1. 01/01/1989 Questa carta č una di una serie pubblicata da Volontarii in Assistenza Tecnica per provvedere un introduzione alle tecnologie all'avanguardihe e specifiche di interesse a persone in paesi in sviluppo. Si intende che le carte siano usate come orientamenti, aiutare persone a scegliere thechnologies...
  2. 20/04/2014 There is no doubt in my mind that West African farmers want development if that means, among other things, more productive farming. Of course they would rather harvest seven than three sacks of sorghum per hectare. If that is so, why do so many choose not to engage in development projects that...
  3. 20/01/2013 “Farmers near Kabale in Kenya describe traditions, now considered superstitious, that certain euphorbias cause cancer when planted near the homestead.” Now the carcinogenic effects of one common living fence species,Euphorbia tirucalli, have been described. The active carcinogen has been found...