Improving the fertility of sandy soils in the temperate region by combined biochar and microbial inoculant treatments

Rékási, Márk; Szili‐Kovács, Tibor; Takács, Tünde; Bernhardt, Botond; Puspán, Ildikó; Kovács, Rita; Kutasi, József; Draskovits, Eszter; Molnár, Sándor; Molnár, Mónika; Uzinger, Nikolett

doi:10.1080/03650340.2018.1482536

Cited by 28 publications

(13 citation statements)

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“…According to this analysis and in light of the fact that they are often used interchangeably, we conclude that the terms microbial consortium, synthetic microbial community, microbial cocktail, and synthetic microbiome Del Frari et al, 2019;El Hage et al, 2019;Colpa et al, 2020;Pereira et al, 2020;Dai et al, 2021 Chen et al, 2018;Wang et al, 2018;Rafique et al, 2019;Rékási et al, 2019;Dong et al, 2020;Singh et al, 2020 Synthetic microbial community Shahab et al, 2018;Carrión et al, 2019;Christiaens et al, 2019;Honjo et al, 2019;Wang et al, 2020;Krieger et al, 2021 Microbial cocktail Moreira et al, 2017;Qu et al, 2018;Pasaribu et al, 2019;Pires et al, 2019;Tobin et al, 2020;Zheng et al, 2020 Synthetic microbiome Venturelli et al, 2018;Timmis et al, 2019;Vandeplassche et al, 2019;Voges et al, 2019;Koskella, 2020;Mabwi et al, 2021 The symbol "+" indicates the presence of the specific key characteristic, while the symbol "-" indicates its absence, in association with each term (refer to the text for the definition of the concepts of each key characteristic).…”

Section: Are Microbial Blend-related Terms Synonyms?mentioning

confidence: 79%

Microbial Blends: Terminology Overview and Introduction of the Neologism “Skopobiota”

Frari

Ferreira

2021

Front. Microbiol.

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Section: Are Microbial Blend-related Terms Synonyms?mentioning

confidence: 79%

Microbial Blends: Terminology Overview and Introduction of the Neologism “Skopobiota”

Frari

Ferreira

2021

Front. Microbiol.

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“…Both BC and compost influenced the NO 3 -N content, but in contrasting ways as a function of their liming effect. Ammonification is a less pH-dependent process than nitrification, so the higher pH in the BC treatments could have facilitated an increase in NO 3 -N content, while NH 4 -N remained unchanged [19]. In the case of compost the slighter pH increment could have resulted in less intensive nitrification.…”

Section: Discussionmentioning

confidence: 98%

“…The PGPRs were mixed in the following ratio: Bacillus aryabhattai-LU44 (function: phosphate solubilisation; 3.4 × 10 8 CFU (colony-forming unit)/g IC); Azospirillum brasilense-NF7 (function: nitrogen fixation; 1.4 × 10 7 CFU/g IC); Azospirillum brasilense-242/9 (function: nitrogen fixation; 4.4 × 10 8 CFU/g IC); Paenibacillus peoriae-S284 (function: antimicrobial inhibition, nitrogen fixation; 2.4 × 10 7 CFU/g IC); Arthrobacter crystallopoietes-S153 (function: siderophore activity; 1 × 10 9 CFU/g IC). The PGPR combination was selected to intensify humification and soil aggregate formation, to improve the nitrogen, phosphorus and iron supply and to provide plant growth-promoting compounds under sandy and/or acidic soil conditions [19]. The selected strains have wide pH tolerance, which is favourable in the presence of biochar, since the latter tends to generate alkaline conditions.…”

Section: Methodsmentioning

confidence: 99%

“…The effect of combining organic amendments with PGPR on soil fertility and other soil services has already been tested, but data on the joint application and interactive effect of compost, BC and PGPR are scarce [8,15,19,20]. The combined application of these materials proved successful in alleviating drought stress and in phytoremedial technologies [4,21,22].…”

Section: Introductionmentioning

confidence: 99%

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Fertility Impact of Separate and Combined Treatments with Biochar, Sewage Sludge Compost and Bacterial Inocula on Acidic Sandy Soil

et al. 2020

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The short-term effects of processed waste materials: sewage sludge compost (up to 0.5%), biochar made of paper sludge and grain husk (BC) (up to 2%) combined with plant growth-promoting rhizobacterial (PGPR) inoculum, on the fertility of acidic sandy soil at 65% of field capacity were tested in a pot experiment in separate and combined treatments. The soil pH, organic matter content, total and plant-available nutrients, substrate-induced respiration, arbuscular mycorrhizal fungal (AMF) root colonisation parameters and maize (Zea mays L.) biomass were investigated in experiments lasting two months. The positive priming (21% organic matter loss) induced by BC alone was not observed after combined application. The combination of compost and PGPR with 1.5% BC resulted in 35% higher P and K availability due to greater microbial activity compared to BC alone. Only compost applied alone at 0.5% gave a 2.7 times increase in maize biomass. The highest microbial activity and lowest AMF colonisation were found in combined treatments. In the short term the combined application of BC, compost and PGPR did not result in higher fertility on the investigated soil. Further research is needed with a wider range of combined treatments on acidic sandy soil for better understanding of the process.

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“…To lessen any negative effects from intensive farming, different techniques or enhancement materials such as reduced tillage, mulch options, and organic fertilizer, compost, or biochar additions might be applied. Biochar use in soils gained interest in recent years as a possible tool to mitigate climate change effects, reduce greenhouse gas (GHG) emissions [1,2], and to improve crop yield [3][4][5]. While the effects of biochar amendment on particular parts of the soil-plant-water system have been studied widely in recent years, examining the interrelations of the whole system still needs to be addressed [6].…”

Section: Introductionmentioning

confidence: 99%

Changes in the Soil–Plant–Water System Due to Biochar Amendment

Horel

Tóth

2021

Water

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The aim of this study was to do a complex examination of the soil–plant–water system and soil greenhouse gas emissions when biochar is applied to soil planted with sweet corn (Zea mays L. var. saccharata). The study covers two consecutive vegetation periods. We investigated (i) the changes in plant growth, (ii) soil water and temperature at different depths, (iii) greenhouse gas (GHG) emissions (CO2 and N2O) after biochar application, and (iv) the soil water, chemistry, and plant interactions. We used discrete measurements for plant growth, biomass production, and soil chemistry, while continuously monitoring the soil water content and temperature, and the state of plant health (i.e., using spectral reflectance sensors). Plant response in the control plot showed higher values of normalized difference vegetation index (NDVI; 0.3%) and lower values for photochemical reflectance index (PRI) and fraction of absorbed photosynthetically active radiation (fAPAR) by 26.8% and 2.24%, respectively, than for biochar treatments. We found significant negative correlations between fAPAR and soil water contents (SWC), and NDVI and SWC values (−0.59 < r < −0.30; p < 0.05). Soil temperature at the depth of 15 cm influenced soil CO2 emissions to a larger extent (r > 0.5; p < 0.01) than air temperature (0.21 < r < 0.33) or soil water content (r < 0.06; p > 0.05). Our data showed strong connections between GHG production and soil chemical parameters of soil pH, nitrogen, potassium, or phosphate concentrations. Biochar application increased soil CO2 emissions but reduced N2O emissions. Our results demonstrated that biochar amendment to soils can help plant growth initially, but might not result in enhanced crop yield. The plant parameters were substantially different between the investigated years for both control and biochar amended parcels; therefore, long-term studies are essential to document the lasting effects of these treatments.

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Improving the fertility of sandy soils in the temperate region by combined biochar and microbial inoculant treatments

Cited by 28 publications

References 48 publications

Microbial Blends: Terminology Overview and Introduction of the Neologism “Skopobiota”

Microbial Blends: Terminology Overview and Introduction of the Neologism “Skopobiota”

Fertility Impact of Separate and Combined Treatments with Biochar, Sewage Sludge Compost and Bacterial Inocula on Acidic Sandy Soil

Changes in the Soil–Plant–Water System Due to Biochar Amendment

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