Author: Sunjae Choo, Marin Marinov, Diana Videnova
Issue 20 – Jubilee Scientific Conference with International Participation TRADITIONS AND CHALLENGES FACING AGRICULTURAL EDUCATION, SCIENCE AND BUSINESS 29–31 October 2015, Plovdiv
32. Identification of soil threats from the survey area in the Zlatitsa–Pirdop valley
Author: Toma Shishkov, Bisser Нristov
33. Potential of sunflower (Helianthus annuus L.) for phytoremediation of soils contaminated with heavy metals
Author: Violina Angelova, Radka Ivanova, Zhivko Todorov, Krassimir Ivanov
34. Statistical analysis of some soil parameters from Luvisoils in the region of Stara Zagora
Author: Rada Popova, Mima Todorova, Dimitar Kehayov
35. Content of the heavy metals copper and zinc in Akmolinskoj district of Northern Kazakhstan in relation to zero- and traditional growing technology of grain-legume crops
Author: Asiya Ansabaeva, Nurlan Serekpaev, Vladislav Popov
36. Estimate of the soils in the region of Saedinenie – the district of Plovdiv for rice growing
Author: Ivanka Toromanova, Rada Popova, Tonia Georgieva