Abiotic resources - Water management

Schappert, A., Schaffert, A., Germer, J., Asch, F. 2017
"Run-Off, Soil Moisture, and Weed Management Strategies to Increase Water Productivity in Rain-Fed Crops in Tanzania"
Tropentag 2017, September 20-22, University of Bonn, Germany

Huebner, S., Glatzle, S., Giese, M., Almeida, R.G., Asch, F. 2017.
"Field water dynamics in integrated systems in the Brazilian Cerrado region"
Tropentag 2017, September 20-22, University of Bonn, Germany

Lloyd, J., Landers, I., Asch, F. 2017
"Evaluation of ridging on the rainwater use efficiency of soybean production in northern Ghana"
Tropentag 2017, September 20-22, University of Bonn, Germany

Rajaona, A., Schappert, A., Stuerz, S., Cao, K., Asch, F. 2014
"Comparison of leaf area index measurements in rubber plantations and secondary forest in Xishuangbanna, China.
"Bridging the gap between increasing knowledge and decreasing resources" - Tropentag 2014, September 17-19, Prague, Czech Republic

Duong Van Nha, Asch, F. 2012
"Effects of Geohumus on Physiological Traits of Maize (Zea mays L cv Mikado) under Variable Water Supply"
Resilience of Agricultural Systems against Crises - Tropentag 2012 - 19-21 September 2012, Göttingen, Germany

Pereyra, G.,  Asch, F., Pieters, A., Rengifo, E. 2012
"Potential yield of Venezuelan maize varieties under variable water supply"
Resilience of Agricultural Systems against Crises - Tropentag 2012 - 19-21 September 2012, Göttingen, Germany

Rajaona, A., Sutterer, N., Asch, F. 2012
"Potential of Waste Water Use for Jatropha Cultivation in Arid Environments"
Resilience of Agricultural Systems against Crises - Tropentag 2012 - 19-21 September 2012, Göttingen, Germany

Stürz, S., Asch, F., Sow, A., Muller, B., Manneh, B. 2010
"Intra-annual genotypic patterns of growth and water use of irrigated rice in the Sahel".
Tropentag 2010, Zürich 14-16 Sep., ETH, Zürich, Switzerland
Poster award - Third Prize.

Gorim, L., Asch, F. 2010
"Effects of Hydrophilic Coating on the Mobilisation of Endosperm Reserves in Seedlings of Spring Barley (Hordeum vulgare L. Maltasia)"
Tropentag 2010, Zürich 14-16 Sep., ETH, Zürich, Switzerland
Poster award - nominated.

Hartmann, J., Stürz, S., Manneh, B., Sow, A., Asch, F. 2010.
"Response of transpiration of lowland rice varieties to water-saving irrigation".
Tropentag 2010, Zürich 14-16 Sep., ETH, Zürich, Switzerland

Rajaona, A., Asch, F., Brueck, H. 2010
"Leaf age effects on intrinsic water-use efficiency of Jatropha curcas".
Agro 2010 - the XIth ESA Congress, Montpellier. Proceedings

Stürz, S., Sow, A., Schlegel, I., Manneh, B., Asch, F. 2009.
"Annual variation of water use and yield of irrigated rice in the Sahel". 
Tropentag 2009, October 6-8, University of Hamburg, Hamburg. Poster award - First Prize. Proceedings

Shresta, S., Asch, F., Brueck, H., Duserre, J., Ramanantsoanirina, A. 2009. 
"Upland rice adaptation to variable water availability along an altitude gradient in Madagascar". 
Tropentag 2009, October 6-8, University of Hamburg, Hamburg.
Proceedings

Gorim, L., Asch, F., Trimborn, M. 2009.
"Seed coating with hydro-absorbent properties as possible mitigation strategy for unreliable rainfall patterns in early-sown Sorghum". 
Tropentag 2009, October 6-8, University of Hamburg, Hamburg.
Proceedings

Gorim, L., Trimborn, M., Asch, F. 2009.
"Remobilisation efficiency of coated cereal seeds during germination depends on coat composition and size". 
Plants for the Future - Botanikertagung 2009: Leipzig 6-10.9.2009. Book of Abstracts: 15.

Stürz, S., Schlegel, I., Sow, A., Asch, F. 2008.
"Physiological Responses of Lowland Rice Cultivars to the Saturated Soil Culture System". 
Tropentag 2008, October 7-9, University of Hohenheim, Stuttgart. Poster award - First Prize.

Vo, T.B.T., Asch, F., Wassmann, R., Sander, B.O. 2021.
"Zonal and Seasonal Methane Emissions from Rice Production in the Vietnamese Mekong Delta"
Tropentag 2020: Food and nutrition security and its resilience to global crises, Tielkes, E. (ed.) - Witzenhausen, DITSL

Detering, T., Vo, T.B.T., Wassmann, R., Sander, B.O., Asch, F. 2020.
"Methane emissions of different Rice Varieties: Diurnal emission patterns of three development stages".
Tropentag 2020: Food and nutrition security and its resilience to global crises, Tielkes, E. (ed.) - Witzenhausen, DITSL

Thellmann, K., Cotter, M., Cadisch, G., Asch, F., 2018.
"Identifying Tipping Points in the Supply of Ecosystem Services in a Mountainous Watershed in South-East Asia using Spatially Explicit Modelling".
FOOD 2030 Congress: Towards sustainable agri-food systems, 5.-6. September 2018, Stuttgart, Germany.

Thellmann, K., Cotter, M., Cadisch, G., Asch, F., 2018.
"Modeling the impact of land-use change on ecosystem services and biodiversity in a mountainous watershed."
Symposium: Umweltrisiken in der Wasserforschung - Inter- und transdisziplinäre Bewertungen und Perspektiven, Karlsruhe, Germany.

Giese, M., Brueck, H., Dingkuhn, M., Kiepe, P., Asch, F. 2009. 
"Developing rice and sorghum crop adaptation strategies for climate change in vulnerable environments in Africa  RISOCAS". 
Tropentag 2009, October 6-8, University of Hamburg, Germany.

Schmierer, M., Knopf, O., Asch, F. 2018. 
"Analysis of yield components and photosynthetic limitations of a dwarf rice varietey in response to shade". 
Tropentag 2018, September 17-19, University of Ghent, Belgium.

Schmierer, M., Bruguera, E., Asch, F. 2015. 
"Response of rice to changes in the green and far-red light ratio". 
"Management of land use systems for enhanced food security - conflicts, controversies, and resolutions." - Tropentag 2015, September 16-18, Berlin, Germany.

Schmierer, M., Brueck, H., Asch, F. 2012. 
"Skyfarming – Staple Food Production in Cities - Light vs Energy Demand". 
Resilience of Agricultural Systems against Crises - Tropentag 2012 - 19-21 September 2012, Göttingen, Germany.

Warth, B., Mahron, C., Asch, F. 2019.
"Assessing Impacts of Crop Expansion and Overstocking in Kenyan Savannah Rangelands Using the LUCIA Model."
In: Tropentag 2019: Filling gaps and removing traps for sustainable resources manage-ment, Tielkes, E. (ed.) Aufl. - Göttingen: Cuvillier, 2019

Kurtz, D., Giese, M., Asch, F., Dickhoefer, U., 2018.
"High impact grazing enhances grass forage quality in northern Argentina".
Tropentag 2018, September 17-19, University of Ghent, Belgium.

Glatzle, S., Giese, M., Almeida, R. G., Bungestab, D. J., Asch, F. 2017
"Soil Moisture and Microclimate in Integrated Crop-Livestock-Forestry Systems of Central West Brazil"
Tropentag 2017, September 20-22, University of Bonn, Germany

Glatzle, S., Giese, M., Asch, F. 2015
"Screening for water saving traits of common fodder grasses used in integrated crop-livestock-forestry systems of central west Brazil"
Tropentag 2015, September 16-18, Berlin, Germany

Windisch, S., Kurtz, D., Asch, F. 2015
"Does high impact grazing change plant species composition or diversity of northern Argentinean grasslands?"
Tropentag 2015, September 16-18, Berlin, Germany

Kurtz, D., Goldfarb, M., Quiros, O., Nunez, F., Asch, F. 2014
"Does high impact grazing and trampling affect grasslands floristic composition?".
"Bridging the gap between increasing knowledge and decreasing resources" - Tropentag 2014, September 17-19, Prague, Czech Republic

Kurtz, D., Giese, M., Goldfarb, M., Verdoljack, J., Ybarra, D., Huelsebusch, C., Asch, F. 2013
"High impact grazing as management option for excess standing biomass in Argentinean grasslands".
"Agricultural development within the rural-urban continuum" - Tropentag 2013, September 17 - 19, Hohenheim, Germany

Pfister, J., Asch, F., Said, M., Giese, M. 2013.
"Estimation of Carbon Sequestration Potential under Different Vegetation Types in the Borana Rangelands, Ethiopia".
"Agricultural development within the rural-urban continuum" - Tropentag 2013, September 17 - 19, Hohenheim, Germany

Seckinger, C., Pfister, J., Giese, M., Asch, F. 2013.
"Leaf Area and Biomass Dynamics of a Thorn-Shrub Savannah Ecosystem in the Borana Zone, Ethiopia".
"Agricultural development within the rural-urban continuum" - Tropentag 2013, September 17 - 19, Hohenheim, Germany

Díaz Falú, E., Brizuela, M., Kurtz, D., Giese, M., Asch, F. 2012
"Cattle and Sheep Foraging Behaviour in a Heterogeneous Subtropical Grassland"
Resilience of Agricultural Systems against Crises - Tropentag 2012 - 19-21 September 2012, Göttingen, Germany

Giese, M., Gao, Y., Brueck, H., Asch, F. 2012.
"Management options for sustainable land-use of Inner Mongolia typical steppe – lessons from a comprehensive N balance"
Resilience of Agricultural Systems against Crises - Tropentag 2012 - 19-21 September 2012, Göttingen, Germany

Rathjen, L., Pfister J., Asch. F, 2012. 
"Effects of management practices on carbon allocation in the semi-arid Savannahs of the Borana Region, Ethiopia"
Resilience of Agricultural Systems against Crises - Tropentag 2012, September 19-21, 2012 Göttingen, Germany

Mondal, S., Rahman, E. H. M. S., Asch, F., 2022.
"Water uptake does not drive sodium and chlorine uptake in sweetpotato genotypes exposed to salt stress"
Tropentag 2022: Can Agroecological Farming Feed the World, Tielkes, E. (ed.) - Prague, Czech Republic

Mengen, A. T., Johnson, K., Asch, F., 2021.
"Effects of halo- and hydro priming on early rice seedling vigor under salinity"
Tropentag 2021: Food and nutrition security and its resilience to global crises, Tielkes, E. (ed.) - Hohenheim, Germany

Mondal, S.,  Rahman, E. H. M. S., Asch, F., 2021.
"Physiological responses and ion accumulation of twelve sweetpotato clones subjected to salinity"
Tropentag 2021: Food and nutrition security and its resilience to global crises, Tielkes, E. (ed.) - Hohenheim, Germany

Mondal, S., Burgert, S., Hartmann, J., Rahman, E. H. M. S., Asch, F., 2020.
"Salinity effects on the activities of ROS scavenging enzymes in leaves of two Sweet potato clones"
Tropentag 2020: Food and nutrition security and its resilience to global crises, Tielkes, E. (ed.) - Witzenhausen, DITSL

Nguyen, V.H., Asch, F., Germer, J., Duong, V.N., 2020.
"Applying geo-electric methods to investigate soil salinity in rice production systems in the Vietnam Mekong Delta".
Tropentag 2020: Food and nutrition security and its resilience to global crises, Tielkes, E. (ed.) - Witzenhausen, DITSL

Wei, H., Giese, M., Gao, Y., Ning, Q., Asch, F., 2013.
"Salinity Down-Regulates Transpiration Rate of Medicago sativa to Increasing Vapour Pressure Deficit".
"Agricultural development within the rural-urban continuum" - Tropentag 2013, September 17 - 19, Hohenheim, Germany

Weidner, A., Badridze, G., Asch, F., Börner, A., 2009.
"Screening for Variability in Salt tolerance within a Georgian Wheat Germplasm Collection"
Tropentag 2009, October 6-8, University of Hamburg, Hamburg.
Proceedings

Weidner, A., Asch, F., Buck-Sorlin, GH., Börner, A., 2007. 
"QTLs for salt resistance vary with development stage in field-grown Barley".  Tropentag 2007, October 9-11, University of Kassel-Witzenhausen, Witzenhausen.

Weidner, A., Asch F., Buck-Sorlin, G., Dadshani, S., Börner, A., 2006.
"Improving Salt Tolerance: A worldwide challenge for plant nutrition and breeding"
Annual Meeting of the German Society for Plant Nutrition: "Plant Nutrition meets Plant Breeding", 26.-28.10.2006, Hohenheim

Wimmer, M., Asch, F., 2005.
"Relationships between transpiration, ion uptake and distribution in salt-stressed irrigated rice"
XV. International Plant Nutrition Colloquium, 14.-19. Sept. 2005, Beijing.

Dadshani, S. A. W., Weidner, A., Buck-Sorlin G. H., Börner, A. , Asch, F., 2004.
"QTL Analysis for Salt Tolerance in Barley" 
Deutscher Tropentag 2004, October 5 - 7, Humboldt University, Berlin

Dahal, K. P, Das, U. S., Asch, F., 2003. 
"Salinity in irrigated rice. I. Effects of salinity on tiller and leaf number, leaf appearance rate, and leaf duration."
Deutscher Tropentag 2003, October 8-10, University of Göttingen.

Das, U.S., Dahal, K. P., Asch, F., 2003. 
"Salinity in irrigated rice. II. Concept models to simulate salinity effects on leaf appearance, duration and transpiration." 
Deutscher Tropentag 2003, October 8-10, University of Göttingen.

Asch, F., Dahal, K. P., Das, U. S., 2003. 
"Salinity in irrigated rice. III. Is the transpiration history of leaves indicative for the salt load of individual leaves?"
Deutscher Tropentag 2003, October 8-10, University of Göttingen.

Asch, F., Wopereis, M. S. C., 2000. 
"Yield responses of irrigated rice to salinity depend on development stage and stress level." 
3rd International Crop Science Congress, August 17th-22nd, 2000. Hamburg, Germany

Asch, F., Dingkuhn, M.,  Dörffling, K., 1997. 
"Effects of Transpiration on Sodium and Potassium Distribution in Salt-Stressed Irrigated Rice."
Annual Meeting Society of Experimental Biology

 Abiotic stresses - Multiple stresses -

Abera, B. B., Cotter, M., Senthilkumar, S., Rajaona, A., Asch, F. 2018. 
"Transplanting instead of direct seeding as an option to mitigate abiotic stress conditions in rainfed lowland rice in high altitude rice systems of Ehtiopia". 
Tropentag 2018, September 17-19, Ghent, Belgium.

Vu, D. H., Stuerz, S., Asch, F. 2015. 
"Growth response of rice to different vapor pressure deficit and diurnal temperature patterns". 
"Management of land use systems for enhanced food security - conflicts, controversies, and resolutions." - Tropentag 2015, September 16-18, Berlin, Germany.

Shrestha, S., Asch, F. Brück, H., Ramanantsoanirina, A., Dusserre, J., 2010.
"Environmental Effects on Yield of Upland Rice Grown Along an Altitude Gradient in Madagascar"
The 28th International Rice Research Conference, Climate Change and Rice Agriculture; November 8 - 12, 2010; Hanoi, Vietnam

Maślak, J., Janowiak, F., Asch, F., 2010.
"Root to shoot signalling in maize under partial root chilling and different air humidity".
Annual Main Meeting of SEB in Prague, 30.06 - 3.07 2010. Programme and Abstract Book 310-311

Asch, F., Janowiak, F., Weinand, T., 2007.
"Comparison of early, root-borne signals in maize subjected to chilling or drought".
Botanikertagung, 3.-7.9. 2007. Book of Abstracts. Pp 61-62.

 Abiotic stresses - Drought -

Parente , I., Dambo, G., Pieters, A., Pinto, F., Asch, F. 2022.
"Genotype x environment effects on leaf properties and pigment composition in wheat under water deficit.".
Tropentag 2022, September 14-16, Czech University of Life Sciences, Prague, Czech Republic

Hoelle, J., Zumaran, J., Farafan, E., Bonierbale, M., Asch, F. 2017.
"Drought effects on the synchrony of above ground and below ground phenology of five potato clones".
Tropentag 2017, September 20-22, University of Bonn, Germany

Kuppinger, L., Auber, J., Farfan, E., Khan, M.A., Bonierbale, M., Asch, F. 2014
"Effects of drought stress on crop development, growth and chlorophyll fluorescence in five potato clones".
"Bridging the gap between increasing knowledge and decreasing resources" - Tropentag 2014, September 17-19, Prague, Czech Republic
Poster award - First prize.

Auber, J., Khan, M.A., Farfan, E., Bonierbale, M., Asch, F. 2014
"Does combining canopy reflectance and canopy temperature allow identifying drought resistance strategies in potato?".
"Bridging the gap between increasing knowledge and decreasing resources" - Tropentag 2014, September 17-19, Prague, Czech Republic

Auber, J.,Bonierbale, M., Asch, F. 2013
"Screening Potato for Drought Tolerance by Linking Physiological to Morphological Traits".
"Agricultural development within the rural-urban continuum" - Tropentag 2013, September 17 - 19, Hohenheim, Germany

Gorim, L., Asch, F. 2010
"Coating seeds with hydro-absorbers as possible mitigation strategy for unreliable rainfall patterns in early-sown Sorghum". 
Agro 2010 - the XIth ESA Congress, Montpellier. Proceedings

Rajaona, A., Brueck, H., Asch, F., 2009.
"Description of the spatial arrangement of Jatropha curcas L. root system. A case study from Madagascar"
Tropentag 2009, October 6-8, University of Hamburg, Hamburg.

Abdulai, A. L.,  Asch, F., van de Giesen, N., 2004.
"Physiological and Morphological Responses of Sorghum bicolor to Static and Dynamic Drought Conditions"
Deutscher Tropentag 2004, October 5-7, Humboldt University Berlin

Asch, F., Bahrun, A., Jensen, C. R., 2003. 
"Soil moisture availability and relative air humidity influence root signals of field-grown maize subjected to drought stress"
Festkolloquium -  Justus-Liebig-Universität Giessen, 12-13. Juni 2003.

Andersen, M.N., Hashi, M.A., Asch, F., Jensen, C.R., Wu, Y. & Koch, K.E. 2003.
"Drought impairs sugar utilization in young abortion - sensitive maize ovaries"
International Conference on Water Saving Agriculture and Sustainable Use of Water and Land Resources, Yangling-Shaanxi P.R. China, October 26-29, 2003

Andreassen, A., Asch F., Jensen, C. R., 2001. 
"Stress responses and abscisic acid root signals in relation to drought stress intensity in three upland rice cultivars."
Deutscher Tropentag 2001 –  October 9-11, 2001, University of Bonn

Bahrun, A., Jensen C. R., Asch. F., Mogensen, V.O.M., 2001.
"Changes in xylem pH, ionic composition, and [ABA] of the xylem sap act as early signals in field-grown maize in response to soil drying" 
SEB Annual Meeting, Caterbury, UK, April 2-6, 2001

Andersen, M.N.,  Asch, F., Jensen, C.R., Naested, H., 2000.
"Drought regulates invertase expression and carbohydrate levels in maize ovaries"
6th International Congress of Plant Molecular Biology, Quebec, Canada, June 18-24, 2000

Bahrun, A., Jensen C. R., Asch. F., Mogensen, V.O.M., 2000.
"Is morning xylem ABA of field grown maize sufficient to cause stomata closure?"
3rd International Crop Science Congress, August 17th-22nd, 2000. Hamburg, Germany

 Abiotic stresses - Iron toxicity -

Weinand, T., Asch, J., Asch, F. 2022. "Effect of Bacillus spp. on enzyme activity and potassium uptake in lowland rice (Oryza sativa) under iron toxicity.". Tropentag conference 2022, September 14-16, Czech University of Life Sciences Prague, Czech Republic.

Weinand, T., Schierling, T., Asch, J., Kaufmann, B., El-Hasan, A., Voegele, R. T., Asch, F. 2021. "Bacillus-mediated cross-protection against iron toxicity and brown spot desease (Bipolaris oryzae) in lowland rice.". Tropentag conference 2021, September 15-17, University of Hohenheim, Germany.

Weinand, T., Zeeshan, I.G., Hartmann, J., Asch, F. 2020. "Bacillus-mediated changes in iron partitioning and sequestration in lowland rice under iron toxic conditions". Tropentag conference 2020, September 9-11, Virtual Conference, Germany.

Engel, K., Becker, M., Asch, F. 2009. "Efficiency of Adaptation Mechanisms of Rice to Diverse Conditions of Iron Toxicity". Tropentag 2009, October 6-8, University of Hamburg, Germany.

Terre, S.,  Asch, F., Becker, M. 2009. 
"Influence of Bacillus spp. on iron plaque formation at the root surface of lowland rice". Tropentag 2009, October 6-8, University of Hamburg, Hamburg.

Engel, K., Becker, M., Asch, F. 2008
"Adaptation mechanisms in rice cultivars of different origin to iron toxic conditions". Tropentag 2008, October 7-9, University of Hohenheim, Stuttgart

Stürz, S., Asch, F., Becker, M. 2007. 
"Field validation of a quick screening method for iron toxicity in lowland rice". Tropentag 2007, October 9-11, University of Kassel-Witzenhausen, Witzenhausen.

Terre, S.,  Asch, F., Padgham, J., Becker, M. 2007. 
"Influence of root zone bacteria on root iron sequestration in rice subjected to iron toxicity". Tropentag 2007, October 9-11, University of Kassel-Witzenhausen, Witzenhausen.

Asch, F., Aung, T., Becker, M. 2007. 
"Root iron plaque formation as resistance mechanism to iron toxicity in lowland rice". Tropentag 2007, October 9-11,University of Kassel-Witzenhausen, Witzenhausen.

Ripken, C., Asch, F., Becker, M., Wimmer, M. 2005.
"A low cost miniature method to determine iron content in samples suitable for small research laboratories". 
Deutscher Tropentag 2005, October 11-13, University of Hohenheim, Stuttgart.

Asch, F., Padgham, J. 2005.
"Root associated bacteria suppress symptoms of iron toxicity in lowland rice"
Deutscher Tropentag 2005, October 11-13, University of Hohenheim, Stuttgart.

 Abiotic stresses - Temperature -

Luyckx, E., Razafindrazaka, A. L., Rajaona, A., Asch, F. 2018. 
"Assessing seed germination and seedling vigor in rice under different thermal regimes"
Tropentag 2018, September 17-19, University of Ghent, Belgium.
Poster award - First prize.

Johnson, K., Stuerz, S., Schmierer, M., Asch F., 2018.
"Effects of day and night temperatures on rice photosynthesis".
Tropentag 2018, September 17-19, University of Ghent, Belgium.

Abera, B.B., Cotter, M., Senthilkumar, K., Asch, F. 2017
"Variation in Phenological Development and Yield Performance of Rice Genotypes under Cold Stress in the Fogera Plain, Ethiopia"
Tropentag 2017, September 20-22, University of Bonn, Germany

Razafindrazaka, A.L., Cotter, M., Rajaona, A., Asch, F. 2017
"Spikelet sterility of lowland rice related to temperature at booting stage in different thermal environments in Madagascar"
Tropentag 2017, September 20-22, University of Bonn, Germany

Vu, D.H., Stuerz, S., Asch F. 2015
"Growth response of rice to different vapor pressure deficits and diurnal temperature patterns"
Tropentag 2015, September 16-18, Berlin, Germany

Stürz, S., Asch, F., Sow, A., Muller, B., Manneh, B.,  Dingkuhn, M., 2010. 
"Phenological responses of irrigated rice in the Sahel"
Africa Rice Congress 2010, Innovations and Partnerships to realize Africa's Rice Potential, 22-26 March 2010, Bamako, Mali
Poster award - First prize.

Janowiak F., Maślak J., Asch F., 2009.
"Hormonal, hydraulic, and pH signals from chilled roots to shoots in maize plants". Acta Biologica Cracoviensia 51 (Suppl. 2): 55.

Ramanantsoanirina, A., Duserre, J., Shresta, S., Asch, F., 2009. "Temperature effects on the phenology of upland rice grown along an altitude gradient in Madagascar". 
Tropentag 2009, October 6-8,University of Hamburg, Hamburg.

Shresta, S., Asch, F., Becker, M. 2007.
"Phenological responses of rice genotypes to varying thermal environments in Nepal".
Tropentag 2007, October 9-11,University of Kassel-Witzenhausen, Witzenhausen.

Khanal, R. R., Shresta, S.,  Asch, F.,  Becker, M. 2005.
"Phyllochron of lowland rice does not depend on temperature alone"
Deutscher Tropentag 2005, October 11-13, University of Hohenheim, Stuttgart.

Khanal, R. R.,  Asch, F.,  Becker, M. 2004.
"Phenological responses of rice cultivars under varying thermal environments in high altitude cropping system "
Deutscher Tropentag 2004, October 5-7, Humboldt University Berlin

 Nutrient management -

Vu, D. H., Stuerz, S., Asch, F. 2021.
"Nitrogen source affecting the competitiveness between lowland rice and weeds under low and high vapor pressure deficit".
Tropentag 2021, September 15-17, University of Hohenheim, Germany.

Knopf, O., Stuerz, S., Schmierer, M., Asch, F. 2019.
"Effects of P-nutrition and VPD on rice leaf morphology and photosynthesis".
Tropentag 2019, September 18-20, University of Kassel, Germany
Poster award - First prize.

Boshuwenda, A. C., Senthilkumar, K., Rajaona, A., Kalisa, A., Cotter, M., Asch, F., 2018.
"Effect of fertilizer rates and splits on lowland rice in two temperature environments in Rwanda - with a special focus on the effectivity of basal applications" 
Tropentag 2018, September 17-19, University of Ghent, Belgium.

Vincent, I., Boshuwenda, A. C., Senthilkumar, K., Rajaona, A., Asch, F., 2018.
"Linking leaf color charts and crop N-status to guide fertilizer application in highland rice production systems of Rwanda" 
Tropentag 2018, September 17-19, University of Ghent, Belgium.

Boshuwenda, A. C., Gasore, E., Senthilkumar, K., Rajaona, A., Cotter, M., Asch, F., 2017.
"Adaptation of Fertiliser Application Strategies to Low Temperatures at High Altitudes Sites in Lowland Rice"
Tropentag 2017, September 20-22, University of Bonn, Germany

Gorim, L., Asch, F., Hattig, T., Bestajovsky, J., 2011.
"The effects of coatings and/or rhizobia on the growth of Alfalfa (Medicago sativa Verko.)" 
Tropentag 2011, October 4-6, University of Bonn, Bonn, Germany

Karwat, H., Asch, F., Heuer, S., Haefele S.M., 2010.
"Characterizing effects and potential mechanisms of the mahor QTL 'Pup1' in rice (Oryza sativa L.)"
Tropentag 2010, September 14-16, ETH, Zürich, Switzerland

Shrestha, S., Brück, H., Asch, F., 2010.
"Diagnosis of Rice Leaf N Status by Photochemical Reflectance Index (PRI) and Chlorophyll Index (SPAD)".
Tropentag 2010, September 14-16, ETH, Zürich, Switzerland

Adams Saleh, E., Asch, F.,  Becker, M., 2004.
"Evaluation of Residue Management in Irrigated Rice-based Systems of the Mekong Delta"
Deutscher Tropentag 2004, October 5-7, Humboldt University Berlin

Ouko, M., Asch, F., Becker, M., 2003. 
"Nitrate reductase activity in rice as related to weed competitiveness" 
Deutscher Tropentag 2003, October 8-10, University of Göttingen