Author: Penka Zaprianova
2015
18. Macronutrients content in the Virginia varieties grown under identical agroecological conditions
Author: Penka Zaprjanova
19. Determination of selenium in different wheat varities
Author: Stefan Krustev, Violina Angelova, Krasimir Ivanov
20. Hesitation of rainfalls during the vegetational period in the agricultural region of Plovdiv
Author: Dafinka Ivanova
21. Agroclimatic assessment of winering for fruit growing cultures
Author: Dafinka Ivanova
22. Weed control in sunflower cultivation in the conventional technology
Author: Todor Manilov, Ivan Zhalnov
23. Studies on some biological features of tuberous sour grass Cyperus rotundus L.
Author: Tomas Filliusis, Ivan Zhalnov
1. Effect of fertilizing systems on the productivity of cereal crops during the conversion period from conventional to organic production
Author: Svetla Kostadinova, Ivan Manolov
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