Initial utilization of rhizodeposits with rice growth in paddy soils: Rhizosphere and N fertilization effects

  title={Initial utilization of rhizodeposits with rice growth in paddy soils: Rhizosphere and N fertilization effects},
  author={Yalong Liu and Tida Ge and Jun Ye and Shou-long Liu and O. B. Shibistova and Ping Wang and Jingkuan Wang and Yong Li and Georg Guggenberger and Yakov Kuzyakov and Jinshui Wu},

Effect of nitrogen fertilizer on rice photosynthate allocation and carbon input in paddy soil

The photosynthate carbon (C) released in the rhizosphere plays a crucial role in C sequestration, microbial activities and nutrient availability in soil. Nitrogen (N) fertilization modifies the

Legacy effect of elevated CO2 and N fertilization on mineralization and retention of rice (Oryza sativa L.) rhizodeposit-C in paddy soil aggregates

Rhizodeposits in rice paddy soil are important in global C sequestration and cycling. This study explored the effects of elevated CO 2 and N fertilization during the rice growing season on the

Effect of N and P fertilization on the allocation and fixation of photosynthesized carbon in paddy soil

ABSTRACT Potted rice seedlings independently treated with N, P, and NP were continuously13CO2 labeled to investigated the influence of N and P application on the contribution of photosynthesized C to

Nitrogen fertilization alters the distribution and fates of photosynthesized carbon in rice–soil systems: a 13C-CO2 pulse labeling study

AimsAlthough nitrogen (N) fertilization is widely used to increase rice yield, its impact on the distribution, transformation, and fates of photosynthetic carbon (C) in rice–soil systems is poorly

Allocation of assimilated carbon in paddies depending on rice age, chase period and N fertilization: Experiment with 13CO2 labelling and literature synthesis

Multiple pulse labelling at various plant growth stages and taking multiple subsequent samples as well as nutrient availability should be considered for tracing C flows more accurately for precise C balance in rice paddy systems.

Carbon input and allocation by rice into paddy soils: A review

Nitrogen fertilizer is a key factor affecting the soil chemical and microbial communities in a Mollisol.

It is proved that interaction of N fertilizer with other fertilizers can affect microbial communities, and pH, total organic C, and total N show a high correlation with bacterial community composition.

Modelling the Rhizosphere Priming Effect in Combination with Soil Food Webs to Quantify Interaction between Living Plant, Soil Biota and Soil Organic Matter

A model of rhizosphere priming effect under impact of root exudate input into rhizosphere soil was developed as an important process of the plant-soil interaction. The model was based on the concept

Carbon, nitrogen, and phosphorus stoichiometry mediate sensitivity of carbon stabilization mechanisms along with surface layers of a Mollisol after long-term fertilization in Northeast China

Soil organic carbon (SOC) is an important parameter determining soil fertility and sustaining soil health. How C, N, and P contents and their stoichiometric ratios (C/N/P) regulate the nutrient



Rice rhizodeposition and its utilization by microbial groups depends on N fertilization

Rhizodeposits have received considerable attention, as they play an important role in the regulation of soil carbon (C) sequestration and global C cycling and represent an important C and energy

Nitrogen fertilization increases rice rhizodeposition and its stabilization in soil aggregates and the humus fraction`

Background and aimsRhizodeposited-carbon (C) plays an important role in regulating soil C concentrations and turnover, however, the distribution of rhizodeposited-C into different soil organic carbon

Contribution of plant-derived carbon to soil microbial biomass dynamics in a paddy rice microcosm

Abstract. An understanding of the microbial biomass dynamics in rice paddies is essential for managing their nutrient and C cycling. Our objectives were to determine whether the seasonal dynamics of

Microbial utilization of rice root exudates: 13C labeling and PLFA composition

The soluble components of rhizodeposition—root exudates—are the most important sources of readily available carbon (C) for rhizosphere microorganisms. The first steps of exudate utilization by

Fate of rice shoot and root residues, rhizodeposits, and microbial assimilated carbon in paddy soil - part 2: turnover and microbial utilization

Background and aimsThe turnover of plant- and microbial- derived carbon (C) plays a significant role in the soil organic C (SOC) cycle. However, there is limited information about the turnover of the

Fate of rice shoot and root residues, rhizodeposits, and microbe-assimilatedcarbon in paddy soil – Part 1: Decomposition and priming effect

Abstract. The input of recently photosynthesized C has significant implications on soil organic C sequestration, and in paddy soils, both plants and soil microbes contribute to the overall C input.

Carbon and nitrogen availability in paddy soil affects rice photosynthate allocation, microbial community composition, and priming: combining continuous 13C labeling with PLFA analysis

Background and aimsCarbon (C) and nitrogen (N) availability in soil change microbial community composition and activity and so, might affect soil organic matter (SOM) decomposition as well as