Columbia subject headings:
Arid regions agriculture.
Saline irrigation.
Salinity--Physiological effect.
Soils, Salts in.
Harvard subject headings:
Arid regions agriculture.
Saline irrigation.
Salinity--Physiological effect.
Soils, Salts in.
Princeton subject headings:
Arid regions agriculture.
Saline irrigation.
Salinity--Physiological effect.
Soils, Salts in.