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Acta Agriculture Scandinavica Section B-Soil & Plant Science 60 ( 2 ): 101 - 109 , 2010
Marje Sarekanno, Juri Kadaja, Katrin Kotkas, Viive Rosenberg, Virge Vasar, Triin Saue and Viacheslav Eremeev
Acta Agriculture Scandinavica Section B-Soil & Plant Science 60 ( 4 ): 297 - 306 , 2010