The influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems

Abstract Extreme climate events (ECEs) of drought are becoming common in Mediterranean areas and farmers need adapt agricultural practices to achieve sustainability. This field study took place in to gain insight into the effects of seasonal rainfall, tillage and crop systems on wheat yield and weed...

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Autores principales:	María Luisa Gandía, Juan Pablo Del Monte, José Luis Tenorio, María Inés Santín-Montanyá
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/66dbb1477ac540d9ae0850e3632e3a34
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spelling	oai:doaj.org-article:66dbb1477ac540d9ae0850e3632e3a342021-11-14T12:20:26ZThe influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems10.1038/s41598-021-00934-y2045-2322https://doaj.org/article/66dbb1477ac540d9ae0850e3632e3a342021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-00934-yhttps://doaj.org/toc/2045-2322Abstract Extreme climate events (ECEs) of drought are becoming common in Mediterranean areas and farmers need adapt agricultural practices to achieve sustainability. This field study took place in to gain insight into the effects of seasonal rainfall, tillage and crop systems on wheat yield and weed parameters. Conventional (CT), minimum (MT) and no-tillage (NT) systems in wheat monoculture and rotation cropping systems were tested during 3 years of study (2014–2015, 2015–2016 and 2016–2017). Growing Season Rainfall (GSR) was the most influential factor on yield parameters and weed population. In 2016–2017, categorized as an extreme climate event by drought, the GSR accounted for 43.4% of the historical average. This year, the wheat yield (373 kg ha−1) and harvest index (0.18) were the lowest. In 2015–2016, scarcer autumn rainfall (44 mm) affected the weed germination period, reducing the density (17 plants m−2) and diversity of weed species (3 species m−2) while yield was favoured by high winter and spring rainfall (247 mm). Our study revealed that tillage effects was not significant on wheat yield, but NT systems consistently showed higher weed density and diversity than CT and MT despite the irregular GSR during this study. The rotation system presented higher values of wheat grain yield (781 kg/ha) and dry straw biomass (1803 kg/ha) but also weed biomass (48.54 g m−2) compared to monoculture (27.50 g m−2). NT and rotation combined increased the weed community although did not reduce the wheat yield compare to conventional systems even with an ECE of drought.María Luisa GandíaJuan Pablo Del MonteJosé Luis TenorioMaría Inés Santín-MontanyáNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q María Luisa Gandía Juan Pablo Del Monte José Luis Tenorio María Inés Santín-Montanyá The influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems
description	Abstract Extreme climate events (ECEs) of drought are becoming common in Mediterranean areas and farmers need adapt agricultural practices to achieve sustainability. This field study took place in to gain insight into the effects of seasonal rainfall, tillage and crop systems on wheat yield and weed parameters. Conventional (CT), minimum (MT) and no-tillage (NT) systems in wheat monoculture and rotation cropping systems were tested during 3 years of study (2014–2015, 2015–2016 and 2016–2017). Growing Season Rainfall (GSR) was the most influential factor on yield parameters and weed population. In 2016–2017, categorized as an extreme climate event by drought, the GSR accounted for 43.4% of the historical average. This year, the wheat yield (373 kg ha−1) and harvest index (0.18) were the lowest. In 2015–2016, scarcer autumn rainfall (44 mm) affected the weed germination period, reducing the density (17 plants m−2) and diversity of weed species (3 species m−2) while yield was favoured by high winter and spring rainfall (247 mm). Our study revealed that tillage effects was not significant on wheat yield, but NT systems consistently showed higher weed density and diversity than CT and MT despite the irregular GSR during this study. The rotation system presented higher values of wheat grain yield (781 kg/ha) and dry straw biomass (1803 kg/ha) but also weed biomass (48.54 g m−2) compared to monoculture (27.50 g m−2). NT and rotation combined increased the weed community although did not reduce the wheat yield compare to conventional systems even with an ECE of drought.
format	article
author	María Luisa Gandía Juan Pablo Del Monte José Luis Tenorio María Inés Santín-Montanyá
author_facet	María Luisa Gandía Juan Pablo Del Monte José Luis Tenorio María Inés Santín-Montanyá
author_sort	María Luisa Gandía
title	The influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems
title_short	The influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems
title_full	The influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems
title_fullStr	The influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems
title_full_unstemmed	The influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems
title_sort	influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/66dbb1477ac540d9ae0850e3632e3a34
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The influence of rainfall and tillage on wheat yield parameters and weed population in monoculture versus rotation systems

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