Agricultural Use of Biogas Digestate as a Replacement Fertilizers

Koszel, Milan; Lorencowicz, E.

doi:10.1016/j.aaspro.2015.12.004

Cited by 139 publications

(103 citation statements)

References 12 publications

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“…The results were in agreement with those obtained by other researchers who indicated that biogas digestate may be a potential alternative for the replacement of mineral fertilizers with alternative organic fertilizers (Barbosa, Nabel, & Jablonowski, ; Cavalli et al., ; Haraldsen, Andersen, Krogstad, & Sorheim, ; Koszel & Lorencowicz, ; Riva et al., ; Sapp, Harrison, Hany, Charlton, & Thwaites, ). Researchers have reported that even over a short period, digestate could be as effective as mineral N fertilizer, based on studies with Sida hermaphrodita L., Zea mays L. and Medicago sativa L. (Barbosa et al., ; Koszel & Lorencowicz, ). On the other hand, digestate fertilization (at 5 t DM ha −1 ) of S. hermaphrodita grown on marginal soil conditions showed no significant effect on biomass yield in the short term (Nabel, Barbosa, Horsch, & Jablonowski, ).…”

Section: Discussionsupporting

confidence: 91%

Effects of 5 years of digestate application on biomass production and quality of cocksfoot (Dactylis glomerata L.)

Tilvikienė

Šlepetienė

Kadžiulienė

2017

Grass and Forage Science

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Anaerobic digestion of biomass produces biogas for combustion and also provides a residual digestate. Although sometimes regarded as a waste product, the nutrient‐rich chemical composition of digestate makes it a potential organic fertilizer for agriculture. The goal of this study was to evaluate the effectiveness of digestate as a fertilizer on the biomass yield and chemical composition of cocksfoot (Dactylis glomerata L.). In a 5‐year small‐plot field experiment digestate fertilization treatments supplying 90, 180, 270, 360 and 450 kg N ha−1 were compared with untreated plots and plots fertilized with 180 kg N ha−1 of mineral N fertilizer. Swards fertilized with digestate produced higher biomass yield compared with the control. The same rate of nitrogen fertilizer (180 kg N ha−1) supplied as digestate and from mineral fertilizers gave similar results on biomass yield. Herbage in swards fertilized with digestate contained less nitrogen, but the C:N ratio was much more suitable for biogas production. Digestate fertilization resulted in higher concentrations of cellulose and hemicellulose in biomass and lower contents of the inhibitors of anaerobic digestion—sulphur, calcium, magnesium and phosphorus—compared with those of swards receiving mineral fertilizers.

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Section: Discussionsupporting

confidence: 91%

Effects of 5 years of digestate application on biomass production and quality of cocksfoot (Dactylis glomerata L.)

Tilvikienė

Šlepetienė

Kadžiulienė

2017

Grass and Forage Science

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“…Cultivation fields are located in the experimental farm of the University of Life Sciences in Lublin, in Czesławice Commune, Lubelskie Province. The area of each field was 75 m 2 : winter wheat in the first decade of September, 2016 and alfalfa, a perennial, in April, 2015 [41]. In the third year of harvesting (2017) alfalfa was harvested one time.…”

Section: Methodsmentioning

confidence: 99%

“…Post-digestion liquid was used in the amount of 270 l per 75 m 2 . On the field fertilized with mineral fertilizers, for alfalfa sowing, there were used: nitrogen -20 kg·ha -1 , phosphorus -60 kg·ha -1 , potassium -80 kg·ha -1 [41]. Then, on the field fertilized with mineral fertilizers, for winter wheat sowing, there were used: nitrogen -140 kg·ha -1 (first dose: pre-sowing and for spring pre-sowing cultivation, second dose in the period of shooting, third dose during earing), phosphorus -62 kg·ha -1 , potassium -81 kg·ha -1 .…”

Section: Methodsmentioning

confidence: 99%

Evaluation of use of biogas plant digestate as fertilizer in alfalfa and winter wheat

Koszel

Przywara

Santoro

et al. 2018

Engineering for Rural Development

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Abstract. Anaerobic decomposition of plant residues from which biogas is produced, generates very large amounts of digestate. Due to its physicochemical properties post-digestion liquid can be used as a fertilizer. Postdigestion liquid was used in the field cultivation of fodder alfalfa and winter wheat. The content of macroelements and the content of protein in the grains of winter wheat fertilized with digestate were on the same levels as in the grains of wheat fertilized with mineral fertilizers. The analysis showed a similar content of macroelements in alfalfa leaves fertilized both with post-digestion liquid and mineral fertilizers as well. Fertilizing fields with digestate brings destruction of possible pathogens. Digestate utilization as a fertilizer brings tangible benefits in agricultural production, but it is also a product, the application of which can reduce the negative effects of mineral fertilization and contribute to development of sustainable agriculture. The study has shown that digestate can be used as a fertilizer.

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“…One can apply the digestate directly on the arable fields, others can also separate it into solid fraction and effluent. The liquid fraction can be used for irrigating fields or can be simply returned to the chamber digestion to hydrate the batch [15,16]. In turn, the solid fraction can be directly applied to the field, composted, or be used to produce pellets for heating purposes, and incinerated.…”

Section: Introductionmentioning

confidence: 99%

Sustainability Biogas Production from Ensiled Plants Consisting of the Transformation of the Digestate into a Valuable Organic-Mineral Granular Fertilizer

et al. 2018

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Abstract:The research concerned the elaborate of non-waste biogas production technology based on the development of digestate from anaerobic digestion. In the anaerobic digestion process, the substrates of plant origin in the form of silage were used. The digestate obtained after biogas production was processed using the ORTWED method into a valuable granulated organic-mineral fertilizer, which contains a solid fraction of digestate, calcium and biogenic elements. This method can be successfully applied in agriculture in the context of its sustainable development due to the growing problem of utilization of digestate forming in agricultural biogas plants.

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Agricultural Use of Biogas Digestate as a Replacement Fertilizers

Cited by 139 publications

References 12 publications

Effects of 5 years of digestate application on biomass production and quality of cocksfoot (Dactylis glomerata L.)

Effects of 5 years of digestate application on biomass production and quality of cocksfoot (Dactylis glomerata L.)

Evaluation of use of biogas plant digestate as fertilizer in alfalfa and winter wheat

Sustainability Biogas Production from Ensiled Plants Consisting of the Transformation of the Digestate into a Valuable Organic-Mineral Granular Fertilizer

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