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Last update: RNDr. Jolana Tátosová, Ph.D. (04.09.2022)
Winter term 2021/2022: Lecturer: Daquan Sun Theme: Plant soil microbial interaction and their practical implications Dates and times: October and November 2021 Background Soil microbial ecology studies the biota that inhabit the soil, their functions, the processes they mediate, and the effects of their activities on soil texture and plant growth and health. Soil microbial communities play important roles in nutrient recycling, formation of symbiotic or pathogenic relationships with plants, control of C emissions, and soil aggregation. They are often studied by monitoring the dynamics of whole communities or some guilds of microorganisms in terms of abundance and diversity. Many efforts have been made to isolate and exploit plant growth-promoting microorganisms that have, among others. The following functions, but not limited to 1) the ability to utilize inorganic phosphorus species in biochar (most sewage sludge biochar contains a high concentration of phosphorus, but some bacteria can excrete enzymes to utilize Pi species); 2) antagonistic effects (a bacterial consortium requires that the different PGBB do not have strong antagonistic effects against each other); 3) excretion of biosurfactants (most biochar is hydrophobic, but biosurfactants can reduce water tension to bind organic nutrients); 4) successful PGBB should be compatible with biosurfactant producers. Understanding the interactions between plants, soils, and microorganisms and the mechanisms involved offers the possibility of modulating the processes of plant disease incidence, bioremediation, greenhouse gas emissions, and soil remediation. Objectives Following this presentation, participants will understand the phylogenetic structure of soil microbial communities responding to environmental variables, the major factors determining soil microbial distribution, the history of commercial use of plant growth-promoting microorganisms in practice, modern methods for studying the soil microbiome, and most importantly, the practical implications for issues of greenhouse gas emissions, soil plant disease suppression, bioremediation of organic pollutants and heavy metals, and soil remediation. |
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Last update: RNDr. Jolana Tátosová, Ph.D. (04.09.2022)
1. Quiz: Identify the most important characteristics of pyrogenic carbon as a microbial carrier and a soil amendment. 2. Quiz: Select the main factors that determine the success of using microbial inoculants in both pots experiment and the field trial. 3. Summary the current and promising ways for C sequestration in soils (agro- or forestry systems) (maximum 1 page of text) 4. An excursion about how pyrogenic carbon and functional biotic and abiotic solutions use in organic farming.
Send answers by e-mail and there will be a short discussion.
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Last update: RNDr. Jolana Tátosová, Ph.D. (04.09.2022)
Overview of the course 2. Modulation of soil microbial communities for plant and soil health 3. Implications for practise |