Претраживање
Приказ резултата 1-10 од 34
Aphidiinae (Hymenoptera: Braconidae) of Serbia and Montenegro: Tritrophic interactions / Aphidiinae (Braconidae: Hymenoptera) Srbije i Crne gore - tritrofičke interakcije
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2012)
This study brings a list of original data of parasitic wasps from the subfamily Aphidiinae collected on the territory of Serbia and Montenegro associated with their aphid hosts and plants. Twenty-three genera and 122 species ...
The use of GIS methodology in jumping plant lice (Hemiptera: Psylloidae) studies in Serbia / Primena GIS metodologije u istraživanjima lisnih buva (Hemiptera: Psylloidea) u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2012)
Entomofaunistic studies contain a large number of data regarding the number of collected species, the number of individuals within species, time of collection, localities, species biology and morphology natural enemies and ...
Weather swap as an instrument for weather risk management in wheat production / Vremenski svop kao instrument za upravljanje vremenskim rizicima u proizvodnji pšenice
(Institut za ratarstvo i povrtarstvo, Novi Sad, 2012)
A special type of weather derivatives are weather forwards and they exists mostly in the form of weather swaps. Hedging effectiveness in wheat production with and without weather swap was analyzed in this paper using ...
Application of controlled release glass in the production of French marigold (Tagetes patula L.) / Primena stakla sa kontrolisanim otpuštanjem hranljivih elemenata u proizvodnji rasada kadifice (Tagetes patula L.)
(Institut za ratarstvo i povrtarstvo, Novi Sad, 2012)
This paper investigates the possibility and justification of controlled release glass application as a new ecological material in the production of plants-seedlings of French marigold (Tagetes patula L.). During the ...
Checklist of the Eriophyoid mite fauna of Montenegro (Acari: Prostigmata: Eriophyoidea) / Spisak vrsta faune Eriofida Crne Gore (Acari: Prostigmata: Eriophyoidea)
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2012)
Accounts are given of the eriophyoid fauna of Montenegro. Based on the literature records, a total of 156 mite species are listed from 130 host species of 42 plant families. The families Phytoptidae, Eriophidae and ...
The weak congruence representability of sublattices and suborders of representable lattices
(Univerzitet u Novom Sadu - Prirodno-matematički fakultet - Departman za matematiku i informatiku, Novi Sad, 2012)
In this paper we introduce a new direction in the investigations of the open problem of the representation of algebraic lattices by the weak congruence lattices. In some cases the representability of some lattice follows ...
Growth and yield characteristics of new apple cultivars / Karakteristike rasta i rodnosti novijih sorti jabuke
(Naučno voćarsko društvo Srbije, Čačak, 2012)
Ten relatively new apple cultivars: 'Royal Gala', 'Gala Must', 'Elista', 'Morren's Jonagored', 'Pilot', 'Pinova', 'Delbard Jubilé', 'Braeburn', 'Fuji Naga-fu 2', and 'Fuji Naga-fu 6' were studied in the region of Central ...
Income insurance in sugar beet production with weather derivatives / Osiguranje dobiti u proizvodnji šećerne repe primenom vremenskih derivata
(Institut za ratarstvo i povrtarstvo, Novi Sad, 2012)
In the past, farmers have bought insurance for protection against fluctuations in crop yields caused by weather risks. Relatively new tools for risk management in plant production are weather derivatives. Although weather ...
Effect of potato tubers origin and weight on the yield of potato variety Desiree in western Serbia / Uticaj porekla sadnog materijala i mase matične krtole na prinos krompira sorte Desiree
(Institut za ratarstvo i povrtarstvo, Novi Sad, 2012)
The aim of this study was to determine the effect of the size and weight of tubers originating from different altitudes on the yield of most commonly grown potato cultivar Desiree in western Serbia (Macva). Potato seed ...
Examination productivity of potato depending on the origin of planting material and size of seed tubers / Ispitivanje produktivnosti krompira u zavisnosti od porekla sadnog materijala i veličine semenske krtole
(Institut za zaštitu bilja i životnu sredinu, Beograd, 2012)
The aim of this study was to determine the impact of the origin of planting material and size of seed tubers, on the productive properties of most commonly grown potato cultivars Cleopatra, Jaerla, Desiree and Kennebec in ...