V. Badzhelova1, V. Bozhanova2, G. Chokov3, 1Institute of Roses, Essential and Medical Cultures, 6100 Kazanlak, Bulgaria 2Field Crops Institute, 6200 Chirpan, Bulgaria 3Industrial plants company, 6100 Kazanlak, Bulgaria (Manuscript received 25 May 2018; accepted for publication
Continue Reading →