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N. Claassen

Observed names: CLAASSEN, NORBERT, Claassen, N., Claassen, Nicolaas, Claassen, Norbert, N Claassen, N. CLAASSEN, Norbert Claassen
Observed institutions: University of Hohenheim, Leibniz University Hannover, Purdue University West Lafayette, Technical University of Munich, University of Pretoria, University of Göttingen
ORCID: 0000-0003-0609-2930
Observed ORCID: 0000-0003-0609-2930
OpenAlex ID: A5080948612
Organic phosphorus compounds as a phosphorus source for higher plants through the activity of phosphatases produced by plant roots and microorganisms
1988 · J.C Tarafdar, N. Claassen · Biology and Fertility of Soils · 559
Phosphorus efficiency of plants
1991 · Doris Föhse, N. Claassen, et al. · Plant and Soil · 407
A Method for Characterizing the Relation between Nutrient Concentration and Flux into Roots of Intact Plants
1974 · Norbert Claassen, Stanley A. Barber · PLANT PHYSIOLOGY · 323
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Phosphorus efficiency of plants
1988 · Doris Föhse, N. Claassen, et al. · Plant and Soil · 321
Effectiveness of recycled P products as P fertilizers, as evaluated in pot experiments
2011 · Ricardo Cabeza, Bernd Steingrobe, et al. · Nutrient Cycling in Agroecosystems · 239
Ion Diffusion in the Soil–Root System
1997 · Albrecht Jungk, Norbert Claassen · Advances in agronomy · 216
Mobilization of phosphate in different soils by ryegrass supplied with ammonium or nitrate
1992 · Tara Singh Gahoonia, Norbert Claassen, et al. · Plant and Soil · 210
Phosphorus Efficiency of Cabbage (Brassica oleraceae L. var. capitata), Carrot (Daucus carotaL.), and Potato (Solanum tuberosumL.)
2003 · Nigussie Dechassa, Manfred K. Schenk, et al. · Plant and Soil · 140
Verification of a mathematical model by simulating potassium uptake from soil
1986 · N. Claassen, K. M. Syring, et al. · Plant and Soil · 140
Citramalic acid and salicylic acid in sugar beet root exudates solubilize soil phosphorus
2011 · Reza Khorassani, Ursula Hettwer, et al. · BMC Plant Biology · 127
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Potassium availability in relation to soil moisture
1986 · R. Kuchenbuch, N. Claassen, et al. · Plant and Soil · 125
Phosphatverarmung des wurzelnahen Bodens und Phosphataufnahme von Mais und Raps
1981 · L. Hendriks, N. Claassen, et al. · Zeitschrift für Pflanzenernährung und Bodenkunde · 116
Availability of phosphate and potassium as the result of interactions between root and soil in the rhizosphere
1986 · A. Jungk, N. Claassen · Zeitschrift für Pflanzenernährung und Bodenkunde · 114
Potassium availability in relation to soil moisture
1986 · R. Kuchenbuch, N. Claassen, et al. · Plant and Soil · 103
Availability in Soil and Acquisition by Plants as the Basis for Phosphorus and Potassium supply to Plants
1989 · Albrecht Jungk, Norbert Claassen · Zeitschrift für Pflanzenernährung und Bodenkunde · 96
Roots regulate ion transport in the rhizosphere to counteract reduced mobility in dry soil
2004 · Horst Liebersbach, Bernd Steingrobe, et al. · Plant and Soil · 88
Observed and Calculated Potassium Uptake by Maize as Affected by Soil Water Content and Bulk Density
1995 · Stefan Seiffert, Joachim Kaselowsky, et al. · Agronomy Journal · 82
Differential mobilization of P in the maize rhizosphere by citric acid and potassium citrate
2005 · Laura Palomo, Norbert Claassen, et al. · Soil Biology and Biochemistry · 80
The use of the ingrowth core method for measuring root production of arable crops — influence of soil conditions inside the ingrowth core on root growth
2000 · Bernd Steingrobe, Harald Schmid, et al. · Journal of Plant Nutrition and Soil Science · 73
Phosphorus uptake kinetics, size of root system and growth of maize and groundnut in solution culture
2004 · P.S. Bhadoria, H. El Dessougi, et al. · Plant and Soil · 72
Mechanistic Simulation Models for a Better Understanding of Nutrient Uptake from Soil
2024 · Norbert Claassen, Bernd Steingrobe · CRC Press eBooks · 70
Potassium Dynamics in the Rhizosphere and K Efficiency of Crops
2000 · Bernd Steingrobe, Norbert Claassen · Journal of Plant Nutrition and Soil Science · 69
Phosphate Diffusion Coefficients in Soil as Affected by Bulk Density and Water Content
1991 · P. B. S. Bhadoria, J. Kaselowsky, et al. · Zeitschrift für Pflanzenernährung und Bodenkunde · 69
Potassium efficiency mechanisms of wheat, barley, and sugar beet grown on a K fixing soil under controlled conditions
2002 · Hanadi El Dessougi, Norbert Claassen, et al. · Journal of Plant Nutrition and Soil Science · 68
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Root production and root mortality of winter barley and its implication with regard to phosphate acquisition
2001 · B. Steingrobe, H. Schmid, et al. · Plant and Soil · 68
Works count: 208
Citation count: 5,763
H-index: 41
I10-index: 78
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