Posters

Posters prepared by the crop science group.

2019

Assimilation of Leaf Area Index Measurements Into a Crop Model

A.Tewes, H. Hoffmann, F. Schäfer, C. Kerkhoff, G. Krauss, T. Gaiser (2019):Assimilation of Leaf Area Index Measurements Into a Crop Model: Performance Comparison of Two Assimilation Approaches

European Conference on Precision Agriculture, Montpellier, July 2019

2018

Impact of Alternative Management Practice on Fertilizer Recovery by Cotton in Different Soil Types of West-Africa

Nafi, Eeusha; Danso, Isaac; Naab, Jesse; Frei, Michael; Gaiser, Thomas: Impact of Alternative Management Practice on Fertilizer Recovery by Cotton in Different Soil Types of West-Africa

Poster presented at Tropentag Bonn, September 2018

Effects of Tillage and Crop Residue Management on Soil Organic Carbon Stock Under Four Different Soil Types in Sudan-Savanna of West Africa

Nafi, Eeusha; Danso, Isaac; Naab, Jesse; Frei, Michael; Gaiser, Thomas: Effects of Tillage and Crop Residue Management on Soil Organic Carbon Stock Under Four Different Soil Types in Sudan-Savanna of West Africa

Poster presented at 21st World Congress of Soil Science, 2018

2017

Estimation of Fertilizer Use Efficiency in Current Maize Production System in Ethiopia

Amit Srivastava; C.M. Mboh;Thomas Gaiser; Frank Ewert: Estimation of Fertilizer Use Efficiency in Current Maize Production System in Ethiopia

Poster presented at Tropentag Bonn, September 2017

Model based Estimation of Resource Use Efficiency in Current Maize Production Systems in Ethiopia, Ghana and Nigeria

Amit Srivastava;Thomas Gaiser; Frank Ewert: Model based Estimation of Resource Use Efficiency in Current Maize Production Systems in Ethiopia, Ghana and Nigeria

GlobeE, Berlin, October 2017

Remote estimation of green LAI in maize using UAV-based low-cost imagery

Tewes, A, Schellberg, J: Remote estimation of green LAI in maize using UAV-based low-cost imagery

Gesellschaft für Pflanzenbauwissenschaften 2017

Impact of the experimental setup on wheat response to heat stress

E.E. Rezaei, S. Siebert, R. Manderscheid, J. Müller, A. Mahrookashani, B. Ehrenpfordt, J. Haensch, H.J. Weigel and F. Ewert: Impact of the experimental setup on wheat response to heat stress

Gesellschaft für Pflanzenbauwissenschaften 2017

2016

Climate impact analysis and adaptation strategies to climate change on peanut in Senegal.

Faye, B., H. Webber, T. Gaiser, 2016. Climate impact analysis and adaptation strategies to climate change on peanut in Senegal.

Poster presented at the Tropentag conference, September 18 - 21, Vienna, Austria.

Coupling of a 3D root system architecture model to a 1D-crop growth model for improved simulation of vertical root distribution and soil water dynamics.

Mboh, C. M., T. Gaiser, F. Ewert, 2016.

Poster presented at the Austin International Conference on Soil Modeling, March 29 - April 01, Austin, Texas, USA.

Assessing the yield gap and resource use efficiency of maize - A case study in Ethiopia.

Srivastava, A. K., T. Gaiser, F. Ewert, 2016.

Poster presented at the 6. AgMIP Global Workshop, June 28 - 30, Montpellier, France.

Climate change impact under climate scenarios on maize yield in Ghana.

Srivastava, A. K., C. M. Mboh; G. Zhao; T. Gaiser; F. Ewert, 2016.

Poster presented at the iCROPM workshop, March 15 - 17, Berlin, Germany.

2015

Effect of data aggregation on crop yield simulated at large scale.

Eyshi Rezaei, E., S. Siebert, F. Ewert, 2015.

Poster presented at the 58th annual meeting of the German Society for Agronomy, September 22-24, Braunschweig, Germany.

Yield gap analysis of maize in Central Ghana.

Srivastava, A. K., W. A. Agyare, C. M. Mboh, T. Gaiser, F. Ewert 2015.

Poster presented at the PLANT 2030 seminar, March 04-06, Potsdam, Germany.

Yield and biomass gap analysis of maize in Ethiopia - A case study of Oromia region.

Srivastava, A. K., C. M. Mboh, T. Gaiser, F. Ewert 2015.

Poster presented at the Tropentag conference, September 16-18, Berlin, Germany.

Incremental adaptation in crop management for integrated assessments of climate change impacts in Europe.

Webber, H., W. Britz, G. Zhao, W. de Fries, J. Wolf, F. Ewert, 2015.

Poster presented at the Climate-Smart Agriculture conference, March 16-18, Montpellier, France.

2014

Remote sensing of vegetation cover dynamics over southern Africa using decadal medium spatial resolution MODIS time-series.

Dubovyk, O., T. Landmann, A. Tewes, J. Schellberg, 2014.

Poster presented at the 4th International Symposium on Recent Advances in Quantitative Remote Sensing (RAQRS), September 22-26, Valencia, Spain.

Effect of data aggregation on crop yields simulated at large scales.

Eyshi Rezaei, E., S. Siebert, F. Ewert, 2014.

Poster presented at the 13th conference of the European Society for Agronomy (ESA), Debrecen, 2014.

Die zeitliche Variabilität von Vegetationsindices und deren Nutzen zur fernerkundlichen Differenzierung von Graslandgesellschaften.

Hollberg, J. L., M. Vittek, J. Schellberg, 2014.

Poster presented at the annual meeting of the society for plant sciences, September 16-18, Vienna, Austria.

Contribution of Earth Observation (EO) to emerging environmental challenges in Africa.

Landmann, T. and O. Dubovyk, 2014.

Poster presented at the 10th international conference of the African association of remote sensing of the environment (AARSE), October 27-31, Johannesburg, South Africa.

Derivation of phenometrics from high resolution RapidEye time series in semi-arid grasslands in South Africa.

Parplies, A., O. Dubovyk, A. Tewes, R. Oomen, J. Schellberg, J. P. Mund, 2014.

Poster presented at the 10th international conference of the African association of remote sensing of the environment (AARSE), October 27-31, Johannesburg, South Africa.

An integrated pathway of production systems modelling analysis in Sub-Saharan Africa.

Srivastava, A. K., T. Gaiser, F. Ewert, 2014.

Poster presented at the Tropentag conference, September 17-19, Prague, Czech Republic.

Modeling crop growth heterogeneity patterns using soil electrical conductivity maps.

Stadler, A., S. Rudolph, M. Ali, M. Kupisch, C. Montzka, M. Langensiepen, F. Ewert, 2014.

Poster presented at the Global Vegetation Monitoring and Modeling International Conference, Avignon, 2014.

Quantifying and modeling spatio-temporal crop growth variability at field scale.

Stadler, A., S. Rudolph, M. Kupisch, M. Langensiepen, F. Ewert, 2014.

Poster presented at the 13th conference of the European Society for Agronomy (ESA), Debrecen, 2014.

Monitoring vegetation dynamics in semi-arid rangelands of South Africa by fusion of high temporal resolution MODIS data with high spatial resolution RapidEye data.

Tewes, A., F. Thonfeld, M. Schmidt, R.J. Oomen, X. Zhu, G. Menz, J. Schellberg, 2014.

Poster presented at the 34. annual meeting of the German Society for Photogrammetry, Remote Sensing and Geoinformation (DGPF), Hamburg, 2014 and at the 5. workshop of the EARSel Special Interest Group on Land Use and Land Cover, Berlin, 2014.

2013

From food insufficiency towards trade dependency: a historical analysis of global food availability

Porkka, M., M. Kummu, O. Varis, S. Siebert, 2013.

Poster presented at the Global Food Security Conference, Noordwijkerhout, 2013.

2012

Water wise - Are we getting enough crop per drop?

Brauman, K. A., S. Siebert, J.A. Foley, 2012.

Poster presented at the Planet under Pressure Conference, London, 2012.

The poster was awarded with the NASA poster price!

Modelling phosphorus acquisition from the sub-soil for different crops with specific consideration of bio-pores.

Gaiser, T., J. Vanderborght, M. Javaux, F. Ewert, 2012.

Poster, presented at the European Soil Science Conference, Bari, 2012.

IDB – www.indexdatabase.de, Entwicklung einer Datenbank für Fernerkundungsindizes.

Henrich, V., G. Krauss, C. Götze, C. Sandow, 2012.

Poster presented at the meeting of the AK Fernerkundung, Bochum, 2012.

Link to index database

Impact of fertilization on crop yield anomalies in the long-term experiment Dikopshof.

Hüging, H., S. Siebert, F. Ewert, 2012.

Poster presented at the 55th annual meeting of the German society for crop science, Berlin, 2012.

Lost food, wasted water: global food supply chain losses and their impacts on freshwater use.

Kummu, M., H. de Moel, M. Porkka, S. Siebert, O. Varis, P.J. Ward, 2012.

Poster presented at the Stockholm World Water Week, Stockholm, 2012.

Impact of heat stress, drought and wetness on crop yield anomalies in Germany.

Siebert, S. and F. Ewert, 2012.

Poster presented at the 55th annual meeting of the German society for crop science, Berlin, 2012.

Field heterogeneity as a crucial factor for improving crop growth simulations.

Stadler, A., M. Kupisch, M. Langensiepen, F. Ewert, 2012.

Poster presented at the Fall Meeting of the American Geophysical Union (AGU), San Francisco, 2012.

2011

Crop model calibration for improving simulations of regional impacts of climate change in Europe.

Angulo, C., R. Lock, A. Enders, R. Rötter, S. Fronzek, T.R. Carter, F. Ewert, 2011.

Poster presented at the annual meeting of the German societies for plant nutrition and crop science, Kiel, 2011.

Fernerkundungsbasierte Analyse raum-zeitlicher Vegetationsmuster Südafrikanischen Weidelands.

Brüser, K., J. Schellberg, F. Ewert, 2011.

Poster presented at the meeting of the AK Fernerkundung, 2011.

Erhöhter Wasserentzug aus dem Unterboden durch Sommerweizen nach einer Luzernevorfrucht.

Gaiser, T., U. Perkons, D.U. Puschmann, P. Küppers, J. Pfeifer, S. Peth, T. Kautz, F. Ewert, R. Horn, U. Köpke, 2011.

Poster presented at the bi-annual meeting of the German Society of Soil Science, Berlin, 2011.

Impact of reduced fallow availability on regional crop yields in low input cropping systems in West Africa.

Gaiser, T., M. Judex, A.M. Igue, C. Hiepe, 2011

Poster presented at the Tropentag conference, Bonn, 2011.

Resilience of South African Grasslands and Savannas to Degradation.

Oomen, R., A. Linstädter, J. Ruppert, K. Brüser, J. Schellberg, F. Ewert, 2011.

Poster presented at the Tropentag conference, Bonn, 2011.

Spatio-temporal patterns of phenological development in Germany in relation to temperature and day length.

Siebert, S. and F. Ewert, 2011.

Poster presented at the annual meeting of the German societies for plant nutrition and crop science, Kiel, 2011.

2010

Plant functional trait expression in the Rengen Grassland Experiment (RGE).

Schellberg, J., K. Brüne, M. Hejcman, 2010.

Poster presented at the European Grassland Federation Meeting, Kiel, 2010.