Smallholder irrigation systems–where farm sizes generally range from a fraction of a hectare to 10 hectares–pose special management problems, especially whe

Water is critical to all human activities, but access to this crucial resource is increasingly limited by competition and the effects of climate change. In agri

Agriculture is one of the few industries that has been creating resources conti- ously from nature. Sustainability of this industry is a crucial issue at now-a-