Author: Svetla Kostadinova, Ivan Manolov
Issue 2
2. Chorological data for vascular plants in Bulgaria
Author: Tsvetanka Raycheva, Kiril Stoyanov
3. Analysys of the flora of the Ostrova locality, Plovdiv
Author: Kiril Stoyanov, Tsvetanka Raycheva
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
6. Dependence between the additional grain yield and the rate of nitrogen fertilization on triticale varieties for the Plovdiv region
Author: Hristofor Kirchev, Aleksander Matev, Vanya Delibaltova
7. Use of cluster analysis for grouping and evaluation of different oil sunflower hybrids
Author: Velika Kuneva, Nurettin Tahsin
8. Inheritance of plant height in durum wheat
Author: Rangel Dragov, Dechko Dechev
9. Study of basic parameters of the quality of grain in durum wheat genotypes
Author: Krasimira Taneva, Rangel Dragov, Ivanka Petrova, Violeta Bozhanova
10. Influence of low temperatures on the growth and macronutrient content in young maize plants
Author: Rositsa Cholakova-Bimbalova, Andon Vasilev