For example: n Irrigation headworks, main canals, and whole distribution systems have been renovated to minimize water loss. n Irrigators are encouraged to switch from less-efficient gravity systems to moreefficient sprinkler systems or to highly efficient drip or trickle systems. n Some irrigators are converting saline land back to dryland. n Governments and industry are conducting research and demonstration projects to determine the applicability of new
La quantité autorisée est souvent de beaucoup supérieure aux prélèvements effectués une année moyenne.