Crop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions

Abstract Reduction of excess nutrient application and balanced fertilizer use are the key mitigation options in agriculture. We evaluated Nutrient Expert (NE) tool-based site-specific nutrient management (SSNM) in rice and wheat crops by establishing 1594 side-by-side comparison trials with farmers’...

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Autores principales:	Tek B. Sapkota, Mangi L. Jat, Dharamvir S. Rana, Arun Khatri-Chhetri, Hanuman S. Jat, Deepak Bijarniya, Jhabar M. Sutaliya, Manish Kumar, Love K. Singh, Raj K. Jat, Kailash Kalvaniya, Gokul Prasad, Harminder S. Sidhu, Munmun Rai, T. Satyanarayana, Kaushik Majumdar
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/57ab70d2682049c19e61ff0403e3b0e3
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spelling	oai:doaj.org-article:57ab70d2682049c19e61ff0403e3b0e32021-12-02T15:22:56ZCrop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions10.1038/s41598-020-79883-x2045-2322https://doaj.org/article/57ab70d2682049c19e61ff0403e3b0e32021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-79883-xhttps://doaj.org/toc/2045-2322Abstract Reduction of excess nutrient application and balanced fertilizer use are the key mitigation options in agriculture. We evaluated Nutrient Expert (NE) tool-based site-specific nutrient management (SSNM) in rice and wheat crops by establishing 1594 side-by-side comparison trials with farmers’ fertilization practices (FFP) across the Indo-Gangetic Plains (IGP) of India. We found that NE-based fertilizer management can lower global warming potential (GWP) by about 2.5% in rice, and between 12 and 20% in wheat over FFP. More than 80% of the participating farmers increased their crop yield and farm income by applying the NE-based fertilizer recommendation. We also observed that increased crop yield and reduced fertilizer consumption and associated greenhouse gas (GHG) emissions by using NE was significantly influenced by the crop type, agro-ecology, soil properties and farmers’ current level of fertilization. Adoption of NE-based fertilizer recommendation practice in all rice and wheat acreage in India would translate into 13.92 million tonnes (Mt) more rice and wheat production with 1.44 Mt less N fertilizer use, and a reduction in GHG of 5.34 Mt CO2e per year over farmers’ current practice. Our study establishes the utility of NE to help implement SSNM in smallholder production systems for increasing crop yields and farmers’ income while reducing GHG emissions.Tek B. SapkotaMangi L. JatDharamvir S. RanaArun Khatri-ChhetriHanuman S. JatDeepak BijarniyaJhabar M. SutaliyaManish KumarLove K. SinghRaj K. JatKailash KalvaniyaGokul PrasadHarminder S. SidhuMunmun RaiT. SatyanarayanaKaushik MajumdarNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tek B. Sapkota Mangi L. Jat Dharamvir S. Rana Arun Khatri-Chhetri Hanuman S. Jat Deepak Bijarniya Jhabar M. Sutaliya Manish Kumar Love K. Singh Raj K. Jat Kailash Kalvaniya Gokul Prasad Harminder S. Sidhu Munmun Rai T. Satyanarayana Kaushik Majumdar Crop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions
description	Abstract Reduction of excess nutrient application and balanced fertilizer use are the key mitigation options in agriculture. We evaluated Nutrient Expert (NE) tool-based site-specific nutrient management (SSNM) in rice and wheat crops by establishing 1594 side-by-side comparison trials with farmers’ fertilization practices (FFP) across the Indo-Gangetic Plains (IGP) of India. We found that NE-based fertilizer management can lower global warming potential (GWP) by about 2.5% in rice, and between 12 and 20% in wheat over FFP. More than 80% of the participating farmers increased their crop yield and farm income by applying the NE-based fertilizer recommendation. We also observed that increased crop yield and reduced fertilizer consumption and associated greenhouse gas (GHG) emissions by using NE was significantly influenced by the crop type, agro-ecology, soil properties and farmers’ current level of fertilization. Adoption of NE-based fertilizer recommendation practice in all rice and wheat acreage in India would translate into 13.92 million tonnes (Mt) more rice and wheat production with 1.44 Mt less N fertilizer use, and a reduction in GHG of 5.34 Mt CO2e per year over farmers’ current practice. Our study establishes the utility of NE to help implement SSNM in smallholder production systems for increasing crop yields and farmers’ income while reducing GHG emissions.
format	article
author	Tek B. Sapkota Mangi L. Jat Dharamvir S. Rana Arun Khatri-Chhetri Hanuman S. Jat Deepak Bijarniya Jhabar M. Sutaliya Manish Kumar Love K. Singh Raj K. Jat Kailash Kalvaniya Gokul Prasad Harminder S. Sidhu Munmun Rai T. Satyanarayana Kaushik Majumdar
author_facet	Tek B. Sapkota Mangi L. Jat Dharamvir S. Rana Arun Khatri-Chhetri Hanuman S. Jat Deepak Bijarniya Jhabar M. Sutaliya Manish Kumar Love K. Singh Raj K. Jat Kailash Kalvaniya Gokul Prasad Harminder S. Sidhu Munmun Rai T. Satyanarayana Kaushik Majumdar
author_sort	Tek B. Sapkota
title	Crop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions
title_short	Crop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions
title_full	Crop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions
title_fullStr	Crop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions
title_full_unstemmed	Crop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions
title_sort	crop nutrient management using nutrient expert improves yield, increases farmers’ income and reduces greenhouse gas emissions
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/57ab70d2682049c19e61ff0403e3b0e3
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Crop nutrient management using Nutrient Expert improves yield, increases farmers’ income and reduces greenhouse gas emissions

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