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Now showing items 698-717 of 1004
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Performance Evaluation of CI Engine on Diesel-Ethanol-Biodiesel Fuel Blends
The studies were conducted to standardize the level of constituents to obtain stable diesel-ethanol-biodiesel microemulsions prepared using anhydrous ethanol (200° proof) and aqueous ethanol of 195°, 190°, 185°, 180° and ... -
Periphyton As Partial Replacement Of Commercial Feeds In The Culture Of Organic Tilapia In Israel
Cena hrane čini jednu od najvećih stavki u tekućim troškovima proizvodnje u akvakulturi. Usled potrebe za korišćenjem samo organskih sastojaka, cena koncentrovane hrane za uzgoj organske ribe je izuzetno visoka. Tokom ... -
Pesticide Contamination In Farmed Fish - Exposure Pathways, Bioaccumulation And Consumer Risk
U današnje vreme, globalno, proizvodnja u akvakulturi pokriva oko 50 % konzumirane ribe. Sa porastom obima proizvodnje u akvakulturi i porastom korišćenja biljnih sirovina u proizvodnji hrane za ribe, postoji potencijalni ... -
Pesticides and Arthropods: Sublethal Effects and Demographic Toxicology
Insecticides and acaricides designed to control primary harmful insects and mites may also variously affect some other arthopods present in an (agro)ecosystem (e.g. secondary pests, predators, parasitoids, saprophytes, ... -
Pesticides in Soil: Effects on Microorganisms
Since their discovery to the present day, pesticides have been an inevitable segment of agricultural production and efforts have been made to synthesize compounds that would share a required efficacy along with selectivity, ... -
The pH Value of Fungicide, Insecticide and Mineral Fertilizer Mixtures Depending on Water Quality
The paper deals with the effect of water quality on the pH value of fungicides, insecticides, mineral fertilizers and their mixtures. The fungicides propineb (Antracol WP-70) and mancozeb (Dithane M-70), insecticides ... -
Phenotypic Relation Growth Rate in Performance Test and Litter Size of Sows
In this study we investigated influence of weight gain level of gilts reached during performance test on the expression of important reproductive traits. For the purpose of research, data on the litter size from 2nd to ... -
Phylogenetic Relationship Among Intensively Farmed Carp Species Through DNA Barcodes
Many carp species have been domesticated and cultured as food all around Europe and Asia for thousands of years. Aquaculture of carp still exceeds the total amount of farmed fish volume of intensively farmed marine species, ... -
Physico-Chemical Properties of Waters in Rasina Area
The aim of the study was a preliminary examination on water quality (U01-U08) in Rasina area, through the standard physico-chemical parameters: temperature, pH, conductivity, turbidity and total organic matter. All samples ... -
Physiological Status of "Radler" Type Products as Affected by Environmental Contamination Following NATO Air Strikes on the Regions of Serbia
Beer-based drinks, 'Radler' type products in particular, arouse interest for a number of reasons. These newly produced drinks were obtained by mixing beer and soft drinks and are intended for a larger number of target ... -
Phytophthora Root and Crown Rot on Apples in Bulgaria
Phytophthora is a genus of Oomycota responsible for some of the most serious diseases with great economic impact (Judelson and Blanco, 2005). While 54 species were found in the 20th century (Erwin and Ribeiro, 1996) ... -
Phytotoxic Effects of Chlorpyrifos on Barley and Cucumber Seedlings
Under Directive 2008/105 / EC, chlorpyrifos is one of the priority water pollutants. Its presence is mainly detected by chemical methods, although bioindicators are gaining in importance. The effect of chlorpyrifos (0.05-10 ... -
Phytotoxic effects of fungicides, insecticides and nonpesticidal components on pepper depending on water quality
Modern agriculture relies on simultaneous application of fungicides, insecticides, fertilizers and adjuvants. The selection of compounds for tank-mixes has been rarely studied and it presents a risk in the application ... -
Phytotoxicity of Chlorpyrifos to White Mustard (Sinapis alba L.) and Maize (Zea mays L.): Potential Indicators of Insecticide Presence in Water
Chlorpyrifos is a hazardous insecticide and important pollutant of the environment. The EU Directive 2008/105/EC lists it as one of the priority water pollutants. Its presence is mainly detected by chemical methods but, ... -
Plants as Bio-Insecticides in the Service of the Suppression of Potato Tuber Moth in Storage
Phthorimaea operculella Zeller (Lepidoptera: Gelechiidae), is economically very important pest of potato and other solanaceous plants in the field and warehouse. Frequent and excessive use of insecticides leads to development ... -
Plasmopara obducens – a New Threat to the Production of Impatiens walleriana in Serbia
During 2010, Impatiens walleriana plants with symptoms of downy mildew were collected in a greenhouse in the vicinity of Mionica, Kolubara District. Disease incidence was extremely high, approaching 100%, and wilting and ... -
Plum pox virus strains: Diversity and geographical distribution in Serbia
Plum pox virus (PPV) is the causal agent of Sharka disease. Since its discovery, Sharka has been considered as a calamity in plum orchards. PPV is present worldwide in many Prunus species, causing great economic losses. ... -
Polylactide as Component for Green Composites Preparataion
The biodegradable linear aliphatic thermoplastic polyester poly(L-lactide) (PLA) is producible from agricultural products, such as corn. This polymer has been widely used as a biocompatible material for applications in ...