Author: Yordanka Kartalska, Svetoslav Malchev
Issue 3
12. The meaning of physiqal and chemical parameters of biofuels for diesel engine
Author: Boris Jankov, Volodimir Bulgakov, Dimitar Irinchev
13. Phytophthora root and crown rot — potential tread about fruit trees in Bulgaria
Author: Mariana Nakova
14. Enhancement of seed germination and seedling growth in Magnolia grandiflora L. using pre-sowing treatment with growth regulators (IAA and GA3)
Author: Omer Ibrahim, Valeria Ivanova, Petya Gercheva, Lilyana Nacheva
15. Difficulties in the Czech education and new approaches to their solving
Author: Pavel Krpalek
16. Results of research organised within the pro-school project
Author: Emil Kříž
17. Withering of young sweet cherry trees
Author: Milena Dimova
18. An investigation of qualitative indices of surface soil garden power tiller MM—22
Author: Dimitar Ziapkov, Angel Trifonov
19. Effect of sowing rate on quantity and quality of yield of shallot cultivar ‘Matador F1’ grown in the climatic conditions of Western Pomerania
Author: Dorota Jadczak, Donhnika Kosecka, Monika Grzeszczuk
20. Прибиране на житни култури с пряко комбайниране и стационарно овършаване
Author: Володимир Булгаков, Сава Мандраджиев, Димитър Иринчев