This article develops a forestry model to obtain the optimal control strategy and optimal rotation length after a disease attacks in a perennial variety. Three cases are considered: a benchmark consisting of a disease-free field, an identical field with the disease present but no resistant variety with which to replant, and an identical field with the disease present and a resistant variety wit…

We the Media, has become something of a bible for those who believe the online medium will change journalism for the better. -Financial Times Big Media has lost its monopoly on the news, thanks to the Internet. Now that it's possible to publish in real time to a worldwide audience, a new breed of grassroots journalists are taking the news into their own hands. Armed with laptops, cell phones, a…