Liste der Publikationen von Prof. Dr. Florian Wichern

In peer-review Fachzeitschriften

(40) J. Smanalieva, J. Iskakova, Z. Oskonbaeva, F. Wichern, D. Darr (2020): “Investigation of nutritional characteristics and free radical scavenging activity of wild apple, pear, rosehip, and barberry from the walnut-fruit forests of Kyrgyzstan”. European Food Research and Technology (IF: 2.056) https://doi.org/10.1007/s00217-020-03476-1

(39) F. Wichern, Md. R. Islam, M. Hemkemeyer, C. Watson (2020): “Organic amendments alleviate salinity effects on soil microorganisms and mineralisation processes in aerobic and anaerobic paddy rice soils”. Frontiers in Sustainable Food Systems, 4:30; https://doi.org/10.3389/fsufs.2020.00030

(38) C. Watson, J. Clemens, F. Wichern (2020): “Hazenite: a new secondary phosphorus, potassium and magnesium fertilizer“. Plant, Soil and Environment (impact factor 2018, IF: 1.337) 66: 1-6. https://doi.org/10.17221/492/2019-PSE

(37) L. Schages, F. Wichern, R. Kalscheuer, D. Bockmühl (2020): “Winter is coming – Impact of temperature on the variation of beta-lactamase and mcr genes in a wastewater treatment plant”. Science of the Total Environment (impact factor 2018, IF: 5.589), 712, 136499. https://doi.org/10.1016/j.scitotenv.2020.136499

(36) B.Z. van der Wiel, J. Weijma, C.E. van Middelaar, M. Kleinke, C.J.N. Buisman, F. Wichern (2019): “A review of nutrient stock and flow analyses of agro-food-waste systems in local areas – setting a framework for restoring local nutrient circularity”. Journal of Resources, Conservation and Recycling X (IF: 7.044), 3, 100014; https://doi.org/10.1016/j.rcrx.2019.100014.

(35) J. Smanalieva, J. Iskakova, Z. Oskonbaeva, F. Wichern, D. Darr (2019): “Determination of physicochemical parameters, phenolic content, and antioxidant capacity of wild cherry plum (Prunus divaricata Ledeb.) from the walnut-fruit forests of Kyrgyzstan“. European Food Research and Technology (IF: 2.056), 245: 2293–2301.

(34) A. Hupe, H. Schulz, C. Bruns, T. Haase, J. Heß, J. Dyckmans, R.G. Joergensen, F. Wichern (2019): “Get on your boots: Estimating root biomass and rhizodeposition of peas under field conditions reveals the necessity of field experiments“. Plant and Soil (IF: 3.259), 443: 449-462.

(33) C. Watson, J. Clemens, F. Wichern (2019): “Plant availability of Mg and P from struvite with concurrent nitrification inhibitor application“. Soil use and management (IF: 1.958), 35: 675-682.

(32) D. in ‘t Zandt, C. Fritz, F. Wichern (2018): “In the land of plenty: Catch crops trigger nitrogen uptake by soil microorganisms”. Plant and Soil 423: 549-562.

(31) R.G. Joergensen, F. Wichern (2018): “Alive and kicking: Why dormant soil microorganisms matter” (Review), Soil Biology and Biochemistry 116: 419-430.

(30) C. Knoblauch, C. Watson, R. Becker, C. Berendonk, N. Wrage-Mönnig, F. Wichern (2017): “Relationship between remote sensing data, plant biomass and soil nitrogen dynamics in intensively managed grassland under controlled conditions”. Sensors 17 (7).

(29) R. Vihotogbé, G. Kakai, C. Watson, F. Wichern, B. Sinsin, J. Gebauer (2017): “Effects of salinity on seedling emergence and early seedling growth of Irvingia gabonensis (Irvingiaceae)”. Seed Science and Technology 45 (2), 1-14.

(28) M.J. Kanders, C. Berendonk, C. Fritz, C. Watson, F. Wichern (2017): “Catch crops store more nitrogen below-ground when considering rhizodeposits”. Plant and Soil 417: 287-299.

(27) C. Watson, K. Bahadur, L. Brieß, R. Dußling, F. Kohler, S. Weinsheimer, F. Wichern (2017): “Mitigating negative microbial effects of p-nitrophenol, phenol, copper and cadmium in a sandy loam soil using biochar”. Water, Air and Soil Pollution 228: 74-84.

(26) C. Knoblauch, C. Watson, R. Becker, C. Berendonk, F. Wichern (2017): “Change of ergosterol content after inorganic N fertilizer application does not affect short-term C and N mineralization patterns in a grassland soil”. Applied Soil Ecology 111: 57-64.

(25) T. Iqbal, R.G. Joergensen, C. Knoblauch, R. Lucassen, Y. Singh, C. Watson, F. Wichern (2016): “Rice straw addition does not substantially alter microbial properties under hypersaline soil conditions”. Biology and Fertility of Soils Biology and Fertility of Soils 52: 867-877.

(24) C. Watson, Y. Singh, T. Iqbal, C. Knoblauch, P. Simon, F. Wichern (2016): “Short term effects of polyacrylamide and dicyandiamide on C and N mineralisation in a sandy loam soil”. Soil Use and Management 32: 127-136.

(23) J. Gebauer, Y. O. Adam, M. F. E. M. Ahmed, A. C. Sanchez, D. Darr, M. E. S. Eltahir, E. M. M. Elwasila, K. E. M. Fadl, G. Fernsebner, M. Frei, T.-Y. Habte, K. Hammer, T. E. Mahmoud, M. Hunsche, H. Johnson, M. Kordofani, M. Krawinkel, F. Kugler, E. Luedeling, A. Maina, N. J. Mbugua, D. Mithöfer, K. M. Muendo, C. R. Y. Munthali, G. Noga, R. North, W. O. Owino, K. Prinz, F. K. Rimberia, A. Saied, M. Schüring, A. Sennhenn, M. A. Späth, M. E. N. Taha, A. Triebel, F. Wichern, M. Wiehle, K. Kehlenbeck (2016): “Africa’s wooden elephant: the baobab tree (Adansonia digitata L.) in Sudan and Kenya – a review”. Genetic Resources and Crop Evolution 63: 377-399.

(22) A. Hupe, H. Schulz, R.G. Joergensen, C. Bruns, F. Wichern (2016): “Digging in the dirt - Inadequacy of belowground plant biomass quantification”. Soil Biology and Biochemistry 96: 137-144.

(21) T. Eck, M. Potthoff, J. Dyckmans, F. Wichern, R.G. Joergensen (2015): “Priming effects of Aporrectodea caliginosa on young rhizodeposits and old soil organic matter following wheat straw addition”. European Journal of Soil Biology 70: 38-45.

(20) J. Gebauer, A. Assem, E. Busch, S. Hardtmann, D. Möckel, F. Krebs, T. Ziegler, F. Wichern, M. Wiehle und K. Kehlenbeck (2014): “Der Baobab (Adansonia digitata L.): Wildobst aus Afrika für Deutschland und Europa?! / The baobab (Adansonia digitata L.): wild African fruit for Germany and Europe?!“ Erwerbs-Obstbau 56: 9-24.

(19) P. Zareitalabad, J. Siemens, F. Wichern, W. Amelung, R. G. Joergensen (2013): “Dose-dependent reaction of Aporrectodea caliginosa to perfluorooctanoic acid and perfluorooctanesulfonic acid in soil”. Ecotoxicology and Environmental Safety 95: 39-43.

(18) K.S. Khan, X. Castillo, F. Wichern, J. Dyckmans, R.G. Joergensen (2012): “Interactions of mustard plants and soil microorganisms after application of sugarcane filter cake and pea residues to an Andosol”. Journal of Plant Nutrition and Soil Science 175: 931-938.

(17) F. Wichern, D. Andreeva, R.G. Joergensen, Y. Kuzyakov (2011): “Stem labelling results in different patterns of 14C rhizorespiration and 15N distribution in plants compared to natural assimilation pathways”. Journal of Plant Nutrition and Soil Science 174: 732-741.

(16) F. Wichern, J. Mayer, R.G. Joergensen, T. Müller (2010): “Evaluation of the wick method for in situ 13C and 15N labelling of annual plants using sugar-urea mixtures”. Plant and Soil 329: 105-115.

(15) F. Wichern, R.G. Joergensen (2009): “Soil microbial properties along a precipitation transect in southern Africa.” Arid Land Research and Management 23: 115-126.

(14) E. Mueller, H. Wildhagen, J. Heß, F. Wichern, R.G. Joergensen (2009): “Spatial patterns of soil biological and physical properties in a ridge tilled and a ploughed Luvisol.“ Soil and Tillage Research 105: 88-95.

(13) E. Mueller, H. Wildhagen, J. Heß, F. Wichern, R.G. Joergensen (2009): “CO2 evolution from a ridge tilled and a mouldbourd ploughed Luvisol in the field.“ Applied Soil Ecology 43: 89-94.

(12) F. Wichern, E. Eberhardt, J. Mayer, R.G. Joergensen, T. Müller (2008): “Nitrogen rhizodeposition in agricultural crops: Methods, estimates and future prospects.“ (Review), Soil Biology and Biochemistry 40: 30-48.

(11) R.G. Joergensen, F. Wichern (2008): “Quantitative assessment of the fungal contribution to microbial tissue in soil.” (Review), Soil Biology and Biochemistry 40: 2977-2991.

(10) E. Luedeling, F. Wichern (2007): “The Need for site-specific adaptation of organic standards: The example of dryland salinity in Australia”. In: Hülsebusch, C., Wichern, F., Hemann, H. and Wolff, P. (eds.) (2007): “Organic agriculture in the tropics and subtropics: Current status and perspectives”. Journal of Agriculture and Rural Development in the Tropics and Subtropics, Supplement No 89: 121-142.

(9)  M. Raubuch, K. Roose, K. Warnstorff, F. Wichern, R.G. Joergensen (2007): “Respiration pattern and microbial use of field-grown transgenic Bt-maize residues.” Soil Biology and Biochemistry 39: 2380-2389.

(8)  F. Wichern, J. Mayer, R.G. Joergensen, T. Müller (2007): “Rhizodeposition of C and N in peas and oats after 13C-15N double labelling under field conditions”. Soil Biology and Biochemistry 39: 2527-2537.

(7)  F. Wichern, J. Mayer, R.G. Joergensen, T. Müller (2007): “Release of C and N from roots of peas and oats and their availability to soil microorganisms.” Soil Biology and Biochemistry 39: 2829-2839.

(6)  J. Wichern, F. Wichern, R.G. Joergensen (2006): “Impact of salinity on soil microbial communities and the decomposition of maize in acidic soils”. Geoderma 137: 100-108.

(5)  E. Luedeling, M. Nagieb, F. Wichern, M. Brandt, J. Boettcher, A. Buerkert (2005): “Drainage, salt leaching and physico-chemical properties of irrigated man-made terrace soils in a mountain oasis of northern Oman”. Geoderma 125: 273-285.

(4)  F. Wichern, E. Luedeling, T. Müller, R.G. Joergensen, A. Buerkert (2004): “Field measurement of the CO2 evolution rate under different crops during an irrigation cycle in the mountain oasis Bald Seet, Oman”. Applied Soil Ecology 25: 85-91.

(3)  F. Wichern, T. Müller, R.G. Joergensen, A. Buerkert (2004): “Effects of manure quality and application forms on soil C and N turnover of a subtropical oasis soil under laboratory conditions”. Biology and Fertility of Soils 39: 165-171.

(2)  F. Wichern, W. Amelung, I. Lobe, T. Müller, R.G. Joergensen, A. Buerkert (2004): “Changes in amino acid enantiomers and microbial performance in soils from a subtropical mountain oasis in Oman abandoned for different time periods”. Biology and Fertility of Soils 39: 398-406.

(1) F. Wichern, C. Richter, R.G. Joergensen (2003): “Soil fertility breakdown in a subtropical South African vertisol site used as a home garden”, Biology and Fertility of Soils 37: 288-294.

 

Sonstige Publikationen, Poster und Vorträge

(73) S. Meisen, E. Perl, A. Grätz, K. Wolk, J. Smanalieva, Z. Oskonbaeva, D. Darr, F. Wichern (2018): “Quality parameters of walnut (Juglans regia) fruits from Kyrgyzstan as affected by abiotic properties and intraspecific variability”, Tropentag September 17 - 19, 2018 in Ghent (submitted)

(72) S.A. Schwalb, M. Hemkemeyer, S. Heinze, R.G. Joergensen, F. Wichern (2018): “Soil ionoMICS – Are soil fertility and their C and N storage capacity linked to the elemental composition of microorganisms?”. ISME 17, Leipzig, 12.-17.8.2018 (Poster).

(71) S.A. Schwalb, M. Hemkemeyer, S. Heinze, R.G. Joergensen, F. Wichern (2018): “Soil ionoMICS – Linking elemental composition of microorganisms to soil fertility and their C and N storage capacity”. Ecology of Soil Microorganisms 2018, Helsinki, 17.-21.6.2018 (Poster).

(70) S.A. Schwalb, M. Hemkemeyer, S. Heinze, R.G. Joergensen, F. Wichern (2018): “Soil ionoMICS – Importance of elemental composition of microorganisms for the fertility and C and N storage capacity of soil”. Bonares conference, Berlin, 26.-28.2.2018 (Poster).

 (69) A. Hupe, H. Schulz, R.G. Joergensen, J. Heß, F. Wichern (2017): “Die Bedeutung verschiedener Stickstofftransferpfade im Erbsen-Getreide-Gemenge”. Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften 29: 144-145. Verlag Liddy Halm, Göttingen.

(68) L. Caspersen, A.J. Gombert, M. Hommels, M. Deller, M.W. Pawolka, J. Schlossarek, B. Djurupova, K. Dzhakypbekova , J. Gebauer, G. Kaseeva, R. Kuchenbuch, A. Kulmyrzaev, D. Mamadjanov, M. Maurer, R. Nurmatov, Z. Polesny, J. Pretzsch, Z. Sarymsakov, D. Schmidt-Vogt, J. Smanalieva, V. Verner, F. Wichern, N. Thevs, F. Kugler, D. Darr (2017): “Utilizing the nutritional potential and secondary plant compounds of neglected fruit trees and other plant species of the walnut-fruit forests in Kyrgyzstan”. Tropentag 2017, Bonn, 20.-22.09.2017. (Talk)

(67) F. Wichern, Md. R. Islam, C. Watson (2017): “Salinity effects on short-term carbon and nitrogen mineralisation and soil microbial properties in a paddy rice soil under aerobic and anaerobic conditions”. Tropentag 2017, Bonn, 20.-22.09.2017. (Poster)

(66) C. Watson, K. Bahadur, L. Brieß, R. Dußling, F. Kohler, S. Weinsheimer, F. Wichern (2017): “Mitigating negative microbial effects of p-nitrophenol, phenol, copper and cadmium in a sandy loam soil using biochar”. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Göttingen, 02.-07.09. 2017. (Talk)

(65) A. Hupe, H. Schulz, R.G. Joergensen, J. Heß, F. Wichern (2017): “Optimierte Bestimmung der unterirdischen Pflanzenbiomasse in Theorie und Praxis”. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Göttingen, 02.-07.09. 2017. (Talk)

(64) M. Hemkemeyer, C. Bufe, C. Fritz, N. Wrage-Mönnig, F. Wichern (2017): “Cover crops grown in monoculture and mixed cropping affect soils differently“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Göttingen, 2.-07.09. 2017. (Talk)

(63) C. Fritz, J. Geurts, S. Weideveld, R. Temmink, N. Bosma, F. Wichern, F. Smolders, L. Lamers (2017): “Meten is weten bij bodemdaling-mitigatie”. Bodem 2: 20-22.

(62) F. Wichern, M.J. Kanders, C. Berendonk, D. in ‘t Zandt, C. Fritz (2017): “Below-ground effects of catch crops”. XVIII International Plant Nutrition Colloquium, Copenhagen, 21.08.-24.08.2017. (Poster)

(61) A. Hupe, F. Näther, R.G. Joergensen, J. Heß, C. Bruns, F. Wichern (2017): “Where has all the nitrogen gone? – Different transfer pathways from peas to cereals”. XVIII International Plant Nutrition Colloquium, Copenhagen, 21.08.-24.08.2017. (Poster)

(60) A. Hupe, H. Schulz, R.G. Joergensen, J. Heß, C. Bruns, T. Haase, F. Wichern (2017): “Improved estimation of below-ground plant biomass”.  XVIII International Plant Nutrition Colloquium, Copenhagen, 21.08.-24.08.2017. (Poster)

(59) M. Hemkemeyer, C. Berendonk, C. Bufe, I. Dünnebacke, C: Fritz, H. Kivelitz, N. Wrage-Mönnig, F. Wichern (2017): “Potential of cover crop species and mixtures to enhance nutrient supply for subsequent crops“. XVIII International Plant Nutrition Colloquium, Copenhagen, 21.08.-24.08.2017. (Poster)

(58) C. Watson, J. Clemens, F. Wichern (2017): “Plant availability of P and Mg from struvite with concurrent nitrification inhibitor application“. XVIII International Plant Nutrition Colloquium, Copenhagen, 21.08.-24.08.2017. (Poster)

(57) F. Wichern (2017): “Die Rhizosphäre – Wie das Bodenleben die Fruchtbarkeit fördert“. Strube Weizenfeldtag, Söllingen, 04.07.2017. (Vortrag)

(56) M. Kleinke, C. Watson, F. Wichern (2017): “Food production technologies for trans-boundary systems – The use of underutilized phosphorus reserves for fertilization“. In: Natural and local resources as locomotives for transformative and sustainable development, Humboldt Kolleg, Yaounde, 08.03.-11.03.2017. (invited talk)

(55) A. Hupe, H. Schulz, R.G. Joergensen, J. Heß, F. Wichern (2016): “Quantifizierung der C und N Rhizodeposition von Erbsen im Freiland“. Mitteilungen der Gesellschaft für Pflanzenbauwissenschaften 28: 216-217. Verlag Liddy Halm, Göttingen.

(54) C. Knoblauch, C. Watson, R. Becker, C. Berendonk, N. Wrage-Mönnig, F. Wichern: “Nitrogen effects on nitrous oxide emissions in intensively managed permanent grassland under controlled conditions“. 19th Nitrogen Workshop, Skara, 27.06.-29.06.2016. (Poster)

(53) C. Watson, Y. Singh, T. Iqbal, C. Knoblauch, P. Simon, F. Wichern (2016): “Effects of polyacrylamide and dicyandiamide on carbon and nitrogen mineralisation“. 19th Nitrogen Workshop, Skara, 27.06.-29.06.2016. (Poster)

(52) D. in ‘t Zandt, A. Arico, D. Lehnert, C. Fritz, F. Wichern (2016): “Cover crops trigger nitrogen uptake by soil microorganisms“. 19th Nitrogen Workshop, Skara, 27.06.-29.06.2016. (Vortrag)

(51) M. Potthoff, F. Wichern, J. Dyckmans, R.G. Joergensen (2016): “Earthworms and priming of soil organic matter – The impact of food sources, food preferences and fauna – microbiota interactions”. European Geosciences Union Geneal Assembly, Wien, 17.04.-22.04.2016. (Vortrag)

(50) F. Wichern, D. in ‘t Zandt, A. Arico, D. Lehnert, M. Cleven., M.J. Kanders, C. Berendonk, C. Fritz (2015): “Cover crop effects on soil fertility and nitrogen dynamics“. Tagung des DFG-Graduiertenkollegs 1397, Witzenhausen, 11.-12.11.2015. (Vortrag)

(49) A. Hupe, H. Schulz, R.G. Joergensen, F. Näther, T. Haase, F. Wichern (2015): “Quantifizierung der C- und N-Rhizodeposition von Erbse im Freiland“. Jahrestagung der Deutschen Gesellschaft für Pflanzenernährung, Göttingen, 17.-18.09.2015. (Vortrag)

(48) C. Knoblauch, C. Watson, N. Wrage-Mönnig, R. Becker, C. Berendonk, F. Wichern (2015): “Fertilization and root presence of permanent grassland have no effect on microbial biomass and mineralization“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, München, 5.-10.09.2015. (Vortrag)

(47) F. Wichern, D. in ‘t Zandt, A. Arico, D. Lehnert, M. Cleven., M.J. Kanders, C. Berendonk, C. Fritz (2015): “Rooting patterns of cover crops and soil microbial properties as affected by nitrogen fertilisation“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, München, 5.-10.09.2015. (Vortrag)

(46) A. Hupe, H. Schulz, R.G. Joergensen, F. Näther, T. Haase, F. Wichern (2015): “Quantifizierung der C- und N-Rhizodeposition unter Feldbedingungen“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, München, 5.-10.09.2015. (Vortrag)

(45) C. Fritz, E. Visser, A. Smolders, L. Lamers, F. Wichern, B. Dullo, T. Elzenga, V. Pancotta, A. Grootjans (2015): “Severe rhizosphere oxygenation optimising the carbon footprint of Paludiculture (Sustainable biomass production on peat soils)“. Rhizosphere 4, Maastricht, 21.-25.06.2015. (Poster)

(44) C. Fritz, E. Visser, P. Hinsinger, C. Doussan, H. de Kroon, D. in ’t Zandt, A. Bérard, F. Wichern (2015): “Seeking water: Rooting depth and drought tolerance of Zea mays genotypes driven by nutrient patches and subsoil fertilization“. Rhizosphere 4, Maastricht, 21.-25.06.2015. (Poster)

(43) A. Hupe, R.G. Joergensen, T. Haase, F. Näther, H. Schulz, F. Wichern (2015): “Quantification of C- and N-rhizodeposition of peas under field conditions“. Rhizosphere 4, Maastricht, 21.-25.06.2015. (Poster)

(42) M.J. Kanders, C. Berendonk, C. Fritz, F. Wichern (2015): “Cover crops store more N when considering the total below-ground biomass“. Rhizosphere 4, Maastricht, 21.-25.06.2015. (Vortrag)

(41) C. Knoblauch, C. Watson, N. Wrage-Mönnig, R. Becker, C. Berendonk, F. Wichern (2015): “Fertilization and root presence of permanent grassland have no effect on microbial biomass and mineralization“. Rhizosphere 4, Maastricht, 21.-25.06.2015. (Poster)

(40) D. in ‘t Zandt, A. Arico, D. Lehnert, C. Fritz, F. Wichern (2015): “The influence of nitrogen fertilization on rooting patterns and nitrogen recovery of catch crops“. Rhizosphere 4, Maastricht, 21.-25.06.2015. (Poster)

(39) F. Wichern, S.-M. Arnim, A. Herm-Stapelberg, M. Höing, B. Joppen, D. Lehnert, V. Müller, T. Neuhaus-Gea Navarro, S. Schwalb, O. Zilberman, C. Watson (2015): “Vergleich bodenbiologischer Eigenschaften ökologischer und konventioneller Praxisflächen: Integration der Forschung in reguläre Lehrveranstaltungen“. Wissenschaftstagung Ökolandbau, Eberswalde, 17.-20.03.2015. (Poster)

(38) A. Hupe, F. Näther, L. Hans, C. Bruns, J. Heß, R.G. Joergensen, T. Haase, F. Wichern (2015): “Zeitliche Dynamik der Rhizodeposition von Erbse“. Wissenschaftstagung Ökolandbau, Eberswalde, 17.-20.03.2015. (Vortrag)

(37) F. Wichern, Y. Singh, T. Iqbal, C. Watson, C. Knoblauch, P.F. Simon (2014): “Interactive effects of polyacrylamide and dicyandiamide on soil organic matter and nutrient dynamics”. Tropentag 2014, 17.-19.09.2014. (Poster)

(36) F. Wichern, T. Iqbal, C. Watson, Y. Singh, C. Knoblauch, R.G. Joergensen (2014): “Salinity effects on soil microbial properties and nutrient fluxes in a rice paddy soil during short term aerobic incubation”. Tropentag 2014, 17.-19.09.2014. (Vortrag)

(35) M.J. Kanders, C. Berendonk, C. Fritz, F. Wichern (2014): “Nitrogen uptake by catch crops: Estimating the below-ground contribution“. International Conference of the German Society of Plant Nutrition: DGP 2014 - from basic understanding to better crops, 10.-12.09.2014. (Vortrag)

(34) F. Wichern (2014): “How accurately can we estimate below-ground nitrogen of legumes?”. 18th Nitrogen Workshop, Lisbon, 30.06.-03.07.2014. (Poster)

(33) M.J. Kanders, C. Berendonk, C. Fritz, F. Wichern (2014): “Estimation of below-ground nitrogen in catch crops“. 18th Nitrogen Workshop, Lisbon, 30.06.-03.07.2014. (Poster)

(32) F. Wichern, Y. Singh, T. Iqbal, C. Knoblauch, C. Watson, P.F. Simon (2014): “Effects of polyacrylamide and dicyandiamide on carbon and nitrogen mineralisation“. 18th Nitrogen Workshop, Lisbon, 30.06.-03.07.2014. (Poster)

(31) C. Knoblauch, C. Watson, R. Becker, C. Berendonk, F. Wichern (2014): “Influence of nitrogen fertilisation on carbon and nitrogen mineralisation, microbial biomass and soil respiration in grassland soils“. 18th Nitrogen Workshop, Lisbon, 30.06.-03.07.2014. (Poster)

(30) F. Näther, A. Schmidt, L. Hans, C. Bruns, J. Heß, R.G. Joergensen, T. Haase, F. Wichern (2014): “Transfer processes of C and N from peas to cereals“. 18th Nitrogen Workshop, Lisbon, 30.06.-03.07.2014. (Vortrag)

(29) A. Schmidt, F. Näther, L. Hans, C. Bruns, J. Heß, R.G. Joergensen, T. Haase, F. Wichern (2014): “Temporal dynamics of nitrogen rhizodeposition in peas“. 18th Nitrogen Workshop, Lisbon, 30.06.-03.07.2014. ( Poster)

(28) F. Wichern (2014): “N-Bindung von Zwischenfrüchten: Neue Erkenntnisse aus dem Untergrund“. Vortragsreihe im Rahmen der Weiterbildung von Landwirten zur EU-WRRL, 13.01.-16.01.2014. (Vortrag)

(27) M. Potthoff, T. Eck, F. Wichern, J. Dyckmans, R.G. Joergensen (2013): “Biological utilization of C and N from rhizodeposition in an incubation study“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Rostock, 07.-12.09.2013. (Poster)

(26) C. Knoblauch, C. Watson, R. Becker, C. Berendonk, F. Wichern (2013): “Effects of nitrogen fertilization on carbon and nitrogen mineralisation from organic matter and roots in grassland soils“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Rostock, 07.-12.09.2013. (Vortrag)

(25) F. Näther, A. Schmidt, L. Hans, J. Heß, R.G. Joergensen, T. Haase, F. Wichern (2013): “Prozesse des C- und N-Transfers zwischen Erbse und Getreide im Gemengeanbau“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Rostock, 07.-12.09.2013. (Vortrag)

(24) A. Schmidt, F. Näther, L. Hans, J. Heß, R.G. Joergensen, T. Haase, F. Wichern (2013): “Einfluss von Mycorrhiza auf die C- und N-Rhizodeposition bei Erbse“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Rostock, 07.-12.09.2013. (Vortrag)

(23) M. Kanders, R. Schmidt, D. Darr, F. Wichern (2013): “Carbon stocks and local sequestration potential of a forest in North Rhine-Westphalia“. Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Rostock, 07.-12.09.2013. (Poster)

(22) M. Kanders, R. Schmidt, D. Darr, F. Wichern (2013): „Angepasstes Forstmanagement gegen den Klimawandel: Der Wald als Kohlenstoffspeicher“. AFZ-DerWald 6, 11-13.

(21) C. Kothes, F. Wichern, R. Schmidt, J. Gebauer (2013): ”Self-harvesting projects: A marketing tool for neglected vegetables?“ Jahrestagung der Deutschen Gartenbauwissenschaftlichen Gesellschaft (DGG). 27.02.-02.03.2013. Bonn. (Poster)

(20) F. Wichern (2012): “How accurately can we estimate leguminous below-ground N as an important input in organic cropping systems?” Conference of DFG-research training group 1397: Regulation of soil organic matter and nutrient turnover in agriculture. Witzenhausen. (Poster)

(19) F. Wichern, R.G. Joergensen (2012): “How does soil salinity affect soil microbial communities and related matter fluxes?” Conference of DFG-research training group 1397: Regulation of soil organic matter and nutrient turnover in agriculture. Witzenhausen. (Vortrag)

(18) S. Mandal, A. Spijkers, N. Wrage, J. Gebauer, F. Wichern (2012): ”Sustainable development of Bangladesh agriculture: Examples for strategies to adapt to a changing environment.” In: Tielkes E. (Ed.) Resilience of agricultural systems against crises – Deutscher Tropentag 2012. Cuvillier Verlag, Göttingen, p. 365. (Poster)

(17) F. Wichern (2012): “The hidden half: Estimating below-ground plant N”. Conference: Nitrogen cycling in terrestrial ecosystems: methods and outlook. Chinesisch-Deutsches Zentrum für Wissenschaftsförderung. Nanjing, China. (Vortrag)

(16) F. Wichern (2010): “Nachhaltige Landwirtschaft: Notwendigkeit und Chance”. Conference: Das 1. Zukunftsforum Agrobusiness Region Niederrhein. 220.05.2010, Alpen. (Vortrag)

(15) G. Ebert, F. Wichern (2008): ”Balanced fertilisation – A prerequisite for sustainable improvement of crop yield and quality in developing countries.” In: Tielkes E. (Ed.) Competition for Resources in a Changing World: New Drive for Rural Development – Deutscher Tropentag 2008. Cuvillier Verlag, Göttingen, p. 133. (Vortrag)

(14) C. Hülsebusch, F. Wichern, P. Wolff, H. Hemann (eds.) (2007): “Organic agriculture in the tropics and subtropics: Current status and perspectives”. Journal of Agriculture and Rural Development in the Tropics and Subtropics, Supplement No. 89. kassel university press GmbH, Kassel, Germany. 166 p.

(13) F. Wichern (2007): ”Estimating C and N rhizodeposition of peas and oats.“ Dissertation. kassel university press, Kassel.

(12) F. Wichern, J. Mayer, R.G. Joergensen, T. Müller (2007): “Mengen und Umsatz der C- und N-Rhizodeposition von Erbse (Pisum sativum L.) und Hafer (Avena sativa L.) unter Freilandbedingungen.“ Jahrestagung der Deutschen Bodenkundlichen Gesellschaft, Dresden, 05.09.2007. (Vortrag)

(11) F. Wichern, J. Mayer, R.G. Joergensen, T. Müller (2006): „In situ 13C-15N-Doppelmarkierung von Erbse und Hafer zur simultanen Quantifizierung des C und N-Umsatzes wurzelbürtiger Verbindungen im Boden.“ Beitrag zur Tagung „Stabile Isotope in der Bodenkunde“ Workshop der Deutschen Bodenkundlichen Gesellschaft in Göttingen 04.-05.09.2006 (Vortrag)

(10) F. Wichern, J. Mayer, T. Müller, R.G. Joergensen (2005): “In situ labelling of root biomass and rhizodeposits.“ In: Hartmann, A., Schmid, M., Wenzel, W., Hinsiger, Ph. (Herausgeber) “Rhizosphere 2004 – Perspectives and challenges – A tribute to Lorenz Hiltner.” GSF – Forschungszentrum für Umwelt und Gesundheit, GmbH, Neuherberg. p. 208. (Poster)

(9) F. Wichern, K. Hafeel (2004): “The fungal-bacterial ratio: Tipping the balance for soil health”. Soils are Alive Newsletter, Vol. 3, No. 3. Faculty of Natural and Agricultural Sciences, The University of Western Australia, Crawley.

(8) F. Wichern, E. Luedeling, T. Müller, R.G. Joergensen, A. Buerkert (2003): “Field measurement of the CO2 evolution rate under different crops during an irrigation cycle in the mountain oasis Bald Seet, Oman”. In: Wollny, C., Deininger, A., Bhandari, N., Maass, B., Manig, W., Muuss, U., Brodbeck, F., Howe, I. (Eds.) Technological and Institutional Innovations for Sustainable Rural Development – Deutscher Tropentag 2003. Klartext, Göttingen, p. 140. (Poster)

(7) F. Wichern, T. Müller, R.G. Joergensen, A. Buerkert (2003): “Effects of manure quality and application forms on soil C and N turnover in a subtropical mountain oasis: a laboratory simulation of agricultural practices”. In: Wollny, C., Deininger, A., Bhandari, N., Maass, B., Manig, W., Muuss, U., Brodbeck, F., Howe, I. (Eds.) Technological and Institutional Innovations for Sustainable Rural Development – Deutscher Tropentag 2003. Klartext, Göttingen, p. 114. (Poster)

(6) F. Wichern, T. Müller, R.G. Joergensen, A. Buerkert (2003): “Microbial performance in soils of a subtropical mountain oasis in Oman abandoned for different time periods”. In: Wollny, C., Deininger, A., Bhandari, N., Maass, B., Manig, W., Muuss, U., Brodbeck, F., Howe, I. (Eds.) Technological and Institutional Innovations for Sustainable Rural Development – Deutscher Tropentag 2003. Klartext, Göttingen, p. 115. (Poster)

(5) R.G. Joergensen, F. Wichern, C. Richter (2003): „Der Verlust von Bodenfruchtbarkeit auf einer als Hausgarten genutzten Vertisolfläche des subtropischen Südafrikas.“ Mitteilungen der Deutschen Bodenkundlichen Gesellschaft 102/1: 289-290.

(4) B. Hoffmann und F. Wichern (2003): „Studierendenmarketing – ‚Seine Ideale verkaufen’“. Beitrag zum Wettbewerb „Küss die Uni wach - Ideen für die Hochschule von morgen“, CHE Centrum für Hochschulentwicklung, Gütersloh.

(3) F. Wichern (2002): „Biotopentwicklungskonzept: Sandkuhle Hamersen“, Eigenverlag.

(2) F. Wichern, C. Richter, R.G. Joergensen (2002): “Soil fertility breakdown in soils of subtropical South Africa used as kitchen garden”. In: Deininger, A. (Ed.) Challenges to Organic Farming and Sustainable Land Use in the Tropics and Subtropics. Deutscher Tropentag 2002. Book of Abstracts. University Press, Kassel, Germany, p. 226. (Poster)

(1) E. Luedeling, S. Siebert, F. Wichern, W. Aeschbach-Hertig, M. Nagieb, T. Müller, A. Buerkert (2002): “The hydrology of mountain oases in northern Oman”. In: Deininger, A. (Ed.) Challenges to Organic Farming and Sustainable Land Use in the Tropics and Subtropics. Deutscher Tropentag 2002. Book of Abstracts. University Press, Kassel, Germany, p. 74. (Poster)