high efficiency and uniformity of water and fertilizer application are usually, considered as the ultimate goals of an appropriate design and management of irrigation and fertigation systems. the objective followed in this paper was to present a simulation-optimization model for alternate vs. conventional furrow fertigation. two simulation models (surface fertigation and swms-2d models) along w...

Drawing on a participatory study of the Perplex City alternate reality game, this paper considers the data obtained through participation and a detailed survey of the most engaged players, in order to determine the most engaging features and suggest methods for their transfer to educational contexts. Originally presented at a conference in 2008, this paper returns to the source data in more det...

The following figures may be of some interest and value towards settling the question whether jail dysentery is mainly of the amoebic or bacillary type. They were collected in Sylhet jail which, like many of the other jails of Bengal and Assam, regularly has a high admission rate for dysentery. It is a large district jail with a population of between 600 and 700. Facilities for bacteriological ...