Water for agriculture : facing the limits
Postel, Sandra
Water for agriculture : facing the limits - Washington : Worldwatch Institute , 1989. - 54p. : ill. ; 24cm.
Irrigation
IRA HD1714.P6
Water for agriculture : facing the limits - Washington : Worldwatch Institute , 1989. - 54p. : ill. ; 24cm.
Irrigation
IRA HD1714.P6