stand establishment in crusting soil is one of the main concerns in the production of crops with delicate seedlings such as cotton, onions and rape seed. crust breaking, maintaining soil moisture and adding chemical and organic amendments to soil are different methods to weaken soil strength and allow the shoots to emerge. these methods are not always successful because they depend on factors s...

b a ckground: the objective of this study was to assess the epidemiological characteristics of a new emerging focus of cutaneous leishmaniasis (cl) in southern villages of bam district, southeastern iran, 2010. m e t hods: a house-to- house census survey of 5544 individuals were interviewed and physically examined for the presence of active lesions or scars. diagnosis was confirmed by direct sm...

Stroke experts discuss developments and challenges associated with stroke care, including the need to improve post-discharge services emergence of COVID-19-related stroke.

Abstract Patterns and processes emerge unbidden in complex systems when many simple entities interact. This overview emphasizes the role of networks emergence, notably network topology, modules, motifs, critical phase changes, dual-phase evolution. Several driving mechanisms are examined, including percolation, entrainment, feedback. The account also outlines some modelling paradigms methods us...

jimsonweed (datura stramonium l.) is an important weed in bean fields in iran. in order to investigate the effect of density and relative time of emergence of jimsonweed on yield and yield components of chitti bean, a field study based on factorial experiment was conducted at farm bean research national station in khomein in 2006. treatments were chosen to provide four different weed densities ...

efficacy of many herbicides to control broad- and narrow-leaf weeds (grass weeds) in tobacco fields of mazandaran and guilan provinces was investigated. the experiment was randomized complete blocks design in four replications and the following treatments: eptam (eradicane 82% ec) at 6 l.ha-1 which incorporated pre-planting (ppi), trifluralin (treflan 48% ec) at 2 l/ha ppi, cycloate (roneet 72....