this research was conducted in the west forest of guilan, northern iran. data from various harvesting methods for 20 years were collected. results showed that, productivity rate of round wood, pulp wood and fuel wood has had an upward trend, while rate of traditional products (lumber, sawn wood, charcoal, etc.) has had a downward trend. production cost has been investigated in this research. th...

Article history: Received 30 May 2011 Received in revised form 18 October 2012 Accepted 22 October 2012 Available online xxxx Cross-pollination can be caused by birds, insects and wind. Genetically modified (GM) seeds are produced each year in a controlled environment to maintain their purity. However, pollen from the GM crop can be transferred to traditional crops. When the GM crop producers a...

The aim of this study was to define various traditional dairy products most widely consumed in Africa and Algeria. In this study, we provided examples of these products along with their production and fermentation procedures. Fermented foods are the primary source of nutrition for rural and urban communities. In Algeria, cheese is still made in the traditional way at the family level. The Jben ...