Enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India

The wetland cultivation of rice is subjected to anaerobic and aerobic soil conditions causing substantial changes in the soil system. However, how long-term supplementation of organics with reduced chemical fertilizers affects microbial composition, their activities, and enzymatic activities in acid...

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Autores principales:	Bhabesh Gogoi, Nilay Borah, Ajit Baishya, Dhruba Jyoti Nath, Samiron Dutta, Ranjan Das, Debojit Bhattacharyya, Karuna Kanta Sharma, Donatella Valente, Irene Petrosillo
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Integrated nutrient management Enzymatic activity Microbial activity Long-term monitoring Soil ecosystem services Rice-rice sequence Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/70db1922369f4e61af6e08549c1b67b7
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spelling	oai:doaj.org-article:70db1922369f4e61af6e08549c1b67b72021-12-01T05:01:33ZEnhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India1470-160X10.1016/j.ecolind.2021.108262https://doaj.org/article/70db1922369f4e61af6e08549c1b67b72021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21009274https://doaj.org/toc/1470-160XThe wetland cultivation of rice is subjected to anaerobic and aerobic soil conditions causing substantial changes in the soil system. However, how long-term supplementation of organics with reduced chemical fertilizers affects microbial composition, their activities, and enzymatic activities in acid soil has not been sufficiently investigated. This research is focused on a rice-rice system after an ongoing field experiment set-up in 1977–78 at Assam Agricultural University, Jorhat, India, where 7 alternative nutrient management have been investigated to: (1) assess the effects on soil organic carbon (SOC), microbial biomass carbon, and enzymatic activity in acid soil; (2) identify and discuss the most suitable treatment combinations of organic and chemical fertilizers to enhance soil ecosystem services (SES). Accordingly, we analysed the soil microbiological properties as affected by the 32 years of continuous integrated nutrient management (INM) practices and also evaluated the INM treatments in terms of SES. Results revealed that the soil microbial biomass carbon significantly varied across the treatments from 129.4 to 412.1 µg g−1 which comprises 2.4 to 4.4% of the SOC. The highest bacterial count (8.95 log cfu g−1 soil) was recorded in RDF + Azolla treatment, whereas fungal count was the maximum (7.47 log cfu g−1 soil) in RDF + FYM treatment. All the enzymatic activities responded significantly to the INM practices, but the trend of response was different for different enzymes. The highest dehydrogenase (223.6 µg TTF g−1 soil 24 h−1) and urease (4.1 μg NH4-N g−1 soil 2 h−1) activities were recorded in RDF + Azolla, while phosphomonoeaterase (337.4 μg p-nitrophenol g−1 soil h−1) and fluorescein diacetate hydrolysis (10.0 μg fluorescein g−1 soil h−1) activities were found to be the maximum in RDF + FYM. The microbial and enzymatic activities decreased significantly in the control after 32 cycles of rice-rice cropping. In this study, a significant positive statistical correlation of all the microbiological properties with soil pH, soil organic carbon and grain yield of crops were recorded. Finally, the different soil properties under the different nutrient treatments have been discussed in terms of SES provision, highlighting that the most sustainable treatments have resulted in RDF + FYM, RDF + RS and RDF + Azolla.Bhabesh GogoiNilay BorahAjit BaishyaDhruba Jyoti NathSamiron DuttaRanjan DasDebojit BhattacharyyaKaruna Kanta SharmaDonatella ValenteIrene PetrosilloElsevierarticleIntegrated nutrient managementEnzymatic activityMicrobial activityLong-term monitoringSoil ecosystem servicesRice-rice sequenceEcologyQH540-549.5ENEcological Indicators, Vol 132, Iss , Pp 108262- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Integrated nutrient management Enzymatic activity Microbial activity Long-term monitoring Soil ecosystem services Rice-rice sequence Ecology QH540-549.5
spellingShingle	Integrated nutrient management Enzymatic activity Microbial activity Long-term monitoring Soil ecosystem services Rice-rice sequence Ecology QH540-549.5 Bhabesh Gogoi Nilay Borah Ajit Baishya Dhruba Jyoti Nath Samiron Dutta Ranjan Das Debojit Bhattacharyya Karuna Kanta Sharma Donatella Valente Irene Petrosillo Enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India
description	The wetland cultivation of rice is subjected to anaerobic and aerobic soil conditions causing substantial changes in the soil system. However, how long-term supplementation of organics with reduced chemical fertilizers affects microbial composition, their activities, and enzymatic activities in acid soil has not been sufficiently investigated. This research is focused on a rice-rice system after an ongoing field experiment set-up in 1977–78 at Assam Agricultural University, Jorhat, India, where 7 alternative nutrient management have been investigated to: (1) assess the effects on soil organic carbon (SOC), microbial biomass carbon, and enzymatic activity in acid soil; (2) identify and discuss the most suitable treatment combinations of organic and chemical fertilizers to enhance soil ecosystem services (SES). Accordingly, we analysed the soil microbiological properties as affected by the 32 years of continuous integrated nutrient management (INM) practices and also evaluated the INM treatments in terms of SES. Results revealed that the soil microbial biomass carbon significantly varied across the treatments from 129.4 to 412.1 µg g−1 which comprises 2.4 to 4.4% of the SOC. The highest bacterial count (8.95 log cfu g−1 soil) was recorded in RDF + Azolla treatment, whereas fungal count was the maximum (7.47 log cfu g−1 soil) in RDF + FYM treatment. All the enzymatic activities responded significantly to the INM practices, but the trend of response was different for different enzymes. The highest dehydrogenase (223.6 µg TTF g−1 soil 24 h−1) and urease (4.1 μg NH4-N g−1 soil 2 h−1) activities were recorded in RDF + Azolla, while phosphomonoeaterase (337.4 μg p-nitrophenol g−1 soil h−1) and fluorescein diacetate hydrolysis (10.0 μg fluorescein g−1 soil h−1) activities were found to be the maximum in RDF + FYM. The microbial and enzymatic activities decreased significantly in the control after 32 cycles of rice-rice cropping. In this study, a significant positive statistical correlation of all the microbiological properties with soil pH, soil organic carbon and grain yield of crops were recorded. Finally, the different soil properties under the different nutrient treatments have been discussed in terms of SES provision, highlighting that the most sustainable treatments have resulted in RDF + FYM, RDF + RS and RDF + Azolla.
format	article
author	Bhabesh Gogoi Nilay Borah Ajit Baishya Dhruba Jyoti Nath Samiron Dutta Ranjan Das Debojit Bhattacharyya Karuna Kanta Sharma Donatella Valente Irene Petrosillo
author_facet	Bhabesh Gogoi Nilay Borah Ajit Baishya Dhruba Jyoti Nath Samiron Dutta Ranjan Das Debojit Bhattacharyya Karuna Kanta Sharma Donatella Valente Irene Petrosillo
author_sort	Bhabesh Gogoi
title	Enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India
title_short	Enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India
title_full	Enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India
title_fullStr	Enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India
title_full_unstemmed	Enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India
title_sort	enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of north-east india
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/70db1922369f4e61af6e08549c1b67b7
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Enhancing soil ecosystem services through sustainable integrated nutrient management in double rice-cropping system of North-East India

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