to compare the effects of different weed management methods on seed bank of weeds grown in sugar beet (beta vulgaris l.), a field experiment was conducted at the agricultural research station, ferdowsi university of mashhad, iran, during 2006, 2007 and 2008. the experiment designed as a complete randomized block with three replications. the treatments including: disk+ fhenmedifham, disk+ fhenme...

Vegetation growing on the surface of a streambank has been shown to alter the shear stresses applied to the boundary, but basic questions remain regarding the influence of vegetation and streambank configurations on near-bank hydraulics. In the present study, Froudescaled flume experiments were used to investigate how changes in vegetation density (ratio of frontal area to channel area, includi...

Compensation of bank CEOs increases after mergers, suggesting that executives may engage in acquisitions to enjoy size-related personal benefits (Bliss and Rosen, 2001). Alternatively, bank mergers can be viewed as the efficient assignation of merged assets to the managerial team best suited to realize merger gains. Theories of executive compensation based on managerial productivity and optimal...

We examine the effect of house price appreciation on bank loan portfolios during the 1996—2006 period. While most previous research in this area has concentrated on loan demand effects, we evaluate how house prices affect a bank’s credit supply. Controlling for possible simultaneity between house prices and bank loan portfolio growth, we find that banks affected by greater house price appreciat...