Woodchip biochar with or without synthetic fertilizers affects soil properties and available phosphorus in two alkaline, chernozemic soils

Chathurika, J. A. S.; Kumaragamage, Darshani; Zvomuya, Francis; Akinremi, O. O.; Flaten, Don; Indraratne, S. P.; Dandeniya, W. S.

doi:10.1139/cjss-2015-0094

Cited by 67 publications

(32 citation statements)

References 52 publications

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“…Furthermore, Zhai et al (2014) reported that maize straw biochar did not change the pH of an alkaline soil after 42 days of incubation. Moreover, Surani Chathurika et al (2016) reported that the coapplication of woodchip biochar (1-2% w/w) and urea and monoammonium phosphate fertilizers in two alkaline Chernozems did not change the soil pH to a greater extent than what was observed in the control condition (P > 0.05). However, Jin et al (2016) reported that applying 1.5% swine manure biochar raised the pH of neutral-to-alkaline soils by 0.5 and 0.6 pH units after 98 days of incubation.…”

Section: Discussionmentioning

confidence: 97%

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Effects of sugarcane residue biochar and P fertilizer on P availability and its fractions in a calcareous clay loam soil

Safian

Motaghian

Hosseinpur

2020

Biochar

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Biochar has the potential to affect the cycle of phosphorus (P), but the underlying mechanisms of its effects remain poorly understood in calcareous soils. Our understanding of the effects of biochar is limited in calcareous soils during incubation. Therefore, this study was conducted to investigate how the availability and mineral fractions of P change after the addition of combined biochar and P fertilizer during incubation in calcareous soil. Sugarcane residue (raw SR) and biochar (400 °C for 2 h) were added to soils treated with 50 mg kg −1 of P, in the form of Ca(H 2 PO 4) 2 •H 2 O, at 0.5 and 1% (w/w). The soils were incubated at 25 ± 1 °C for 120 days. Available P (Olsen P) contents and mineral P fractions were measured after various incubation times (7, 30, 90, and 120 days). Biochar addition remarkably increased the amount of available P when compared with the raw SR treatment and the control condition (P < 0.05). After 30 days of incubation, the amount of available P in the soils decreased and remained unchanged thereafter. The results indicated that the addition of 50 mg kg −1 of P as fertilizer significantly augmented the labile P and P associated with Fe and Al in all the treatments at all incubation times (P < 0.05). In comparison with P treated with raw SR, P associated with Fe and Al was significantly enhanced after biochar addition (P < 0.05). Significant correlations were found for available P with labile P and P associated with Fe and Al. We found that biochar addition could increase available pools, thus improving available P concentrations at various incubation times. Therefore, we conclude that sugarcane residue biochar can enhance the available P in calcareous soils.

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Section: Discussionmentioning

confidence: 97%

“…However, when all P fractionations were considered together, these changes appeared to be small. Chathurika et al (2016) studied the effects of woodchip biochar (1-2% w/w), urea and monoammonium phosphate fertilizer on Olsen P and its fractions in two alkaline Chernozems.…”

Section: Introductionmentioning

confidence: 99%

Effects of sugarcane residue biochar and P fertilizer on P availability and its fractions in a calcareous clay loam soil

Safian

Motaghian

Hosseinpur

2020

Biochar

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“…The effects of biochar on P availability are variable: in some soils, biochar application has been observed to increase P availability, while in others, P availability was not affected or was observed to decrease, mainly due to increased P sorption (Chathurika et al, 2016). Biochar can induce changes in the soil ion exchange capacity.…”

Section: Crop Residues Manure and Biocharmentioning

confidence: 99%

Phosphorus activators contribute to legacy phosphorus availability in agricultural soils: A review

Zhu

Whelan

2018

Science of The Total Environment

536

242

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Phosphorus (P) is one of the most limiting macronutrients for crop productivity and P deficiency is a common phenomenon in agricultural soils worldwide. Despite long-term application of phosphate fertilizers to increase crop yields, P availability is often low, due to the high affinity of phosphate for the soil solid phase. It has been suggested that the accumulated (surplus) P in agricultural soils is sufficient to sustain crop yields worldwide for about 100years. In this paper, we try to clear up the potential for making use of legacy P in soils for crop growth potentially alleviating the global P resource shortage. Specifically, we try to clear up the potential of soil "P activators" for releasing fixed P. P activators accelerate and strengthen process which transform P into bio-available forms via a range of chemical reactions and biological interactions. They include phosphate solubilizing microorganisms, phosphatase enzymes and enzyme activators, low molecular weight organic acids, humic acids, lignin, crop residues, biochar and zeolites. Although reported performance is variable, there is growing evidence that P activators can promote the release of phosphate from soil and, hence, have potential for mitigating the impending global P crisis. Further basic and applied research is required to better understand the mechanisms of interaction of P activators with natural soils and to maximize activator efficacy.

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“…Mean weight diameter is an important index of aggregate stability, calculated as the sum of the weighted mean diameters of all size The Journal of Agricultural Science classes, the weighting factor of each class being its proportion of the total sample weight. Both Ouyang et al (2013) and Chathurika et al (2016b) observed a significant increase in mean weight diameter with BC application to soils, suggesting the formation of more stable macro-aggregates, but this effect was only observed in sandy soils and not in clay soils. The mean weight diameter increased by twofold in a loamy sand with BC application at 20 g/kg, while there was no significant effect in a clay loam soil (Chathurika et al, 2016b).…”

Section: Amendment Effects On Soil Fertilitymentioning

confidence: 91%

Improving soil carbon pool, soil fertility and yield of maize (Zea mays L.) in low-fertile tropical Alfisols by combining fertilizers with slow-decomposing organic amendments

et al. 2019

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Amendment of recalcitrant organic materials with high carbon/nitrogen (C/N)-ratio may improve and maintain soil labile C for a longer period, thus enhancing the productivity of soils with low fertility; however, immobilization of N may affect the plant growth negatively. To reduce the negative impacts, recalcitrant organic materials can be pre-incubated with N-rich sources or applied in combination with fertilizers. The current study evaluated sawdust biochar (BC) and pre-incubated cattle manure–sawdust mixture (CS) amendments with synthetic fertilizers in improving soil carbon pool, soil fertility and maize (Zea mays L.) yield on a tropical Alfisol. Four treatments: control, site-specific fertilizer (SSF), site-specific fertilizer with sawdust biochar (BC + SSF) or pre-incubated cattle manure-sawdust mixture (CS + SSF), were evaluated for two seasons with maize. The residual effect was evaluated in the third season. During the year of active C application, lability index, C management index and potentially mineralizable N were significantly greater in CS + SSF than BC + SSF treatment. However, the same indices measured in the third season with no further application of amendments were significantly greater in BC + SSF than in CS + SSF treatment, indicating an increase in more recalcitrant C pool with BC amendment. Application of organic amendments improved soil fertility parameters compared with the application of fertilizer alone. Maize yield was significantly increased by fertilizer, with or without organic amendments; with significantly greater yield in BC + SSF than other treatments. Results suggest that soil amendment with BC had greater potential to improve the soil carbon pool and maintain labile carbon for a longer period than a pre-incubated CS.

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Woodchip biochar with or without synthetic fertilizers affects soil properties and available phosphorus in two alkaline, chernozemic soils

Cited by 67 publications

References 52 publications

Effects of sugarcane residue biochar and P fertilizer on P availability and its fractions in a calcareous clay loam soil

Effects of sugarcane residue biochar and P fertilizer on P availability and its fractions in a calcareous clay loam soil

Phosphorus activators contribute to legacy phosphorus availability in agricultural soils: A review

Improving soil carbon pool, soil fertility and yield of maize (Zea mays L.) in low-fertile tropical Alfisols by combining fertilizers with slow-decomposing organic amendments

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