Crop Cultivar Mixtures Enhance Labile Soil Organic Matter Via Root Functional Traits

2021 ◽  
Author(s):  
Jianming Li ◽  
Wenli Liu ◽  
Han Yan ◽  
Qinglong Meng ◽  
Jiapeng Ji ◽  
...  
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Functional Traits ◽  
Labile Soil Organic Matter ◽  
Root Functional Traits ◽  
Cultivar Mixtures

Conversion of Brazilian savannah to agricultural land affects quantity and quality of labile soil organic matter

Geoderma ◽  
2022 ◽  
Vol 406 ◽  
pp. 115509
Author(s):  
Rafael S. Santos ◽  
Martin Wiesmeier ◽  
Dener M.S. Oliveira ◽  
Jorge L. Locatelli ◽  
Matheus S.C. Barreto ◽  
...  
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Agricultural Land ◽  
Brazilian Savannah ◽  
Labile Soil Organic Matter

Factors controlling labile soil organic matter vulnerability to loss following disturbance as assessed by measurement of soil-respired δ13CO2

2014 ◽  
Vol 66 (1) ◽  
pp. 135-144 ◽  
Author(s):  
A. Zakharova ◽  
M. H. Beare ◽  
E. Cieraad ◽  
D. Curtin ◽  
M. H. Turnbull ◽  
...  
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Labile Soil Organic Matter

Occurrence and abundance of carbohydrates and amino compounds in sequentially extracted labile soil organic matter fractions

2016 ◽  
Vol 16 (10) ◽  
pp. 2375-2384 ◽  
Author(s):  
Hamada M. Abdelrahman ◽  
Dan C. Olk ◽  
Dana Dinnes ◽  
Domenico Ventrella ◽  
Teodoro Miano ◽  
...  
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Soil Organic Matter Fractions ◽  
Amino Compounds ◽  
Organic Matter Fractions ◽  
Labile Soil Organic Matter

Relationships between labile soil organic matter and nematode communities in a California oak woodland

Nematology ◽  
2016 ◽  
Vol 18 (10) ◽  
pp. 1231-1245 ◽  
Author(s):  
Andrew J. Margenot ◽  
Amanda K. Hodson
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Microbial Biomass C ◽  
Soil Nematode ◽  
Drift Spectroscopy ◽  
Organic C ◽  
Nematode Communities ◽  
Labile C ◽  
Labile C Fractions ◽  
Labile Soil Organic Matter

Labile soil organic matter (SOM) is an important energy source for below-ground ecosystems but the association of labile SOM and nematode communities is poorly characterised. In this study, soil nematode communities and nematode-derived indices of ecosystem function were characterised and related to SOM lability in an undisturbed riparian woodland (California, USA). SOM lability was assessed by microbial biomass C (MBC), permanganate-oxidisable C (POXC), extractable organic C (EOC), and diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy. The channel index, which measures the ratio of bacterial-feeding to fungal-feeding nematodes in cp groups 1 and 2, respectively, decreased with labile C fractions and aliphatic C-H enrichment (infrared absorbance at 2920 cm−1) but increased with aromatic C=C enrichment (1620 cm−1) and index of decomposition (2930:1620 cm−1), as did the nematode structure index. These results indicate that nematode communities respond to variation in labile C fractions and SOM composition across a heterogeneous natural landscape, which may reflect observed differences in SOM lability among woody plant species.

Labile soil organic matter as a potential nitrogen source in golf greens

2003 ◽  
Vol 35 (12) ◽  
pp. 1643-1649 ◽  
Author(s):  
Mine Kerek ◽  
Rhae A. Drijber ◽  
Roch E. Gaussoin
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Nitrogen Source ◽  
Golf Greens ◽  
Labile Soil Organic Matter

scholarly journals Plant functional traits determined the latitudinal variations in soil microbial functions: evidence from a forest transect in China

2019 ◽  
Author(s):  
Zhiwei Xu ◽  
Guirui Yu ◽  
Xinyu Zhang ◽  
Ruili Wang ◽  
Ning Zhao ◽  
...  
Keyword(s):  
Organic Matter ◽  
Microbial Community ◽  
Soil Organic Matter ◽  
Microbial Biomass ◽  
Functional Traits ◽  
Plant Functional Traits ◽  
Decomposition Rates ◽  
Substrate Use ◽  
Soil Microbial ◽  
Carbon Concentrations

Abstract. Plant functional traits have increasingly been studied as determinants of ecosystem properties, especially for soil biogeochemical processes. While the relationships between biological community structures and ecological functions are a central issue in ecological theory, these relationships remain poorly understood at the large scale. We selected nine forests along the North–South Transect of Eastern China (NSTEC) to determine how plant functional traits influence the latitudinal pattern of soil microbial functions, and how soil microbial communities and functions are linked at the regional scale. We found that there was considerable variation in the profiles of different substrate use along the NSTEC. Soil microorganisms from temperate forests mainly metabolized high-energy substrates, while those from subtropical forests used all the substrates equally. The soil silt content and plant functional traits together shaped the biogeographical pattern of the soil microbial substrate use. Soil organic matter decomposition rates were significantly higher in temperate forests than in subtropical and tropical forests, which was consistent with the pattern of soil microbial biomass carbon concentrations. Soil organic matter decomposition rates were also significantly and negatively related to soil dissolved organic carbon concentrations, and carboxylic acid, polymer, and miscellaneous substrates. The soil microbial community structures and functions were significantly correlated along the NSTEC. Soil carbohydrate and polymer substrate use were mainly related to soil G+ bacterial and actinomycetes biomass, while the use of amine and miscellaneous substrates were related to soil G− bacteria, fungal biomass, and the F/B ratio. The contributions of different groups of microbial biomass to the production of soil enzyme activities differed. The relationship between soil microbial community structure and functions supported that there was functional dissimilarity.

scholarly journals Molecular level study of hot water extracted green tea buried in soils - a proxy for labile soil organic matter

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Nicholle G. A. Bell ◽  
Alan J. Smith ◽  
Yufan Zhu ◽  
William H. Beishuizen ◽  
Kangwei Chen ◽  
...  
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Green Tea ◽  
Molecular Level ◽  
Hot Water ◽  
Labile Soil Organic Matter

scholarly journals Differences in labile soil organic matter explain potential denitrification and denitrifying communities in a long-term fertilization experiment

2020 ◽  
Vol 153 ◽  
pp. 103630 ◽  
Author(s):  
Ronny Surey ◽  
Eva Lippold ◽  
Stefan Heilek ◽  
Leopold Sauheitl ◽  
Sina Henjes ◽  
...  
Keyword(s):  
Organic Matter ◽  
Soil Organic Matter ◽  
Fertilization Experiment ◽  
Potential Denitrification ◽  
Labile Soil Organic Matter
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