Application of compost of two-phase olive mill waste on olive grove: Effects on soil, olive fruit and olive oil quality

Fernández‐Hernández, A.; Roig, A.; Serramiá, N.; Civantos, Concepción García-Ortiz; Sánchez-Monedero, Miguel Á.

doi:10.1016/j.wasman.2014.03.027

Cited by 97 publications

(56 citation statements)

References 30 publications

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“…Our results did not agree with those of Fernández-Hernández et al (2014), that found an increase of the olive oil content in the fruits from plots treated for 6 years with various olive mill waste-based composts with respect to the fruits from plots managed with inorganic fertilization. The SOMW and C-SOMW+P treatments did not strong affect the oil chemical characteristics.…”

Section: Discussioncontrasting

confidence: 99%

“…A more general valuable effect of the olive mill waste application to soil on agricultural yields was reported by Brunetti et al (2005), in which the higher wheat grain yield was attributed to the increase of the humic acid functional groups in the amended soils. The positive effect of the application of SOMW or C-SOMW+P on the vegetative activity and fruit yield can depend on the mineralization of the organic matter supplied with the amendments, and consequent release of nutrients, such as K, P, Ca, Mg, and Fe (Alburquerque et al, 2004; López-Piñeiro et al, 2011; Killi and Kavdir, 2013; Nasini et al, 2013; Fernández-Hernández et al, 2014). …”

Section: Discussionmentioning

confidence: 99%

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Long Term Amendment with Fresh and Composted Solid Olive Mill Waste on Olive Grove Affects Carbon Sequestration by Prunings, Fruits, and Soil

et al. 2017

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The soil amendment with organic wastes represents a way to increase the soil fertility and the organic carbon (C) stored in the agro-ecosystems. Among the organic waste materials produced by agricultural and industrial activities, olive mill wastes derived from the olive oil extraction process may represent a suitable soil amendment. The aim of the study was to evaluate the effect of fresh (SOMW) or composted mixture of SOMW and shredded olive tree prunings (C-SOMW+P) on the vegetative and productive activities of olive trees, on the C stored in the tree non-permanent structures (prunings and fruits) and in the soil. The plots treated with SOMW or C-SOMW+P showed higher vegetative and productive activities than the untreated plots, and this was attributed to the higher total N and availability of P and K supplied by the amendments. Consequently, treatments increased the C sequestered in the tree non-permanent structures than in the control trees. However, no significant different effect between SOMW and C-SOMW+P treatments was found for the C stored in prunings and fruits, whereas it was evident a stronger influence of C-SOMW+P than SOMW on soil C sequestration. Indeed, about 50% the C supplied by the treatment with C-SOMW+P was sequestered in the olive grove system, with more than 90% of the sequestered C stored into the soil. The low amount of C sequestered in the soil following the addition of SOMW was attributed to its richness of moisture and easily degradable compounds that triggered the mineralization processes controlled by the soil microbial community. Although the 8 years of amendment produced a higher fruit yields than the control, no difference occurred between the characteristics and the oil content of the olive fruits. Only the total phenol content for the oil obtained from the SOMW-treated plots was significantly higher. The other considered fruit characteristics did not show significant differences.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Long Term Amendment with Fresh and Composted Solid Olive Mill Waste on Olive Grove Affects Carbon Sequestration by Prunings, Fruits, and Soil

et al. 2017

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“…Recently composting of the solid fraction of the olive mill waste is one of the most popular valorization methods, regarding the humidification and the reduction of polyphenol content. [12][13][14] Also the feasibility of energy recovery has been considered, for example, by combustion of the cake. [15] However, the total energy recovery in this kind of utilization has been discussed as not sufficient enough.…”

Section: Introductionmentioning

confidence: 99%

Overcoming the bottlenecks of anaerobic digestion of olive mill solid waste by two-stage fermentation

Stoyanova

Lundaa

Bochmann

et al. 2016

Environmental Technology

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Two-stage anaerobic digestion (AD) of two-phase olive mill solid waste (OMSW) was applied for reducing the inhibiting factors by optimizing the acidification stage. Single-stage AD and co-fermentation with chicken manure were conducted coinstantaneous for direct comparison. Degradation of the polyphenols up to 61% was observed during the methanogenic stage. Nevertheless the concentration of phenolic substances was still high; the two-stage fermentation remained stable at OLR 1.5 kgVS/m³day. The buffer capacity of the system was twice as high, compared to the one-stage fermentation, without additives. The two-stage AD was a combined process - thermophilic first stage and mesophilic second stage, which pointed out to be the most profitable for AD of OMSW for the reduced hydraulic retention time (HRT) from 230 to 150 days, and three times faster than the single-stage and the co-fermentation start-up of the fermentation. The optimal HRT and incubation temperature for the first stage were determined to four days and 55°C. The performance of the two-stage AD concerning the stability of the process was followed by the co-digestion of OMSW with chicken manure as a nitrogen-rich co-substrate, which makes them viable options for waste disposal with concomitant energy recovery.

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“…This crop produces an annual volume of 10 million m 3 of olive mill wastewater and 6 million m 3 of solid olive mill by products; consisting of olive stones, leaves, and pomace (Nektarios et al, 2011) Using the composted waste from olive production is not a new method of providing nutrients to crops. Altieri et al, (2010 and2014) have completed similar trials using composted olive mill waste (OMW) on strawberries in Italy in 2010 and 2014. This work used OMW composted with wool waste, wheat straw and sawdust (Altieri et al, 2014;Altieri et al, 2010) and the product performed adequately when compared with peat.…”

Section: Introductionmentioning

confidence: 99%

“…Exhausted olive mill cake composted in combination with poultry manure has also shown to have beneficial effects on crop growth when compared to raw farm manures (Hachicha et al, 2006). A recent study reported positive results when comparing OMW co-composted with manures with inorganic fertilisers when they were applied on olive groves (Fernández-Hernández et al, 2014) Olive mill waste (OMW) has distinctive characteristics by being high in phenolic compounds, with low pH and high salinity (Niaounakis and Halvadakis, 2006), the use of raw OMW on farmland can cause environmental problems (Di Bene et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Co-composting as a method to produce nutrient-rich compost from olive mill waste to use as a substitute for growing strawberries in the UK

Mortimer¹,

Fletcher²,

Velis³

2016

Acta Hortic.

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Application of compost of two-phase olive mill waste on olive grove: Effects on soil, olive fruit and olive oil quality

Cited by 97 publications

References 30 publications

Long Term Amendment with Fresh and Composted Solid Olive Mill Waste on Olive Grove Affects Carbon Sequestration by Prunings, Fruits, and Soil

Long Term Amendment with Fresh and Composted Solid Olive Mill Waste on Olive Grove Affects Carbon Sequestration by Prunings, Fruits, and Soil

Overcoming the bottlenecks of anaerobic digestion of olive mill solid waste by two-stage fermentation

Co-composting as a method to produce nutrient-rich compost from olive mill waste to use as a substitute for growing strawberries in the UK

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