Correlating Genetically Modified Crops, Glyphosate Use and Increased Carbon Sequestration

In the early 1990s, tillage was the leading form of weed control, with minimum/zero-tillage management practices incapable of long-term continuation. Presently, weed control through tillage has virtually disappeared as cropland management systems have transitioned largely to continuous cropping, wit...

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Auteurs principaux: Chelsea Sutherland, Savannah Gleim, Stuart J. Smyth
Format: article
Langue:EN
Publié: MDPI AG 2021
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spelling oai:doaj.org-article:3ad3b08525c94a39914d85411b3aff702021-11-11T19:24:57ZCorrelating Genetically Modified Crops, Glyphosate Use and Increased Carbon Sequestration10.3390/su1321116792071-1050https://doaj.org/article/3ad3b08525c94a39914d85411b3aff702021-10-01T00:00:00Zhttps://www.mdpi.com/2071-1050/13/21/11679https://doaj.org/toc/2071-1050In the early 1990s, tillage was the leading form of weed control, with minimum/zero-tillage management practices incapable of long-term continuation. Presently, weed control through tillage has virtually disappeared as cropland management systems have transitioned largely to continuous cropping, with zero to minimal soil disturbance. Research was undertaken to examine what was driving this land management transition. A carbon accounting framework incorporating coefficients derived from the Century Model was used to estimate carbon sequestration in the Canadian province of Saskatchewan. The results quantify the transition from farmland being a net carbon emitter to being a net carbon sequesterer over the past 30 years. This evidence confirms the correlation between genetically modified, herbicide-tolerant crops and glyphosate use is a driver of the increased soil carbon sequestration. The removal of tillage and adoption of minimal soil disturbances has reduced the amount of carbon released from tillage and increased the sequestration of carbon through continuous crop production. Countries that ban genetically modified crops and are enacting legislation restricting glyphosate use are implementing policies that Canadian farm evidence indicates will not contribute to increasing agricultural sustainability.Chelsea SutherlandSavannah GleimStuart J. SmythMDPI AGarticlecarbon dioxideclimate changeherbicide toleranceland management changeSaskatchewansoil organic carbonEnvironmental effects of industries and plantsTD194-195Renewable energy sourcesTJ807-830Environmental sciencesGE1-350ENSustainability, Vol 13, Iss 11679, p 11679 (2021)
institution DOAJ
collection DOAJ
language EN
topic carbon dioxide
climate change
herbicide tolerance
land management change
Saskatchewan
soil organic carbon
Environmental effects of industries and plants
TD194-195
Renewable energy sources
TJ807-830
Environmental sciences
GE1-350
spellingShingle carbon dioxide
climate change
herbicide tolerance
land management change
Saskatchewan
soil organic carbon
Environmental effects of industries and plants
TD194-195
Renewable energy sources
TJ807-830
Environmental sciences
GE1-350
Chelsea Sutherland
Savannah Gleim
Stuart J. Smyth
Correlating Genetically Modified Crops, Glyphosate Use and Increased Carbon Sequestration
description In the early 1990s, tillage was the leading form of weed control, with minimum/zero-tillage management practices incapable of long-term continuation. Presently, weed control through tillage has virtually disappeared as cropland management systems have transitioned largely to continuous cropping, with zero to minimal soil disturbance. Research was undertaken to examine what was driving this land management transition. A carbon accounting framework incorporating coefficients derived from the Century Model was used to estimate carbon sequestration in the Canadian province of Saskatchewan. The results quantify the transition from farmland being a net carbon emitter to being a net carbon sequesterer over the past 30 years. This evidence confirms the correlation between genetically modified, herbicide-tolerant crops and glyphosate use is a driver of the increased soil carbon sequestration. The removal of tillage and adoption of minimal soil disturbances has reduced the amount of carbon released from tillage and increased the sequestration of carbon through continuous crop production. Countries that ban genetically modified crops and are enacting legislation restricting glyphosate use are implementing policies that Canadian farm evidence indicates will not contribute to increasing agricultural sustainability.
format article
author Chelsea Sutherland
Savannah Gleim
Stuart J. Smyth
author_facet Chelsea Sutherland
Savannah Gleim
Stuart J. Smyth
author_sort Chelsea Sutherland
title Correlating Genetically Modified Crops, Glyphosate Use and Increased Carbon Sequestration
title_short Correlating Genetically Modified Crops, Glyphosate Use and Increased Carbon Sequestration
title_full Correlating Genetically Modified Crops, Glyphosate Use and Increased Carbon Sequestration
title_fullStr Correlating Genetically Modified Crops, Glyphosate Use and Increased Carbon Sequestration
title_full_unstemmed Correlating Genetically Modified Crops, Glyphosate Use and Increased Carbon Sequestration
title_sort correlating genetically modified crops, glyphosate use and increased carbon sequestration
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/3ad3b08525c94a39914d85411b3aff70
work_keys_str_mv AT chelseasutherland correlatinggeneticallymodifiedcropsglyphosateuseandincreasedcarbonsequestration
AT savannahgleim correlatinggeneticallymodifiedcropsglyphosateuseandincreasedcarbonsequestration
AT stuartjsmyth correlatinggeneticallymodifiedcropsglyphosateuseandincreasedcarbonsequestration
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