Author: Bogdan Bonchev
Author: Никола Цайкин
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
1.30. Istranca – Igneada longos forests and ecological damage
Author: Asli Korkut, Elif Sisman, Bahar Etli
2.1. Influence of crop-rotation and soil treatments on the density of harmful and useful insects by oil seed rape
Author: Nedyalka Palagacheva, Antonia Mateeva
2.2. Statistical analyses of the influence of some soil herbicides on the vegetative development of seedlings from Prunus mahaleb L.
Author: Irena Ivanova, Zarya Rankova