this study aimed to identify the factors influencing adoption of integrated pest management (ipm) technologies by paddy farmers in sari county of iran. a sample of 260 farmers who selected randomly, participated in this study through a survey questionnaire. findings of the study revealed a statistically significant positive correlation between adoption of ipm technologies and farmers’ participa...

agricultural extension workers’ service has been placed as the central pattern of agricultural transformation in general and smallholder farmers in particular. due largely to this commensurately known trend, identifying factors that determine farmers’ access to extension workers’ service and the effect of the service on crop yield was found to be imperative. cross sectional data was collected t...

Nowadays the growth of deserts is one the most important problems in Iran. This phenomenon has many reasons such as growth of population, global changes in the climates and many undesirable consequences such as the erosion of agricultural soils and immigration of rural people to urban regions mainly to the capital of Iran, Tehran. Isfahan province is one of the semi-arid and desert regions in t...

The formation of the head and trunk-tail organizers in the dorsal marginal zone (DMZ) of an amphibian embryo is thought to require spatial and temporal interactions between the Nieuwkoop center and the DMZ. Recent studies of the Xenopus embryo suggested that intra-DMZ interaction is also needed to establish the regional specificity of the DMZ. However, it is not yet clarified when and how the f...

the main purpose of this research was to investigate the factors influencing on computer attitudes of agricultural extension agents. the target population consisted of all extension agents of agricultural engineering and council services companies in kermanshah township (n= 85).  a sample of 70 agents was selected through a stratified random sampling. based on the results, the majority of agent...

Netrin1 has been proposed to act from the floor plate (FP) as a long-range diffusible chemoattractant for commissural axons in the embryonic spinal cord. However, netrin1 mRNA and protein are also present in neural progenitors within the ventricular zone (VZ), raising the question of which source of netrin1 promotes ventrally directed axon growth. Here, we use genetic approaches in mice to sele...