Претраживање
Приказ резултата 11-20 од 117
Uloga integralnih sistema suzbijanja korova u konceptu održive poljoprivrede, I deo - opšti i biološki aspekti integralnih sistema suzbijanja korova
(Herbološko društvo Srbije, 2000)
U radu su iznete osnovne pretpostavke tranzicije ka savremenim integralnim sistemima suzbijanja korova u okviru koncepta održivog razvoja poljoprivrede. Savremeni sistemi zemljoradnje i tehnologije gajenja glavnih ratarskih ...
Identification of inbreeds as donors of favorable alleles for grain yield in the elite hybrid ZPE25-10-1 X B84 of maize / Identifikacija inbred linija donora poželjnih alela za prinos elitnog hibrida kukuruza ZPE25-10-1 x B84
(Društvo selekcionara i semenara Republike Srbije, Beograd, 2000)
The aim of this study was to determine which of six inbreeds that were investigated could be the donor of the favorable alleles for grain yield and its components ear diameter and number of kernels in a row. The trial ...
Influence of udder disinfection after milking to the change of pathogenic microflora of udder and to the occurrence of mastitis in cows / Uticaj dezinfekcije vimena posle muze na promene patogene mikroflore vimena i pojavu mastitisa krava
(Institut PKB Agroekonomik, Padinska skela, 2000)
By application of preventive measures in control of mastitis transmission and appearance of new infections of mammary gland are prevented, what influence to the decrease of economic looses in milk production. By the method ...
Recent advances in using supplements in cattle feeding / Novija saznanja o korišćenju dodataka u ishrani goveda
(Institut PKB Agroekonomik, Padinska skela, 2000)
This review considers using different supplements in feeding the most sensitive categories of cattle with high genetic potential, cows in postpartal period and calves in the first few weeks of age. There are discussions ...
Influence of NATO bombarding on the stratospheric and tropospheric ozone and environment of Yugoslavia / Uticaj NATO bombardovanja na stratosferski i troposferski ozon i životnu sredinu u Jugoslaviji
(Savez hemijskih inženjera, Beograd, 2000)
By his presence and activity, man exerts an influence on and disturbs the natural equilibrium. In the case of some chemical synthetic compounds, this influence may not only be great, but tragic. The decrease of the ...
The application of atomic absorption spectrophotometry (AAS) for determination of the content of heavy metals in food products the in lacquered tinplate tins are filled with / Primena metode atomske apsorpcione spektrofotometrije (AAS) za određivanje sadržaja teških metala u prehrambenim proizvodima kojima su napunjene konzerve od lakiranog belog lima
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2000)
Due to possibility of contamination of food products caused by a rapid pollution of environment, as a consequence of incidents and accidents, it is necessary to exert a regular and systematic control of the content of heavy ...
Effects of abiotic factors on the occurrence and development of plant diseases / Uticaj abiotskih činilaca na pojavu i razvoj biljnih bolesti
(Institut PKB Agroekonomik, Padinska skela, 2000)
Factors of the environment where a host plant develops and grows permanently effect the beginning, development, course and, what is even more important in agricultural practice, intensity and harmfulness of a particular ...
Immobilization of yeast cells in small alginate beads using electrostatic droplet generation / Primena postupka elektrostatičke ekstruzije pri dobijanju alginatnih čestica malih dimenzija sa imobilisanim ćelijama pivskog kvasca
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad, 2000)
In beer brewing with immobilized yeast cells it is very important to minimize the mass transfer resistance, problem associated with large diameter beads, because the mass transfer limitations may force the cells to alter ...
Air pollution as result of photooxidants (ozone) originated in the troposphere / Zagađivanje vazduha kao rezultat nastajanja fotohemijskih oksidanata (ozona) u troposferi
(Zavod za zaštitu prirode, Beograd, 2000)
Ozone (O3) and peroxideacetyl-nitrate are the significant photooxidants. Tropospheric ozone, together with mixture of gases of nitrogen oxide NOX (N2O, NO, NO2), carbonhydrid (CH), SO2 and formaldehyde which are released ...
A sensitivity study of land-air parameterization scheme (LAPS) / Testiranje osetljivosti seme za parametrizaciju površinskih procesa (LAPS)
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2000)
The sensitivity analysis of LAPS presented in this paper is undertaken to identify those vegetation parameters and input data which, when modified, produce the greatest changes in values of the simulated surface fluxes. A ...