1. 20.12.2007 Pest management Ecological pest management Traditional ecological management of late blight in potato The theory of trophobiosis in pest and disease control Plant clinics for healthy crops Rats - an ecologically-based approach for managing a global problem Changing the strategies of Farmer Field...
  2. 01.01.1990 This report examines seed potato systems in developed countries using the case-studies of three important seed potato-producing countries; the Netherlands, Canada and Great Britain. It compares different systems with an emphasis on the nature of the institutional structure. Seed potato production...