Browsing 3. Scientific Journals / Naučni i stručni časopisi by Title
Now showing items 61-80 of 405
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Computer Program for Cost Estimation of Agricultural Machines
A user-friendly computer program is developed in Visual Basic environment to determine the all types of machinery costs on hour and hectare basis. The program is also capable to compute breakeven area and time of use of ... -
Concentrations of Heavy Metals in NPK Fertilizers Imported in Serbia
Concentrations of Pb, Cd, Cu and Mn in sixteen NPK fertilizers imported and widely used in Serbia were determined by flame atomic absorption spectrometry (AAS). The results show that contents of heavy metals varied ... -
Control of Green Apple Aphid (Aphis pomi De Geer) in Organic Apple Production
The efficacy of different methods for controlling populations of green apple aphid (Aphis pomi De Geer) in organic apple orchard was compared over three consecutive years. The following three control methods were tested: ... -
Control of winter forage pea diseases by pea-oat intercropping under field conditions
A field experiment was conducted at the experimental field of the Institute of Field and Vegetable Crops in Novi Sad to investigate the effect of forage winter pea and winter oat intercropping on ascochyta blight and ... -
Control of Xanthomonas campestris pv. phaseoli on Bean Using Copper Compounds and a Plant Activator
The efficacy of several new formulations of copper compounds, namely Cuprozin 35 WP (copper-oxychloride), Cuproxat (copper-sulphate), Funguran OH (copper-hydroxide) and the plant activator Bion (acibenzolar-S-methyl), ... -
Correlation of deoxynivalenol and zearalenone production by Fusarium species originating from wheat and maize grain
A total of 39 Fusarium graminearum, F. sporotrichioides, F. semitectum and F. equiseti isolates, originating from wheat and maize samples collected at 10 locations in Serbia, were analyzed by ELISA method for their ... -
Cost Assessment of the Combined Rainwater Harvesting with Solar Irrigation
Water availability is becoming acute in all over the world. Increased water demands have generated interest in different systems. Rainwater harvesting is one of the promising way to meet water demand for agricultural ... -
Cyclic Ketoenols – Acaricides and Insecticides with a Novel Mode of Action
Modern crop protection industry puts great efforts into the investigation and development of pesticides (insecticides, acaricides) with a novel mode of action, primarily because of increasingly important problem of ... -
Damage Caused by White Snail Cernuella virgata (Da Costa) to Green Onion Crop
Damage caused by the white snail Cernuella virgata (Da Costa, 1778) was for the first time observed in vegetable crops in Serbia during the summers of 2011 and 2012. In this country, serious damage to vegetable crops is ... -
Design and Development of Pulverizing Attachment to Cultivator
In tillage, active and passive tillage tools used in India faces problem like, poor soil-tire interface, clod formation, compaction due to heavy traffic and timeliness in operation. Hence, it was planned to fabricate a ... -
Design and Development of Self Propelled Walk Behind Finger Type Cotton Stripper
In India, cotton is still picked manually by ladies pickers. Shortage of labor availability for cotton picking on farms results delayed picking of cotton crop and loss in term of cotton production. Commercially available ... -
Design of Flood and Drain Vertical Hydroponic System
The study was conducted by installing the Flood and Drain Vertical Hydroponic System for cultivating Chinese leafy vegetable Pak-choi (var. Choko) of family Brassicaceae. The system was designed in the department of ... -
Detection of Colletotrichum acutatum Latent Infections in Strawberry Petioles and Leaves
Colletotrichum acutatum is the most significant agent of anthracnose strawberry fruit rot. Besides being a necrotrophic pest, it can spend a part of its life cycle as an epiphyte, in a form of latent infection. The ... -
Determination of Active Ingredient Content Based on Correlation with Dry Content in Suspension Concentrates
The possiblity of determining contents of active ingredients based on their correlation with dry conent in suspension concentrates was investigated. Five suspension concentrate products were tested: Atrazin SC, Prometrin ... -
Determination of Allelopathic Effect of Some Invasive Weed Species on Germination and Initial Development of Grain Legume Crops
During the 2006-2007 period, the allelopathic effect of cold water extracts from Amaranthus retroflexus L., Chenopodium album L., Erigeron canadensis L. and Solanum nigrum L. on seed germination and initial development ... -
Determination of Atrazine, Acetochlor, Clomazone, Pendimethalin and Oxyfluorfen in Soil by a Solid Phase Microextraction Method
A solid phase microextraction (SPME) method for simultaneous determination of atrazine, acetochlor, clomazone, pendimethalin and oxyfluorfen in soil samples was developed. The method is based on a combination of conventional ... -
Determination of Copper-Based Fungicides by Flame Atomic Absorption Spectrometry Using Digestion Procedure with Sulfuric and Nitric Acid
Copper-based fungicides can be effectively digested by treatment with a mixture of concentrated sulfuric and nitric acid in exactly 15 minutes for the rapid determination via copper using flame atomic absorption spectrometry ... -
Determination of linuron in chamomile by LC-MS/MS using the QuEChERS extraction method
Linuron is a selective herbicide used for the control of broadleaf weeds. Its mode of action is the inhibition of photosynthesis. The QuEChERS method for extraction of linuron residues from chamomile was used. The LC–MS/MS ... -
Determination of Resistance Levels of Myzus persicae (Sulzer) by Biochemical Methods
Peach/potato aphid Myzus persicae (Sulzer) has developed three mechanisms of resistance: overproduction of one or two closely related carboxylesterases (E4 and FE4), production of modified acetylcholinesterase (MACE and ... -
Development and Comparative Study of Cast Iron Rasp Bar and Nylon Rasp Bar Threshing Cylinders for Paddy Threshing
Two types of threshing cylinders, namely cast iron rasp bar threshing cylinder and nylon rasp bar threshing cylinder, were developed and fitted with portable paddy thresher. Each threshing cylinder was tested for its ...