Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Ranko Koprivica"'
Autor:
Ranko KOPRIVICA, Biljana VELJKOVIĆ, Jan TURAN, Dušan RADIVOJEVIĆ, Srećko ĆURČIĆ, Zoran MILEUSNIĆ, Igor BALALIĆ
Publikováno v:
Proceedings on Engineering Sciences, Vol 1, Iss 1, Pp 518-525 (2019)
Knowing the coefficient of friction of bio material is important in determining the angle of the grain elevator elevator when designing combines, as well as the angles of gravity tables and pipes in seed finishing. The basic characteristic of biologi
Externí odkaz:
https://doaj.org/article/1b87a30f3da04d25acf9fe3f408fa41f
Publikováno v:
Journal of Central European Agriculture, Vol 19, Iss 3, Pp 658-677 (2018)
Milk production in Serbia is characterized by small surface of production and a large number of small family farms. For rural areas where this production is mostly carried out economic profitability of production contributes to becoming a family busi
Externí odkaz:
https://doaj.org/article/368f077a1f6d4ad79e109e381d618bc8
Publikováno v:
Ekonomika Poljoprivrede (1979), Vol 59, Iss 3 (2012)
The aerobic treatment of solid manure increases the content of total and easily available amounts of N, P2O5, K2O by 3.76 times on average in comparison with raw solid manure, and makes the maturation time eight time as short, which is significant fo
Externí odkaz:
https://doaj.org/article/fa856cb3b16f44b1a0e2b253ee5fa382
Publikováno v:
Ekonomika Poljoprivrede (1979), Vol 56, Iss 3 (2009)
Farmers associations can be used as models for improving farming conditions in upland regions. This study highlights some of the advantages and good practises of farmer associations and provides examples of successful associations operating in the cl
Externí odkaz:
https://doaj.org/article/58f6494a01374e8eb7fd32ee5d801ba1
Autor:
Ranko Koprivica, Marko Marić, Stefan Zečević, Biljana Veljković, Marija Gavrilović, Dragan Terzić
Publikováno v:
Poljoprivredna tehnika. 48:56-65
In the paper, using the example of "Zlatibor Ecoagrarian", in the machinery ring "Agrotechnical Center", the analysis of the operating costs of mechanization and the calculated service price of plowing (without VAT) are shown, all with the aim of opt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f9fa3214cff059d0b3b8a12f6fbc6c0
https://doi.org/10.5937/poljteh2301056k
https://doi.org/10.5937/poljteh2301056k
Autor:
Biljana Veljković, Ranko Koprivica, Marija Gavrilović, Aleksandar Šiljić, Vera Rašković, Nemanja Stošić, Dragan Terzić
Publikováno v:
Acta agriculturae Serbica. 27:67-72
An economic analysis of field crop (wheat, corn, triticale and sunflower) production on a family farm, representing a case-study average farm, during one production year involved calculation of production costs, gross margin, economic efficiency and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::044279b2948723c94f68b41510b6b42b
https://doi.org/10.5937/aaser2253067v
https://doi.org/10.5937/aaser2253067v
Autor:
Violeta Oro, Vera Rajičić, Ranko Koprivica, Jasmina Milenković, Dragan Terzić, Dragoslav Đokić, Sanja Živković
Publikováno v:
Journal on Processing and Energy in Agriculture. 25:32-35
The paper presents the results of the cleaning process of five different lots of natural alfalfa seeds and five different lots of natural red clover seeds. Natural alfalfa and red clover seeds had 75 % to 77 % purity. The experiment was performed in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2899e20aa03c7613f3032fd209c5713b
https://doi.org/10.5937/jpea25-30920
https://doi.org/10.5937/jpea25-30920
Autor:
Goran Topisirovic, Miloš Božić, Biljana Veljkovic, Simeon Rakonjac, Dušan Marković, Vojislav Vujičić, Dušan Radivojević, Ranko Koprivica
Publikováno v:
Poljoprivredna tehnika. 46:1-10
During the manipulation of hen eggs from the farm to the consumer due to action of external forces and weak mechanical strength of shell, the eggs break. The goal of egg producers is to reduce losses when breaking eggs during the production and place
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1742794468e46de38718c1121bd22e11
https://doi.org/10.5937/poljteh2102001k
https://doi.org/10.5937/poljteh2102001k
Autor:
Ranko Koprivica, Biljana Veljković, Marija Gavrilović, Aleksandar Šiljić, Vera Rašković, Nemanja Stošić, Dragan Terzić, Dragoslav Đokić
Publikováno v:
Poljoprivredna tehnika. 46:74-83
The equipment and engagement of tractor and attached machines were examined on the example of the average family farm Šiljić in Serbia. The research was performed on a registered agricultural farm in the village of Selevac, municipality of Smederev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6abc1a78a593a3f01db612f77dfeb2a2
https://doi.org/10.5937/poljteh2104074k
https://doi.org/10.5937/poljteh2104074k
Autor:
Simeon Rakonjac, Vojislav Vujičić, Miloš Božić, Dušan Marković, Biljana Veljkovic, Ranko Koprivica, Dragoslav Đokić, Dušan Radivojević
Publikováno v:
Journal on Processing and Energy in Agriculture. 25:82-85
The aim of this study was to design and apply the measuring acquisition system, or a device for determining the limit values of eggshell stress using the puncture method. This study focused on class "L" eggs produced on a laying hen farm in the vicin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f89ea420713bdf4f33768b8ca6c758e1
https://doi.org/10.5937/jpea25-32280
https://doi.org/10.5937/jpea25-32280