Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuum

This study aimed to examine the effect of composting techniques of municipal organic solid waste (MSW) for (i) total carbon (C), nitrogen (N) losses, and changes in its chemical characteristics during composting phase and (ii) value of the composted materials as fertilizer when applied to vegetables...

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Autores principales:	Shah,Ghulam Mustafa, Tufail,Nadia, Bakhat,Hafiz Faiq, Imran,Muhammad, Murtaza,Behzad, Farooq,Abu Bakr Umer, Saeed,Farhan, Waqar,Atika, Rashid,Muhammad Imtiaz
Lenguaje:	English
Publicado:	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo 2017
Materias:	Nitrogen cycling composting organic farming kitchen gardening solid waste management nutrient management
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162017000200019
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spelling	oai:scielo:S0718-951620170002000192017-08-31Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuumShah,Ghulam MustafaTufail,NadiaBakhat,Hafiz FaiqImran,MuhammadMurtaza,BehzadFarooq,Abu Bakr UmerSaeed,FarhanWaqar,AtikaRashid,Muhammad Imtiaz Nitrogen cycling composting organic farming kitchen gardening solid waste management nutrient management This study aimed to examine the effect of composting techniques of municipal organic solid waste (MSW) for (i) total carbon (C), nitrogen (N) losses, and changes in its chemical characteristics during composting phase and (ii) value of the composted materials as fertilizer when applied to vegetables. Treatments included: aerobic composting (AC), anaerobic composting (ANC), co-composting (CC) and open dumping (OD) for 4 months. During the composting phase, about 61, 50, 35, and 13% of the initial N was lost from CC, AC, OD, and ANC, respectively. The respective values in case of total C loss were 17, 13, 14 and 11%. After field application, about 41% of the applied organic N was mineralized from ANC material, whereas the respective values for OD, CC and AC were 25-26, 15-16, and 12-19%. Consequently, dry matter (DM) yield and vegetable N uptake from the resultant compost were in the order ANC>OD>CC>AC. Moreover, vegetable apparent N recovery (ANRf) was the highest from ANC (spinach: 36 and carrot: 45%) followed by OD (26 and 34%), CC (18 and 26%) and AC (18 and 24%) material. When composting N losses were taken into account during calculations, about 31-39, 17-22, 9-10, and 7-12% of the N collected from filth depots ended up in plants from ANC, OD, CC and AC, respectively. We concluded that ANC results in least C and N losses during the composting phase and greatest N mineralization in the soil, which enhances vegetable yield, N recovery and thereby the N cycling through waste-soil-plant continuum.info:eu-repo/semantics/openAccessChilean Society of Soil Science / Sociedad Chilena de la Ciencia del SueloJournal of soil science and plant nutrition v.17 n.2 20172017-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162017000200019en10.4067/S0718-95162017005000038
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Nitrogen cycling composting organic farming kitchen gardening solid waste management nutrient management
spellingShingle	Nitrogen cycling composting organic farming kitchen gardening solid waste management nutrient management Shah,Ghulam Mustafa Tufail,Nadia Bakhat,Hafiz Faiq Imran,Muhammad Murtaza,Behzad Farooq,Abu Bakr Umer Saeed,Farhan Waqar,Atika Rashid,Muhammad Imtiaz Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuum
description	This study aimed to examine the effect of composting techniques of municipal organic solid waste (MSW) for (i) total carbon (C), nitrogen (N) losses, and changes in its chemical characteristics during composting phase and (ii) value of the composted materials as fertilizer when applied to vegetables. Treatments included: aerobic composting (AC), anaerobic composting (ANC), co-composting (CC) and open dumping (OD) for 4 months. During the composting phase, about 61, 50, 35, and 13% of the initial N was lost from CC, AC, OD, and ANC, respectively. The respective values in case of total C loss were 17, 13, 14 and 11%. After field application, about 41% of the applied organic N was mineralized from ANC material, whereas the respective values for OD, CC and AC were 25-26, 15-16, and 12-19%. Consequently, dry matter (DM) yield and vegetable N uptake from the resultant compost were in the order ANC>OD>CC>AC. Moreover, vegetable apparent N recovery (ANRf) was the highest from ANC (spinach: 36 and carrot: 45%) followed by OD (26 and 34%), CC (18 and 26%) and AC (18 and 24%) material. When composting N losses were taken into account during calculations, about 31-39, 17-22, 9-10, and 7-12% of the N collected from filth depots ended up in plants from ANC, OD, CC and AC, respectively. We concluded that ANC results in least C and N losses during the composting phase and greatest N mineralization in the soil, which enhances vegetable yield, N recovery and thereby the N cycling through waste-soil-plant continuum.
author	Shah,Ghulam Mustafa Tufail,Nadia Bakhat,Hafiz Faiq Imran,Muhammad Murtaza,Behzad Farooq,Abu Bakr Umer Saeed,Farhan Waqar,Atika Rashid,Muhammad Imtiaz
author_facet	Shah,Ghulam Mustafa Tufail,Nadia Bakhat,Hafiz Faiq Imran,Muhammad Murtaza,Behzad Farooq,Abu Bakr Umer Saeed,Farhan Waqar,Atika Rashid,Muhammad Imtiaz
author_sort	Shah,Ghulam Mustafa
title	Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuum
title_short	Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuum
title_full	Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuum
title_fullStr	Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuum
title_full_unstemmed	Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuum
title_sort	anaerobic degradation of municipal organic waste among others composting techniques improves n cycling through waste-soil-plant continuum
publisher	Chilean Society of Soil Science / Sociedad Chilena de la Ciencia del Suelo
publishDate	2017
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162017000200019
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Anaerobic degradation of municipal organic waste among others composting techniques improves N cycling through waste-soil-plant continuum

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