in this  cross sectional s tudy carried out in s pring and s ummer, 79 farmers  working  in different  job  pos itions including agriculture, hus bandry and horticulture in north of iran were participa ted. evaluation of the heat s tres s was conducted us ing wet bulb glob temperature (wbgt) index according iso7243 and heat s train evaluation us ing  meas uring  the  individual  phys iological ...

according to urgent need of corn to nitrogen and since this element play a main role in improving of yield corn, thus, in order to investigate the effect of different levels of urea on yield and yield components of corn 704, an experiment was conducted randomized block with three replications in cropping year of 2012. experimental treatments included six levels of urea (0, 30, 60, 90, 120 and 1...

in order to determine the appropriate plant density of spotted bean in yasouj, a field experiment was conducted in 2008 as a factorial in a randomized complete block design with three replications. three spotted bean cultivars (keshavarzi, talash and oshtori) were sown at five plant densities (10, 20, 30, 40 and 50 plant.m-2). results showed that effect of plant density, cultivar and interactio...

biological invasions form a major threat to the provision of ecosystems productsand services and can affect ecosystems across a wide spectrum of bioclimatic conditions.therefore, it is important to systematically monitor the spread of species over broad regions. ithas long been recognized that remote sensing and geographical information system couldcontribute to this capacity. this paper aims t...

drought stress is one of the important environmental factors reducing grain yield of plants in arid and semiarid regions. study the effect of water deficit stress on yield, water use efficiency and harvest index of sesame varieties, this experiment was conducted as a split plot based on a randomized complete block design with three replications, at agriculture and natural resources research cen...

to survey the effects of chemical and biological phosphorus on the yield and essential oil of satureja hortensis l. as an important medicinal plant, factorial experiment was conducted based on randomized complete block design with three replicates at research station of faculty of agriculture, urmia university in 2011. the treatments were chemical phosphorus fertilizer with four levels (0, 50, ...

to study and determine  effect of salinity on relationship between  agronomic  characteristics and grain yield, 167  of  the  seri/babax recombinant wheat inbred  lines (ril) together with two parents were evaluated using alpha latice design with two replications under two conditions (salt stress and normal), in zabol field station in 2011-12 cropping season. fourteen  traits  including: some a...

Occupational exposure to trichloroethylene (TRI) was studied by analysis of environmental air and urine from 49 workers operating in a special printing house on glass. For the measurement of environmental concentration of TRI (Cenv), the ambient air was sampled using personal passive dosimeters. The activated charcoal was desorbed with carbon disulfide and injected into a gas-cromatograph - mas...

We present an approach to searching genetic DNA sequences using an adaptation of the sufx tree data structure deployed on the general purpose persistent Java platform, PJama. Our implementation technique is novel, in that it allows us to build su x trees on disk for arbitrarily large sequences, for instance for the longest human chromosome consisting of 263 million letters. We propose to use su...