Co-composting of physic nut (Jatropha curcas) deoiled cake with rice straw and different animal dung

Das, Manab; Uppal, H. S.; Singh, Reena; Beri, S. M.; Mohan, K. Saravana Raja; Gupta, Vikas Chandra; Adholeya, Alok

doi:10.1016/j.biortech.2011.03.058

Cited by 90 publications

(39 citation statements)

References 18 publications

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“…Similar results have been reported in composting studies using sewage sludge, cattle manure and pig manure [42,46,47]. According to Das et al (2011) [48], the NH 4 + /NO 3 − ratio is a good indicator of compost maturity. In our experiment, final NH 4 + /NO3 − ratios were <0.5 (Figure 2b), suggesting that all final composts had reached maturity.…”

Section: Influence Of Sub-materials On Radiocesium Levels and Chemicasupporting

confidence: 82%

Nutrient Status in Composts and Changes in Radioactive Cesium Following the Fukushima Daiichi Nuclear Power Plant Accident

et al. 2016

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Abstract:Following the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident, the forests in the Fukushima area were highly contaminated with radiocesium ( 137 Cs and 134 Cs). Therefore, there is a need to develop strategies for remediation of the contaminated forests. We assessed changes in radioactive cesium ( 134 Cs and 137 Cs) contamination and nutrient status in composts derived from wood chip, bamboo leaf and bamboo powder using rice bran and wheat meal as sub-materials. Changes in soil properties and Komatsuna (Brassica rapa var. perviridis) growth were also investigated due the application of composts and initial materials at 0, 2.5, 5 and 10 kg·m −2 input levels. Mixing of sub-materials significantly reduced the concentration of radioactive Cs and improved compost quality. The effectiveness of three composts on soil quality improvement varied depending on their types and rates of applications. Amendments of bamboo leaf composts at 10 kg·m −2 resulted in the significantly highest soil inorganic N, available P and exchangeable K contents. Amendments of final composts also enhanced Komatsuna growth. Furthermore, radioactive Cs contaminations of the Komatsuna plants grown in these composts were below 0.1 Bq·kg −1 . This study may help to remediate the forests contaminated with radiocesium in the Fukushima area while improving the soil organic matter content to enhance soil sustainability.

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Section: Influence Of Sub-materials On Radiocesium Levels and Chemicasupporting

confidence: 82%

Nutrient Status in Composts and Changes in Radioactive Cesium Following the Fukushima Daiichi Nuclear Power Plant Accident

et al. 2016

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“…The term ''composting'' refers to the controlled decomposition and stabilization of organic wastes by biological means under aerobic conditions (Dees and Ghiorse 2001;Paredes et al 1996). Co-composting, however, is the simultaneous composting of two or more types of waste material (Das et al 2011;Petric et al 2012), with the potential added benefit of enhancing end compost quality (Paredes et al 1996).…”

Section: Introductionmentioning

confidence: 99%

Evaluating composting and co-composting kinetics of various agro-industrial wastes

Qdais

Al‐Widyan

2016

Int J Recycl Org Waste Agricult

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Purpose Agro-industrial wastes are posing serious challenges for the agro-industries. Composting and co-composting of such wastes will lead to converting such wastes into a useful product that will serve as a soil conditioner. The present research investigated the kinetics of composting and co-composting of several agro-industrial wastes. Methods Seven pilot scale composting and co-composting piles of substrates from grain dust (GD), coffee-processing waste (CPW) and olive mill waste (OMW) were tested. Temperature and moisture content of the piles were monitored during the composting process and adjusted whenever necessary. Results The biodegradation kinetics was found to be of first order for all composting and co-composting piles. As judged by the value of the reaction rate constant, and the temperature of the piles, the biodegradability of the grain dust was the highest among all composting piles, followed by the coffee-processing residue and finally the fresh olive mill waste. As for the co-composting, the highest degradability was noticed in the pile that was composed of grain dust and coffee-processing waste followed by that of grain dust mixed with dry olive mill waste, and then followed by coffee-processing waste and dry olive mill waste and finally by grain dust with fresh olive-processing waste. Conclusions Composting and co-composting of agro-industrial wastes is a low cost and an environmentally friendly waste management option for solving the problem of the disposal of such waste. The study revealed that all piles followed first-order kinetics with different biodegradability rates.

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“…The large amount of de-oiled seed cakes produced by oil-extraction process is valuable as organic manure due to its high nitrogen content (up to 6.48%) and can be used to maintain fertility of soil (Singh et al 1996;Chaturvedi et al, 2008a;Chaturvedi et al, 2010). The presence of toxic component, phorbol ester in Jatropha cake discourages people from using this nitrogen and phosphorus rich cake as animal feedstock also an important environmental concern, if utilized as compost (Das et al, 2011). Low quantity of phorbol ester in Jatropha compost also reduces the possibility of accumulation in plants grown on compost treated soil.…”

Section: Introductionmentioning

confidence: 99%

Bio-diesel waste as tailored organic fertilizer for improving yields and nutritive values of Lycopercicum esculatum (tomato) crop

Chaturvedi

Kumar

2012

J. Soil Sci. Plant Nutr.

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The present study focused on utilization of the de-oiled Jatropha cake, a bio-waste from the bio diesel extraction process, as organic fertilizer. Tomato crop was subjected to different treatments comprising varying composition of the Jatropha cake fertilizer, applied at varying age of plant life-cycle. The impact on yield, morphological and nutritional parameters was studied. Results revealed that an optimal (2-3 % by weight) dose applied on the soil at the time of onset of flowering (around 45 days), significantly enhanced the yield along with improvements in morphological parameters. There were significant improvements in key nutrients viz. protein, vitamin C and reducing sugars. High value of key nutrients like TSS (total soluble solid), vitamin C, proteins, reducing sugar and tomato fruit yield were obtained with soil + 3% cake mixed in 60 day transplant.These results indicate that composted de-oiled Jatropha cake has tremendous potential of being utilized in a cost effective way as tailored organic fertilizer, as a replacement of chemical fertilizers.

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Co-composting of physic nut (Jatropha curcas) deoiled cake with rice straw and different animal dung

Cited by 90 publications

References 18 publications

Nutrient Status in Composts and Changes in Radioactive Cesium Following the Fukushima Daiichi Nuclear Power Plant Accident

Nutrient Status in Composts and Changes in Radioactive Cesium Following the Fukushima Daiichi Nuclear Power Plant Accident

Evaluating composting and co-composting kinetics of various agro-industrial wastes

Bio-diesel waste as tailored organic fertilizer for improving yields and nutritive values of Lycopercicum esculatum (tomato) crop

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