Author: Luba Glogova
hybrids
1.19. Analysis of structural elements hybrid’s yield pop-corn maize
Author: Luba Glogova
41. Comparative testing of mid-early maize hybrids, cultivated for grain under non-irrigation in Central North Bulgaria
Author: Iliyan Zhelyazkov
26. Influence of some leaf fertilizers on the development and productivity of the oilseed rapeseed
Author: Zhivko Todorov
4. Comparative testing of oil sunflower hybrids in the region of North–East Bulgaria
Author: Vanya Delibaltova
5. Determining the leaf area of new lines and hybrids of sunflower (Helianthus annuus L.)
Author: Georgi Georgiev, Nina Nenova, Penka Peevska, Plamen Chamurliysky
7. Use of cluster analysis for grouping and evaluation of different oil sunflower hybrids
Author: Velika Kuneva, Nurettin Tahsin