Short- and long-term effects of continuous compost amendment on soil microbiome community

Kraut-Cohen, Judith; Zolti, Avihai; Rotbart, Nativ; Bar‐Tal, Asher; Laor, Yael; Medina, Shlomit; Shawahna, Raneen; Saadi, Ibrahim; Raviv, M.; Green, Stefan J.; Yermiyahu, Uri; Minz, Dror

doi:10.1016/j.csbj.2023.05.030

Cited by 8 publications

(3 citation statements)

References 67 publications

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“…Larger imprints of pure FYM (Cat. A) in younger experiments agree with this observation, highlighting the role of in-situ processing of continuously added FYM-C by a more and more adapted soil microbial community (Francioli et al, 2016;Ma et al, 2020;Kraut-Cohen et al, 2023). This shift in processing leads to a SOM composition diverging from pure FYM molecularly (Cat.…”

Section: Farmyard Manure Changes the Energetic Properties Of Soil Org...supporting

confidence: 79%

“…Molecular responses were relatively small (3-16% change in terms of intensity, Fig. 3b), in line with low amounts of FYM-C added, compared to other C inputs and standing SOC stocks (Kraut-Cohen et al, 2023). The similar trajectories with PCs 2 and 3 suggested a) similar processes independent of site and b) FYM transformation instead of simple (linear) retention of pure FYM.…”

Section: Farmyard Manure Changes the Energetic Properties Of Soil Org...mentioning

confidence: 68%

“…A more detailed discussion of imprints of different types of residues (plant, bacterial, fungal) and how they explain changes in molecular composition of (extractable) SOM due to FYM addition is provided in a companion paper (Stumpf et al, this issue). The little response of category A to FYM addition suggests only minor effects of pure FYM markers on active microbial consortia and their direct decomposition products as discussed above (FYM-C is small compared to SOC/ other C inputs) (Kraut-Cohen et al, 2023), and could even promote lowered imprints at sandy site TH (Ye et al, 2019). The presence of pure FYM markers (even in control soils) stresses the role of microbial residues and freshly decomposing plant litter for soils, as these markers had highest energetic potentials (Fig.…”

Section: Transformation Processes Drive Changes In Som's Energetic Po...mentioning

confidence: 94%

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Long-term effects of farmyard manure addition on soil organic matter molecular composition: C transformation as a major driver of energetic potential

Simon,

Miltner,

Mulder

et al. 2024

Preprint

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Long-term addition of farmyard manure (FYM) supports the accumulation of microbial C and soil organic matter (SOM), but the effects on energy storage remain unknown. In particular, it remains unresolved whether FYM or the stimulation of microbial transformations explains the increased microbial imprint. The latter would suggest that the accumulation of SOM transformation products controls energy storage, rather than FYM directly. We hypothesized that the overlap with original FYM signatures could be used as a measure of SOM transformation and its effect on SOM's nominal oxidation state of C (NOSC) and energetic potential ΔG0Cox. We employed solid-state laser desorption ionization Fourier transform mass spectrometry (LDI-FT-ICR-MS) to study molecular signatures of FYM samples and topsoil from four long-term field experiments receiving FYM, and unfertilized controls. In line with bulk elemental analysis, LDI-FT-ICR-MS suggested that FYM addition increased SOM's energetic potential (0.7 – 1.2 kJ/mol C). FYM addition changed SOM composition by 3 - 16% of ion abundance as compared to controls, being larger in longer-running field experiments. Markers unrelated to original FYM signatures (i.e., indirect effects) explained 67 – 84% of molecular changes while markers directly related to FYM explained only 2 – 12%. FYM addition shifted molecular composition to higher H/C, O/C and m/z, and lower aromaticity. Accumulated molecules had higher energetic potentials and were, despite being chemically similar to original FYM, elevated in mass, suggesting potential use of FYM-derived building blocks for microbial synthesis of larger molecules. Vanishing molecules showed lower energetic potential, mirroring the higher oxidation state of water-extractable organic matter, which pointed to an increased solubility of SOM. Our results indicate a uniform shift in SOM properties upon FYM addition, but highlight the role of site-specific trajectories of SOM compositional change. We discuss the implications of FYM-induced microbial transformations for energy storage and long-term stability of SOM.

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Section: Farmyard Manure Changes the Energetic Properties Of Soil Org...supporting

confidence: 79%

Section: Farmyard Manure Changes the Energetic Properties Of Soil Org...mentioning

confidence: 68%

Section: Transformation Processes Drive Changes In Som's Energetic Po...mentioning

confidence: 94%

See 1 more Smart Citation

Long-term effects of farmyard manure addition on soil organic matter molecular composition: C transformation as a major driver of energetic potential

Simon,

Miltner,

Mulder

et al. 2024

Preprint

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Effects of several long-term soil health treatments on populations of Pratylenchus penetrans and the soil microbial community

Nijhuis,

Kurm,

Visser

et al. 2024

Biol Fertil Soils

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Soil suppressiveness can reduce the damage by plant parasitic nematodes (PPN) in agricultural soils and is conveyed by the activity of soil microorganisms. While natural suppressiveness has been reported, it is still poorly understood if soil suppressiveness can be elicited by manipulating the soil microbial community. In the present study we assessed the number of the Pratylenchus penetrans (Pp) and the bacterial and fungal community composition over 7 years in a long-term soil health experiment. The field experiment consisted of an organic and conventional agricultural land management system and three soil health treatments (SHT): an untreated control (CT), anaerobic disinfestation (AD) and a combination of marigold cover cropping, compost and chitin amendment (CB). The land management systems were kept continuously, while the soil health treatments were applied only twice in seven years. The microbial community significantly differed between the organic and conventional system, but there was no significant difference in Pp numbers between the two systems. However, both the CB treatment and to a lesser extent the AD treatment reduced Pp numbers and increased yield with the effect being the strongest in the years immediately after the treatment. Accordingly, both the bacterial and fungal community differed significantly between the treatments, the differences being largest in the years after the treatments. Notably, the CB treatment elicited both long-term changes in the microbial community and a reduction of Pp numbers lasting for at least three years. These results indicated that a combination of treatments can lead to an altered soil microbial community in combination with persisting suppressiveness of Pp.

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Influence of Chinese herbal plants on greenhouse gas emissions from pig manure composting and fermentation

Duan,

Wu,

Chen

et al. 2024

International Biodeterioration & Biodegradation

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Short- and long-term effects of continuous compost amendment on soil microbiome community

Cited by 8 publications

References 67 publications

Long-term effects of farmyard manure addition on soil organic matter molecular composition: C transformation as a major driver of energetic potential

Long-term effects of farmyard manure addition on soil organic matter molecular composition: C transformation as a major driver of energetic potential

Effects of several long-term soil health treatments on populations of Pratylenchus penetrans and the soil microbial community

Influence of Chinese herbal plants on greenhouse gas emissions from pig manure composting and fermentation

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