Author: Valentina Valkova
Issue 1
1.21. Combining ability of medium late inbred maize lines for grain yield
Author: Nataliya Petrovska, Ivanka Genova
1.22. Inheritance of quantitative characters in some maize hybrids
Author: Mima Ilchovska
1.23. Variation of germination and germination energy in period before seeding
Author: Bogdan Bonchev
1.24. Biological export of nutrient elements by the yield of garden peas cultivars
Author: Dimitar Cholakov
1.25. In vitro propagation of plum cultivars
Author: Krastina Kornova, Stamen Popov
1.26. Economic effects of organic production of essential oils in Bulgaria
Author: Lozana Vasileva
1.27. Problems related to pollution of the river Topolovska crossing the protected area “Chinar dere”
Author: Ekaterina Valtcheva, Vladislav Popov
1.28. Ecological status of soils in the region of Topolovo village at the border with protected area “Chinar dere”
Author: Ekaterina Valcheva, Rada Popova, Vladislav Popov
1.29. Characteristic of new wintering breeding oat lines
Author: Todorka Savova