Browsing 3. Scientific Journals / Naučni i stručni časopisi by Title
Now showing items 347-366 of 405
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Screening Test for Detection of Leptinotarsa decemlineata (Say) Sensitivity to Insecticides
In 2009, the sensitivity of 15 field populations of Colorado potato beetle (Leptinotarsa decemlineata Say.) - CPB was assessed to chlorpyrifos, cypermethrin, thiamethoxam and fipronil, four insecticides which are mostly ... -
The Selected Problems of the Study on the Quality of Mineral Fertilizer Sowing with Disc Spreaders
The aim of this study was the influence of working parameters of mineral fertilizer on quality of sowing. The application of fertilizers is conducted with a particular accuracy, mainly characterized by a variation coefficient ... -
Selection of Material and Heat Treatment Cycle for Wear Reduction in Oil Palm (Elaeis Guineensis) Harvesting Knives
Harvesting of oil palm is a tedious and labor intensive work. Nonavailability of proper tool increases the severity of the problem. Knives used for harvesting the oil palm are either imported or made by local artisans ... -
Selectivity of Some Herbicides to Perennial ryegrass (Lolium perenne L.), Grown for Seed Production
During the period 2008-2010, on the experimental field of the Institute of Forage Crops – Pleven, on slightly leached chernozem a study was conducted with the purpose to determine the selectivity of some herbicides to ... -
Selectivity of Some Herbicides to Standard Wheatgrass (Agropyron desertorum (Fisch.) Schultes) During Stand Establishment and Seed Production
A study was conducted in the experimental field of the Institute of Forage Crops – Pleven on a slightly leached chernozem soil in 2011-2012 to determine the selectivity of some herbicides to standard wheatgrass (Agropyron ... -
Selenium Based Product and Sinantrop Rodents Control in Agricultural Facilities
In the function of environment preservation, chemical product used in plant protection are being substituted by environmentally friendly substances. When it comes to rodenticides and rodents not much is done for improvement ... -
Self Propelled Spoke Wheel Nitrogen Applicator for Rice Residue Mulched Wheat Crop
In order to reduce nitrogen losses sustained in broadcasting of urea under high rice straw mulched wheat crop and to enhance crop yield, a self propelled spoke wheel nitrogen applicator for injecting nitrogen in liquid ... -
Sensitivity of Cladobotryum spp., a Pathogen of the Button Mushroom (Agaricus bisporus), to Some Fungicides
Thirteen isolates of Cladobotryum spp., isolated from diseased fruiting bodies of Agaricus bisporus, sampled from mushroom farms in Serbia during 2003-2006, were studied. Sensitivity to several selected fungicides was ... -
Sensitivity of Monilinia laxa (Ader. & Ruhl.) to Fungicides Having Different Modes of Action
Sensitivity of five M. laxa isolates from mumified plum fruits was tested to benomyl, iprodione, trifloxystrobin, tebuconazole and pyrimethanil. Mycellia growth inhibition on growth medium was monitored and susceptibility ... -
Sensitivity of Phytophthora infestans (Mont.) de Bary Isolates to Fluazinam, Fosetyl-Al and Propamocarb-hydrochloride
A survey of in vitro sensitivity of twelve isolates of the Phytophthora infestans to the fluazinam, fosetyl-Al and propamocarb-hydrochloride was conducted. The isolates were isolated from infeceted potato leaves collected ... -
Sodium selenite as a new rodenticide
Rodents are the most destructive group of small mammalian pests considering the overall damage that they cause by feeding and other activities, or as vectors of many disease agents. In practice, chemical rodenticides ... -
Soil Moisture Influence on the Energy of Agricultural Processes
This article exposes the results related to one of the issues left open after a series of articles mentioned in the bibliography, which occurred in the years 2011-2013. A series of articles that were mentioned before ... -
Solid Phase Microextraction (SPME) in Determination of Pesticide Residues in Soil Samples
The basic principles and application possibilities of the methods based on solid phase microextraction (SPME) in the analysis of pesticide residues in soil samples are presented in the paper. The most important experimental ... -
Some Constraints on the Application of Methods for Drain Spacing Determination in Unsteady-State of Flow in Eugley Soil
The aim of this research was to figure out certain limitations of methods for drain spacing determination application in unsteady-state of flow rate to the drains in the eugley soil. The well-known Glover-Dumm method was ... -
Spectral Analysis for Monitoring Crop Growth Using Tractor Mounted Spectroradiometer and Hand Held Greenseeker In Cotton
Remotely sensed spectral vegetation indices are widely used and have benefited numerous disciplines interested in the assessment of biomass, water use, plant stress, plant health and crop production. Tractor mounted ... -
Spectroscopic Approach of Winter Wheat (Triticum Aestivum L.) Nutrition and Pest Control
Laboratory reflectance spectroscopy is a routine evaluation technique in many scientific areas. The objective is to present the capabilities of a portable spectro-radiometer which can be used both for field and laboratory ... -
The spreading of Alfalfa mosaic virus in lavandin in Croatia
A survey was conducted in 2012 and 2013 to detect the presence and distribution of Alfalfa mosaic virus (AMV) in lavandin crops growing in continental parts of Croatia. A total of 73 lavandin samples from six crops in ... -
Stator and Rotor Power of the Doubly-Fed Asynchronous Generator Applied in Wind Power Plants
Due to the stochastic nature of the wind, doubly-fed asynchronous generator can be used effectively in the process of transforming wind energy into electrical energy, especially for the case of higher power. A special ... -
The Status of Erwinia amylovora in the Former Yugoslav Republics over the Past Two Decades
Erwinia amylovora, the causal agent of fire blight (FB) on fruit trees and ornamental plants, rapidly spread across eastern Mediterranean countries in the early 1980s. This quarantine bacterium probably arrived in the ... -
Storage Stability Studies on Vitamin A Fortified Sunflower (Helianthus annuus) Oil
Fortification of foods is a well sighted path for solving nutritional problems in developing society. Common vegetable oil such as sunflower oil was utilized for fortification with Vitamin A. The objective of this study ...