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Impact of conservation tillage on wheat performance and its microbiome

Romano, Ida; Bodenhausen, Natacha; Basch, Gottlieb; Soares, Miguel; Faist, Hanna; Trognitz, Friederike; Sessitsch, Angela; Doubell, Marcé; Declerck, Stéphane and Symanczik, Sarah (2023) Impact of conservation tillage on wheat performance and its microbiome. Frontiers in Plant Science, 14, pp. 1-17.

[thumbnail of romano-etal-2023-fpls-Vol14-No1211758-1-17.pdf] PDF - German/Deutsch
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Document available online at: https://www.frontiersin.org/articles/10.3389/fpls.2023.1211758/full


Winter wheat is an important cereal consumed worldwide. However, current management practices involving chemical fertilizers, irrigation, and intensive tillage may have negative impacts on the environment. Conservation agriculture is often presented as a sustainable alternative to maintain wheat production, favoring the beneficial microbiome. Here, we evaluated the impact of different water regimes (rainfed and irrigated), fertilization levels (half and full fertilization), and tillage practices (occasional tillage and no-tillage) on wheat performance, microbial activity, and rhizosphere- and root-associated microbial communities of four winter wheat genotypes (Antequera, Allez-y, Apache, and Cellule) grown in a field experiment. Wheat performance (i.e., yield, plant nitrogen concentrations, and total nitrogen uptake) was mainly affected by irrigation, fertilization, and genotype, whereas microbial activity (i.e., protease and alkaline phosphatase activities) was affected by irrigation. Amplicon sequencing data revealed that habitat (rhizosphere vs. root) was the main factor shaping microbial communities and confirmed that the selection of endophytic microbial communities takes place thanks to specific plant–microbiome interactions. Among the experimental factors applied, the interaction of irrigation and tillage influenced rhizosphere- and root-associated microbiomes. The findings presented in this work make it possible to link agricultural practices to microbial communities, paving the way for better monitoring of these microorganisms in the context of agroecosystem sustainability.

EPrint Type:Journal paper
Keywords:tillage, wheat genotype, amplicon sequencing, soil microbiome, irrigation, fertilization, abacus, FiBL10103
Agrovoc keywords:
fertilisers -> fertilizers
conservation tillage
Subjects: Soil > Soil quality > Soil biology
Crop husbandry > Production systems > Cereals, pulses and oilseeds
Crop husbandry > Soil tillage
Research affiliation:Belgium
Austria > Austrian Institute of Technology (AIT)
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Crops > Arable crops > Cereals
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Soil > Nutrient management
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Soil > Tillage > Reduced Tillage
European Union > Horizon 2020 > SolACE
Italy > Univ. Napoli “Federico II”
DOI:doi: 10.3389/fpls.2023.1211758
Deposited By: Forschungsinstitut für biologischen Landbau, FiBL
ID Code:51776
Deposited On:09 Oct 2023 09:58
Last Modified:18 Oct 2023 13:17
Document Language:English
Refereed:Peer-reviewed and accepted

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