Nowadays, agricultural R&D provides new and developed technologies to create modern agricultural producing methods. During recent years, improving agricultural productivity is affected by not only domestic R&D investments but also foreign countries R&D investments. Nowadays, according to new...

Iran due to its unique condition in terms of tourist attraction and because of the specific location and a variety of natural resources and human Phenomena, that different regions of the country including Guilan province has a typical position in terms of tourism which attracts a lot of...