Search Results - "Langensiepen, Matthias"
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Expansion and evaluation of two coupled root–shoot models in simulating CO2 and H2O fluxes and growth of maize
Published in Vadose zone journal (01-05-2022)“…Leaf water pressure head (Ψleaf) and more specifically its critical thresholds (Ψthreshold) characterize stomatal control of transpiration, particularly for C4…”
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Improving the stem heat balance method for determining sap-flow in wheat
Published in Agricultural and forest meteorology (01-03-2014)“…•We tested a new micro-sensor produced by Dynamax for measuring sap flow in wheat.•The low resolution of the convective heat signal prevented its…”
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Analysis of spatio-temporal patterns of CO2 and H2O fluxes in relation to crop growth under field conditions
Published in Field crops research (01-05-2015)“…•Gas fluxes and growth can have distinctive spatio-temporal patterns at field level.•Growth patterns are directly related to soil heterogeneity via water…”
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Analyzing transient closed chamber effects on canopy gas exchange for optimizing flux calculation timing
Published in Agricultural and forest meteorology (15-10-2012)“…► The transient-chamber method was validated using time-trend analyses and sap-flow measurements in wheat. ► Canopy microclimate changed significantly during…”
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Quantifying the effects of soil variability on crop growth using apparent soil electrical conductivity measurements
Published in European journal of agronomy (01-03-2015)“…•ECa reflects the spatial patterns of soil texture and volumetric water content.•Spatial crop growth patterns vary during the main growth phase.•Dry weather…”
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Responses of winter wheat and maize to varying soil moisture: From leaf to canopy
Published in Agricultural and forest meteorology (01-03-2022)“…•Various crop responses relates to duration, intensity of water stress and growth stage.•Winter wheat shows anisohydric stomatal regulation.•Maize maintains a…”
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Model-based evaluation of rainfed lowland rice responses to N fertiliser in variable hydro-edaphic wetlands of East Africa
Published in Field crops research (01-09-2022)“…In East Africa, rainfed lowland rice is primarily produced by smallholders in alluvial floodplain and inland valley wetlands. These wetlands differ in their…”
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Remote sensing assessment of available green water to increase crop production in seasonal floodplain wetlands of sub-Saharan Africa
Published in Agricultural water management (01-07-2022)“…Producing more food for a growing population requires sustainable crop intensification and diversification, particularly in high-potential areas such as the…”
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Root growth, water uptake, and sap flow of winter wheat in response to different soil water conditions
Published in Hydrology and earth system sciences (23-04-2018)“…How much water can be taken up by roots and how this depends on the root and water distributions in the root zone are important questions that need to be…”
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Assessing the effects of management and hydro-edaphic conditions on rice in contrasting East African wetlands using experimental and modelling approaches
Published in Agricultural water management (01-12-2021)“…Lowland rice yields in East Africa remain low despite favourable hydro-edaphic conditions as benefits from improved cultural management vary between and within…”
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Expansion and evaluation of two coupled root–shoot models in simulating CO 2 and H 2 O fluxes and growth of maize
Published in Vadose zone journal (01-05-2022)“…Abstract Leaf water pressure head (Ψ leaf ) and more specifically its critical thresholds (Ψ threshold ) characterize stomatal control of transpiration,…”
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12
Comparison of root water uptake models in simulating CO.sub.2 and H.sub.2O fluxes and growth of wheat
Published in Hydrology and earth system sciences (23-10-2020)“…Stomatal regulation and whole plant hydraulic signaling affect water fluxes and stress in plants. Land surface models and crop models use a coupled…”
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13
Comparison of root water uptake models in simulating CO2 and H2O fluxes and growth of wheat
Published in Hydrology and earth system sciences (23-10-2020)“…Stomatal regulation and whole plant hydraulic signaling affect water fluxes and stress in plants. Land surface models and crop models use a coupled…”
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14
Evaluating the Influence of Plant-Specific Physiological Parameterizations on the Partitioning of Land Surface Energy Fluxes
Published in Journal of hydrometeorology (01-04-2015)“…Plant physiological properties have a significant influence on the partitioning of radiative forcing, the spatial and temporal variability of soil water and…”
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Reconciling East-African Wetland Conservation with Human Needs: Managing Uncertainties in Environmental Policy Design
Published in Wetlands (Wilmington, N.C.) (01-04-2023)“…Rapidly developing societies in East-Africa impose increasing pressures on wetlands due to rising food demand and degradation of upland soils. Reconciling…”
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Linking integrative plant physiology with agronomy to sustain future plant production
Published in Environmental and experimental botany (01-10-2020)“…•Transformative breakthroughs are required to prevent a world food crisis.•Integrative plant physiology and agronomy must be linked for this purpose.•Several…”
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CloudRoots: integration of advanced instrumental techniques and process modelling of sub-hourly and sub-kilometre land–atmosphere interactions
Published in Biogeosciences (31-08-2020)“…The CloudRoots field experiment was designed to obtain a comprehensive observational dataset that includes soil, plant, and atmospheric variables to…”
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Comparison of root water uptake models in simulating CO 2 and H 2 O fluxes and growth of wheat
Published in Hydrology and earth system sciences (23-10-2020)“…Stomatal regulation and whole plant hydraulic signaling affect water fluxes and stress in plants. Land surface models and crop models use a coupled…”
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MONITORING AND MODELING THE TERRESTRIAL SYSTEM FROM PORES TO CATCHMENTS: The Transregional Collaborative Research Center on Patterns in the Soil–Vegetation–Atmosphere System
Published in Bulletin of the American Meteorological Society (01-10-2015)“…Most activities of humankind take place in the transition zone between four compartments of the terrestrial system: the unconfined aquifer, including the…”
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Classification, Characterisation, and Use of Small Wetlands in East Africa
Published in Wetlands (Wilmington, N.C.) (01-12-2011)“…Small wetlands in Kenya and Tanzania cover about 12 million ha and are increasingly converted for agricultural production. There is a need to provide…”
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