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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 7, 2014

INVESTIGATION OF YIELD AND YIELD COMPONENTS OF SUNFLOWER (Helianthus annuus L.) CULTIVARS IN THE ECOLOGICAL CONDITIONS OF BERLIN (GERMANY)

Ö. Canavar, F. Ellmer and F.M. Chmielewski
From the journal HELIA