Login
 Forum
 
 
Personal data sheet
 Print preview
personal data approved: 2021. VII. 08.
Personal data
Kálmán Rajkai
name Kálmán Rajkai
name of institution
Hungarian University of Agriculture and Life Sciences, Gödöllő
Doctoral Council of the University (external member)
Soproni Egyetem (to be translated)
Habilitation Committee of the University (external member)
Doctoral Council of the University (external member)
doctoral school
DE Kálmán Kerpely Doctoral School (Academic staff member)
MATE Doctoral School of Biological Sciences (Core member emeritus)
MATE Doctoral School of Environmental Sciences (Academic staff member)
MATE Festetics Doctoral School (Academic staff member)
the share of work in the different doctoral schools. DE Kálmán Kerpely Doctoral School 9%
MATE Doctoral School of Biological Sciences 69%
MATE Doctoral School of Environmental Sciences 10%
MATE Festetics Doctoral School 8%
SOE Habilitation Committee of the University (external member) 2%
SOE Doctoral Council of the University (external member) 2%
accreditation statement submitted to: Hungarian University of Agriculture and Life Sciences, Gödöllő
Contact details
phone number +36 30 905-1147
mobile phone number +36 30 961-7428
own web page
Academic title
scientific degree, title Ph.D.
year degree was obtained 1985
discipline to which degree belongs biology
institution granting the degree HAS, Budapest, Hungary (to be translated)
scientific degree, title DSc
year degree was obtained 2004
discipline to which degree belongs
institution granting the degree HAS
scientific degree, title Corresponding member of Hung. Acad. of Sci.
year degree was obtained 2016
discipline to which degree belongs plant breeding and botany
institution granting the degree HAS
Employment
2021 - ELKH ATK TAKI
other (not specified) (kutatóprofesszor emeritus)
Thesis topic supervisor
number of doctoral students supervised until now 2
number of students who fulfilled course requirements 2
students who obtained their degrees:
(50%) Andrea Hagyó PhD 2009  DSBS
(50%) Csilla Farkas PhD 2001  
(50%) Zsolt Gácsi PhD 2001  
(50%) Tibor Standovár PhD 1994  

completed course requirement:
(50%) Blanka Buzetzky (PhD) 2018/01  DSES-SzIE
  Thesis topic proposals
Research
research area soil physics, water management, water flow modeling of soil-plant-atmosphere system, measuring and estimating of soil hydro-physical properties, bioindication of soil environmental factors
research field in which current research is conducted plant breeding and botany
environmental sciences
Publications
2020

Cseresnyés Imre, Rajkai Kálmán, Szitár Katalin, Radimszky László, Ónodi Gábor, Kröel-Dulay György: Root capacitance measurements allow non-intrusive in-situ monitoring of the seasonal dynamics and drought response of root activity in two grassland species, PLANT AND SOIL 449: pp. 423-437.
type of document: Journal paper/Article
language: English
URL 
2020

Czachor H., Rajkai K., Lichner L., Jozefaciuk G.: Sample geometry affects water retention curve, JOURNAL OF HYDROLOGY 588: 125131
type of document: Journal paper/Article
language: English
URL 
2020

Cseresnyés Imre, Vozáry Eszter, Kabos Sándor, Rajkai Kálmán: Influence of substrate type and properties on root electrical capacitance, INTERNATIONAL AGROPHYSICS 34: (1) pp. 95-101.
type of document: Journal paper/Article
number of independent citations: 1
language: English
URL 
2018

Cseresnyés Imre, Szitár Katalin, Rajkai Kálmán, Füzy Anna, Mikó Péter, Kovács Ramóna, Takács Tünde: Application of Electrical Capacitance Method for Prediction of Plant Root Mass and Activity in Field-Grown Crops, FRONTIERS IN PLANT SCIENCE 9: 93
type of document: Journal paper/Article
number of independent citations: 13
language: English
URL 
2018

Cseresnyés Imre, Rajkai Kálmán, Takács Tünde, Vozáry Eszter: Electrical impedance phase angle as an indicator of plant root stress, BIOSYSTEMS ENGINEERING 169: pp. 226-232.
type of document: Journal paper/Article
number of independent citations: 10
language: English
URL 
2017

Cseresnyés Imre, Kabos Sándor, Takács Tünde, Végh Krisztina R, Vozáry Eszter, Rajkai Kálmán: An improved formula for evaluating electrical capacitance using the dissipation factor, PLANT AND SOIL 419: pp. 237-256.
type of document: Journal paper/Article
number of independent citations: 5
language: English
URL 
2017

Makó A, Tóth G, Weynants M, Rajkai K, Hermann T, Tóth B: Pedotransfer functions for converting laser diffraction particle-size data to conventional values, EUROPEAN JOURNAL OF SOIL SCIENCE 68: (5) pp. 769-782.
type of document: Journal paper/Article
number of independent citations: 25
language: English
URL 
2005

Rajkai K, Végh K, Nacsa T: Electrical capacitance of roots in relation to plant electrodes, measuring frequency and root media, ACTA AGRONOMICA HUNGARICA: A QUARTERLY OF THE HUNGARIAN ACADEMY OF SCIENCES : AN INTERNATIONAL MULTIDISCIPLINARY JOURNAL IN AGRICULTURAL SCIENCE 53: (2) pp. 197-210.
type of document: Journal paper/Article
number of independent citations: 21
language: English
URL 
2004

Rajkai K, Kabos S, VanGenuchten MT: Estimating the water retention curve from soil properties: comparison of linear, nonlinear and concomitant variable methods, SOIL & TILLAGE RESEARCH 79: (2) pp. 145-152.
type of document: Journal paper/Article
number of independent citations: 57
language: English
URL 
1996

Rajkai K, Kabos S, van Genuchten MTH, Jansson PE: Estimation of water-retention characteristics from the bulk density and particle-size distribution of Swedish soils, SOIL SCIENCE 161: (12) pp. 832-845.
type of document: Journal paper/Article
number of independent citations: 74
language: English
URL 
Number of independent citations to these publications:206 
Scientometric data
list of publications and citations
number of scientific publications that meet accreditation criteria:
363
number of scientific publications:
352
monographs and professional books:
4
monographs/books in which chapters/sections were contributed:
9 
scientific publications published abroad that meet the accreditation criteria:
159
publications not in Hungarian, published in Hungary, meeting the accreditation criteria:
58
number of independent citations to scientific publications and creative works:
2670

 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 2.2358 ( 2017. X. 31. )