How dose of biochar and biochar with nitrogen can improve the parameters of soil organic matter and soil structure?

Šimanský, Vladimí­r; Hořák, Jan; Igaz, Dušan; Jończak, Jerzy; Markiewicz, Maciej; Felber, Raphael; Rizhiya, Elena Y.; Lukáč, Martin

doi:10.1515/biolog-2016-0122

Cited by 39 publications

(25 citation statements)

References 37 publications

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“…For example, Burreto et al [2009] found a positive relationship between the content of organic carbon and the shares of macro-aggregates. Next, the relationship between C L and WSA ma has confirmed the results of other studies [Polláková et al 2017;Šimanský et al 2016]. An increase of macro-aggregate stability and a higher content C org and C L was also confirmed by their positive correlation with MWD W and Sw but it had a negative correlation with Kv.…”

Section: Resultssupporting

confidence: 87%

The Effect of Different Rates of Biochar and Biochar in Combination with N Fertilizer on the Parameters of Soil Organic Matter and Soil Structure

Juriga¹,

Šimanský²,

Hořák³

et al. 2018

J. Ecol. Eng.

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Since biochar is considered to be a significant source of carbon, in this work we have evaluated the changes in soil organic matter (SOM) and soil structure due to application of biochar and biochar with N fertilization, and have considered the interrelationships between the SOM parameters and the soil structure. The soil samples were collected from Haplic Luvisol at the locality of Dolná Malanta (Slovakia) during 2017. The field experiment included three rates of biochar application (B0-no biochar, B10-biochar at the rate of 10 t ha-1 , B20-biochar at the rate of 20 t ha-1) and three levels of N fertilization (N0-no nitrogen, N160-nitrogen at the rate of 160 kg ha-1 , N240-nitrogen at the rate of 240 kg ha-1). The rate of biochar at 20 t ha-1 caused an increase in the organic carbon (C org) content. The combination of both rates of biochar with 160 and 240 kg N ha-1 also caused an increase in C org. In the case of B20 the extractability of humic substances carbon (C HS) was 17.79% lower than at B0. A significant drop was also observed in the values of the extraction of humic acids carbon (C HA) and fulvic acids carbon (C FA) after the addition of biochar at a dose of 20 t ha-1 with 160 kg N ha-1. However, both rates of biochar had a significant effect at 240 kg N ha-1. After application of 20 t ha-1 of biochar the content of water-stable macro-aggregates (WSA ma) significantly increased compared to control. This rate of biochar also increased the mean weight diameter (MWD W) and the index of water-stable aggregates (Sw) and decreased the coefficient of vulnerability (Kv). The biochar at a rate of 20 t ha-1 with 240 kg N ha-1 the value of MWD W increased and value of Kv decreased significantly. The contents of C org and C L correlated positively with WSA ma , MWD W and Sw and negatively with WSA mi and Kv. The extraction of C HA and C FA was in negative relationship with MWD W. We conclude that the application of biochar and biochar combined with N fertilizer had a positive influence on SOM and soil structure.

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Section: Resultssupporting

confidence: 87%

The Effect of Different Rates of Biochar and Biochar in Combination with N Fertilizer on the Parameters of Soil Organic Matter and Soil Structure

Juriga¹,

Šimanský²,

Hořák³

et al. 2018

J. Ecol. Eng.

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“…The high MiAS value produced by BC5.0 shows that more coagulated colloids are present in BC5.0 treatment; therefore, more water stable aggregates may be formed. Several publications reported increased aggregate stability after biochar addition (Ouyang et al, 2013;Šimanský et al, 2016), which was also confirmed by the present experiment. Macroaggregate stability is also affected by plant root development over time, without the addition of any soil enhancer materials (Angers and Caron, 1998;Vergani and Graf, 2016).…”

Section: Discussionsupporting

confidence: 91%

Soil physical properties affected by biochar addition at different plant phaenological phases. Part I

Horel¹,

Barna²,

Makó³

2019

Int. Agrophys.

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Soil amendment usage can substantially modify soil structural and hydraulic properties, with the aim of improving its water, air and nutrition management along with crop growth. The purpose of the present study was to investigate the physical changes in soil through different plant growing stages caused by biochar addition to silt loam soil. This research focused on changes in structural stability, and macro-and microaggregate stability. The soils were amended with different amounts of biochar (control with 0, BC0.5 with 0.5%, BC2.5 with 2.5%, and BC5.0 with 5.0% biochar, by weight). Capsicum annuum L. were planted at a two-four leaf stage. Soil samples were taken at 6, 10 and 12 weeks after planting. The results showed increasing macroaggregate stability values with increasing biochar addition; however, higher values were also detectable in control treatments over time. Increased microaggregate stability values were observed during the plant maturing phase and the decrease, which occurred during fruit development was more pronounced. The largest microaggregate stability value was observed in the case of BC2.5 among all treatments, which corresponded better to plant growth rather than to the amount of added biochar. It was also found that the laser diffraction method is a suitable alternative technique to the sievepipette method for analysing biochar and biochar-amended soil particle size distribution and structure. K e y w o r d s: structural stability, macro-and microaggregate stability, laser diffraction method

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“…Castaldi et al, 2011;Cornelissen et al, 2018). Since the biochar is alkaline, it might increase of soil pH, but this effect could be softened with adding The biochar application can be beneficial for soil pH enhancement (e. g. Chintala et al, 2013;Obia et al, 2015;Horák et al, 2017;Teutscherova et al, 2017;Šimanský et al, 2018) as confirmed by our data. As shown in Fig.…”

Section: Tablesupporting

confidence: 81%

“…According to Dai et al (2017), application of biochar, to raise soil pH, could present an acceptable solution to high soil acidity. There is a consensus that biochar application raises the pH in acidic soils Šimanský et al, 2018). Adding biochar into the soil could prove to be a valuable instrument in the efforts to increase the soil fertility and its use is deemed an important to counter the risks of soil acidification (Dai et al, 2017).…”

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confidence: 99%

Effects of Biochar and its Reapplication on Soil pH and Sorption Properties of Silt Loam Haplic Luvisol

Juriga

Šimanský

2019

Acta Horticulturae Et Regiotecturae

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In this paper we investigate the effects of biochar alone and its reapplication and combination with N-fertilizer (1) on the soil pH, and (2) sorption parameters. The soil samples were taken during growing period in 2018 from plots with different biochar (first application in 2014 – A, reapplication in 2018 – B) at application rates: 0 t.ha−1 (B0 control), 10 t.ha−1 (B10) and 20 t.ha−1 (B20) and different nitrogen fertilization: N0 (no nitrogen) and N40 (40 kg.ha−1). Our results showed that the first application of biochar at the rate of 20 t.ha−1 (B20A) without N-fertilizer significantly increased the values of soil pH in H2O, soil pH in KCl, the sum of base cations (SBC) and cation exchange capacity (CEC) compared to control (B0). Similar effects were observed also after reapplication of biochar (B10B). All investigated parameters in fertilized control treatment (B0N40) were worst and the first application, as well as the reapplication of biochar with N, caused significant increase of soil pH in H2O, soil pH in KCl, SBC, CEC, BS and decrease of hydrolytic acidity.

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How dose of biochar and biochar with nitrogen can improve the parameters of soil organic matter and soil structure?

Cited by 39 publications

References 37 publications

The Effect of Different Rates of Biochar and Biochar in Combination with N Fertilizer on the Parameters of Soil Organic Matter and Soil Structure

The Effect of Different Rates of Biochar and Biochar in Combination with N Fertilizer on the Parameters of Soil Organic Matter and Soil Structure

Soil physical properties affected by biochar addition at different plant phaenological phases. Part I

Effects of Biochar and its Reapplication on Soil pH and Sorption Properties of Silt Loam Haplic Luvisol

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