Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Čakmak Dragan"'
Autor:
Amaizah Nasser Ramdan, Cakmak Dragan, Saljnikov Elmira, Roglic Goran, Mrvic Vesna, Krgovic Rada, Manojlovic Dragan
Publikováno v:
Journal of the Serbian Chemical Society, Vol 77, Iss 7, Pp 971-981 (2012)
The changes in inorganic and organic phosphorus (P) fractions of soil resulting from long-term fertilization (40 years) were investigated. In order to improve understanding of the sink and sources of phosphorus, P-fractions were extracted from soil s
Externí odkaz:
https://doaj.org/article/3b5407e89d4b48cbb84b74b4bb868cef
Autor:
Saljnikov Elmira, Lukić Sara, Miljković Predrag, Koković Nikola, Perović Veljko, Čakmak Dragan, Belanović-Simić Snežana
Publikováno v:
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, Vol 2019, Iss 119, Pp 233-252 (2019)
Grasslands are a major player in the global carbon cycle, although carbon stocks in grasslands are influenced by human activities and natural disturbances. The aim of this study is to determine differences in carbon stock on two test areas of gras
Externí odkaz:
https://doaj.org/article/827d8e9a5166488bb3002f5ebc39efdc
Flood impact on soil properties and the local community: Study area of the Kolubara river flood zone
Autor:
Miljkovic Predrag, Todosijević Mirjana, Beloica Jelena, Čakmak Dragan, Milčanović Vukašin, Kadović Ratko, Belanović-Simić Snežana
Publikováno v:
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, Vol 2016, Iss 114, Pp 103-118 (2016)
Floods cause soil degradation, leading to a reduction in agricultural production, which interacts with the socio-cultural, economic and natural environment. The frequency of flood events may be due to synergistic actions of all factors both natura
Externí odkaz:
https://doaj.org/article/d41725f1d1394e7b9210f54534644a78
Autor:
Čakmak Dragan, Beloica Jelena, Perović Veljko, Kadović Ratko, Mrvić Vesna, Knežević Jasmina, Belanović Snežana
Publikováno v:
Archives of Environmental Protection, Vol 40, Iss 2, Pp 137-148 (2014)
Acidification, as a form of soil degradation is a process that leads to permanent reduction in the quality of soil as the most important natural resource. The process of soil acidification, which in the first place implies a reduction in soil pH, can
Externí odkaz:
https://doaj.org/article/3f3e1a0618c54d77beb71747af441026
Autor:
Čakmak Dragan, Sikirić Biljana, Beloica Jelena, Belanović-Simić Snežana, Perović Veljko, Mrvić Vesna, Saljnikov Elmira
Publikováno v:
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, Vol 2014, Iss 109, Pp 49-62 (2014)
The process of soil acidification means, above all, a reduction of soil solution pH. It can be the result of slow, years-long natural process or considerably accelerated due to a combination of natural processes and anthropogenic influences. Acidi
Externí odkaz:
https://doaj.org/article/435cd78c925140209242230ee01c2ff8
Autor:
Belanović Snežana, Čakmak Dragan, Kadović Ratko, Beloica Jelena, Perović Veljko, Alnaass Nuri, Saljnikov Elmira
Publikováno v:
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, Vol 2012, Iss 106, Pp 41-56 (2012)
The research presented in this paper was aimed at better understanding of the relationship between soil properties and the availability of trace elements in pasture soils. The research was conducted in several localities of Stara Planina mountain (Ba
Externí odkaz:
https://doaj.org/article/917a1fd8a90f4127b64b8c787f789851
Autor:
Mrvić Vesna, Čakmak Dragan, Sikirić Biljana, Nikoloski Mile, Delić Dušica, Belanović Snežana, Beloica Jelena
Publikováno v:
Ratarstvo i Povrtarstvo, Vol 49, Iss 3, Pp 257-262 (2012)
The results show that solution pH in different soils decreased unevenly with rates of acid. Total aluminium has a tendency to gradually increase from pH 6.0 to about 4.0, and then Altot is abruptly released. Almono occurs in soils of pH 5.5 and lower
Externí odkaz:
https://doaj.org/article/e255e2aac25842d684edd8ef8f30d90f
Autor:
Mrvić Vesna, Kostić-Kravljanac Ljiljana, Zdravković Mirjana, Koković Nikola, Perović Veljko, Čakmak Dragan, Nikoloski Mile
Publikováno v:
Ratarstvo i Povrtarstvo, Vol 48, Iss 1, Pp 189-194 (2011)
The primary objective of the present study was to point out different approaches to background limits assessment. The content of selected trace elements is relatively low, and elements have right-skewed asymmetrical distribution, with high dispersion
Externí odkaz:
https://doaj.org/article/dc117300e27e4405a75140e13e14ea36
Autor:
Mrvić Vesna V., Kostić-Kravljanac Ljiljana M., Zdravković Mirjana S., Brebanović Branka Ž., Čakmak Dragan B., Sikirić Biljana B., Saljnikov Elmira R.
Publikováno v:
Journal of Agricultural Sciences (Belgrade), Vol 55, Iss 2, Pp 157-163 (2010)
The objective of the present study was to point out different approaches for background limits assessment of Zn and Hg. Background limits obtained by graphical methods (cumulative probability plot-CDF and boxplot) were similar for Zn (about 100 mg/kg
Externí odkaz:
https://doaj.org/article/fb211f7a9fa2451bac552c382d79e73c
Publikováno v:
Journal of the Serbian Chemical Society, Vol 73, Iss 6, Pp 673-680 (2008)
Exchangeable aluminium (AlKCl) and CaCl2-extractable aluminium (AlCaCl2) have approximately the same value in the prognosis of detrimental effect on plants. Additional, more in-depth research should show which of the two applied methods of exchangeab
Externí odkaz:
https://doaj.org/article/cee80f70ec694464ac4df03e72315c88