Author: Valery Petrov, Sergey Shcherbakov, Aleksandr Kovalenko, Ekaterina Kurdenkova
Issue 20 – Jubilee Scientific Conference with International Participation TRADITIONS AND CHALLENGES FACING AGRICULTURAL EDUCATION, SCIENCE AND BUSINESS 29–31 October 2015, Plovdiv
12. Influence of biological fertilization on the fruit quality of greenhouse tomatoes
Author: Kostadin Kostadinov, Galina Pevicharova, Stoyan Filipov, Krasimir Mihov
13. The effect of covers on the vineyard subsoil temperature
Author: Juha Karvonen
14. Cutting angle of the vertical rotary soil tillage unit with an active drive
Author: Dimitar Guglev
15. Need of supplementary lighting implementation in Bulgarian greenhouses
Author: Martin Marinov, Petar Petrov, Stoyan Filipov
16. Determination of some mechano-technological characteristics of a grass mix for turf and it`s separate components
Author: Dimitar Zjapkov, Galia Hristova
17. Structural and technological features of machines for briquetting of tobacco residues
Author: Georgi Komitov, Dimitar Kehajov
18. A dosing device with a compensative chamber for a fertilizer applying machine
Author: Sayakhat Nukeshev, Dimitar Karaivanov, Aigul Balabekova, Boris Gorbunov
19. Belt conveyor for a mineral fertilizer applying machine
Author: Dzhadyger Eskhozhin, Dimitar Кaraivanov, Ziyada Zhaksylykova
20. The ‘water-yield’ relationship: model calibration in the case of raspberry (Rubus idaeus)
Author: Georgi Kornov, Aleksander Matev, Kouman Koumanov