Synergisms between Compost and Biochar for Sustainable Soil Amelioration

Fischer, Daniel A.; Glaser, Bruno

doi:10.5772/31200

Cited by 175 publications

(142 citation statements)

References 69 publications

(68 reference statements)

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“…Recently, Jaiswal et al (2015) reported that the biochar application suppresses damping off (Rhizoctonia solani) on common bean (Phaseolus vulgaris L.) seedlings. A synergistic effect of biochar and compost has been reported to improve soil fertility, plant growth and beneficial microbial activity in the rhizosphere (Agegnehu et al 2015;Fischer and Glaser 2012). Only recently, it has been shown that tomato plants growth response and Fol development in plants inoculated with microconidia is dependent on the raw material used for the production of biochars (Akhter et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Potential of Fusarium wilt-inducing chlamydospores, in vitro behaviour in root exudates and physiology of tomato in biochar and compost amended soil

et al. 2016

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Background and aims Biochars are recognised for their ability to improve soil functions and to stimulate plant defense mechanisms. We evaluated the response of Fusarium oxysporum f. sp. lycopersici chlamydospores to tomato plants grown in biochar and compost amended soil to get a deeper insight into the tomato-Fusarium pathosystem. Methods Wood chips and green waste biochar in combination with compost ('WCB comp and GWB comp ' respectively) were studied for their ability to suppress the Fusarium chlamydospores infectivity. Plant growth parameters and in vitro effects on chlamydospores were determined. Results The 'GWB comp ' soil amendment stimulated plants growth and gaseous exchange rates and had a suppressive effect on the chlamydospore infectivity in comparison with the 'WCB comp ' treatment and the treatment containing compost only. The germination rate of chlamydospores was unaffected by the source of root exudates, whereas the mycelial growth was significantly higher in root exudates from chlamydospore inoculated plants grown in 'WCB comp ' amended soil unlike to 'GWB comp ' amended soil. Conclusion Overall, our findings indicate that both biochars had a variable effect on chlamydospores. We conclude that soil amendment with garden waste biochar and compost exhibit a great potential in suppressing Fusarium chlamydospore infectivity and alleviating pathogen-induced physiological stress in tomato plants.

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Section: Introductionmentioning

confidence: 99%

Potential of Fusarium wilt-inducing chlamydospores, in vitro behaviour in root exudates and physiology of tomato in biochar and compost amended soil

et al. 2016

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“…In order to eliminate or counteract the negative effects of applying freshly produced biochars, the enhancement of biochar with either organic or mineral nutrients has been suggested [13][14][15][16]. The most applied biochar nutrient functionalization process appears to be the blending with compost or a co-composting procedure [16,17]. In both cases, the porous biochar adsorptive surface sites are charged with nutrients [18,19], thereby stimulating microbial colonization [20], improving biochar surface reactivity through accelerated oxidative aging [21,22] and promoting dissolved organic carbon (DOC) adsorption and coating [18,[23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Fourfold Increase in Pumpkin Yield in Response to Low-Dosage Root Zone Application of Urine-Enhanced Biochar to a Fertile Tropical Soil

Schmidt¹,

Pandit²,

et al. 2015

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A widely abundant and invasive forest shrub, Eupatorium adenophorum, was pyrolyzed in a cost-efficient flame curtain kiln to produce biochar. The resulting biochar fulfilled all the requirements for premium quality, according to the European Biochar Certificate. The biochar was either applied alone or mixed with fresh cow urine (1:1 volume) to test its capacity to serve as slow release fertilizer in a pumpkin field trial in Nepal. Treatments included cow-manure compost combined with (i) urine-only; (ii) biochar-only or (iii) urine-loaded biochar. All materials were applied directly to the root zone at a biochar dry matter content of 750 kg·ha with the treatment where only urine was applied, and an 85% increase compared with the biochar-only treatment. This study showed for the first time that a low-dosage root zone application of urine-enhanced biochar led to substantial yield increases in a fertile silt loam soil. This was tentatively explained by the formation of organic coating of inner pore biochar surfaces by the urine impregnation, which improved the capacity of the biochar to capture and exchange plant nutrients.

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“…A small number of studies (e.g., Schulz and Glaser 2012;Fischer and Glaser 2012) have suggested synergies between biochar and compost resulting in enhanced plant growth. However, work on biochar to date has been predominantly focused on forestry and agricultural soils, and no studies to our knowledge have specifically examined the combined effects of biochar and conventional compost amendments on soil condition and plant growth in tropical urban environments.…”

Section: Introductionmentioning

confidence: 99%

Influence of biochar and compost on soil properties and tree growth in a tropical urban environment

Ghosh

Wilson

2014

Int. J. Environ. Sci. Technol.

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Research relating to the use of organic amendments on soils has focused largely on agricultural soils, and there is a lack of information worldwide on their efficacy as amendments for urban soil management, especially in tropical urban environments. A pot experiment was conducted to assess the influence of biochar and organic compost on urban soil properties and on tree growth performance in Singapore. Biochar and compost were mixed with topsoil in different proportions, and two urban tree species commonly grown in Singapore (Samanea saman and Suregada multiflora) were used. There were significant additional height increments for both the tree species following application of biochar. S. saman exhibited greater stem elongation compared with S. multiflora in response to organic amendments. A significantly higher foliar N content was found in both tree species in biocharamended treatments along with significant increases in P and K. Increases in soil nutrient concentrations were also observed in combined biochar-compost treatments for both species. Combined compost and biochar had the strongest effects on soils and growth of the two urban tree species examined and applications containing biochar resulted in the most significant soil improvements.

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Synergisms between Compost and Biochar for Sustainable Soil Amelioration

Cited by 175 publications

References 69 publications

Potential of Fusarium wilt-inducing chlamydospores, in vitro behaviour in root exudates and physiology of tomato in biochar and compost amended soil

Potential of Fusarium wilt-inducing chlamydospores, in vitro behaviour in root exudates and physiology of tomato in biochar and compost amended soil

Fourfold Increase in Pumpkin Yield in Response to Low-Dosage Root Zone Application of Urine-Enhanced Biochar to a Fertile Tropical Soil

Influence of biochar and compost on soil properties and tree growth in a tropical urban environment

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