Volunteer potatoes are difficult to control in onions and can greatly reduce onion growth and yield. Herbicides and cultivation were evaluated for control of simulated volunteer potatoes in onions in 1996 and 2000. Three interrow cultivations did not control potatoes in the onion row and the remaining plants reduced onion yield 50 and 73% compared with the hand-weeded checks. Three applications...

The paper reports an effort made for understanding the effect of task delegation policy in a peer-to-peer volunteer computing platform. This effort includes the implementation of a simulation environment and the development of associated analytical models for the analysis of task delegation policies in peer-to-peer computing platforms. Based on the analytical model best and worst task delegatio...

In the UK, surrogacy procedures are unregulated and not monitored. Information concerning the selection and assessment of intended (the mother commissioning) and surrogate mothers (the mother carrying and delivering the baby) is therefore not generally available (BMA, 1996). It is important to determine what type of assessment is used, and how selection takes place within the organizations deal...

Increasing research and policy attention is being given to how the socioeconomic environment influences health. This article discusses potential indicators or metrics regarding the socioeconomic environment that could play a role in an incentive-based system for population health. Given the state of the research regarding the influence of socioeconomic contextual variables on health outcomes, t...

l1lere is no widely agreed upon definition of what is political. A definition that seems fruitful is to hold that political processes concern bridging power differences with s0ciety with those within the state, bridges that carry inputs both from society to the state (e.g., the results of elections) and from the state to society (e.g., Presidential speeches; legislation). l1le political realm a...

Without robust and unbiased systems for monitoring, changes in natural systems will remain enigmatic for policy makers, leaving them without a clear idea of the consequences of any environmental policies they might adopt. Generally, biodiversity-monitoring activities are not integrated or evaluated across any large geographic region. The EuMon project conducted the first large-scale evaluation ...