soil
2003-6-1 · The priming effect i.e. the increase in soil organic matter (SOM) decomposition rate after fresh organic matter input to soil is often supposed to result from a global increase in microbial activity due to the higher availability of energy released from the decomposition of fresh organic matter.
2010-7-25 · So those soil biologists who neglect the priming effect actually neglect a fundamental process the contri-bution of microbial biomass and its activity to the SOM turnover. 2.2. Types of C input into soil In temporal terms there are two kinds of inputs of organics into soil (i) one-time or occasional (i.e. as a pulse) as described in our
2016-4-22 · Introduction. In decomposition studies a priming effect is defined as a strong short-term change in microbial mineralization of soil organic carbon (SOC) in response to labile carbon (C) inputs (Kuzyakov et al. 2000).When the source of labile organic C is rhizodeposits derived from living roots and a change in decomposition of SOC in the direct vicinity of roots is induced it is termed a
2017-9-21 · Soil organic carbon (SOC) is a major component in the global carbon cycle. Yet how input of plant litter may influence the loss of SOC through a phenomenon called priming effect remains highly uncertain. Most published results about the priming effect came from short-term investigations for a few weeks or at the most for a few months in duration. The priming effect has not been studied at the
2017-9-21 · Soil organic carbon (SOC) is a major component in the global carbon cycle. Yet how input of plant litter may influence the loss of SOC through a phenomenon called priming effect remains highly uncertain. Most published results about the priming effect came from short-term investigations for a few weeks or at the most for a few months in duration. The priming effect has not been studied at the
2021-3-8 · Soil organic carbon content and pH have important regulations on priming effect. The effects of nutrient addition on priming depend on initial soil nutrient availability with N-addition effects on p
The modification of soil organic matter (SOM) decomposition by plant carbon (C) input (priming effect) represents a critical biogeochemical process that controls soil C dynamics. However the patterns and drivers of the priming effect remain hidden especially over broad geographic scales under vari
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