"Guidelines for Soil Description issued by the FAO: table 22,2"@en . "SaltThickness"@en . . _:b11779 . _:b11779 . _:b11780 . _:b11780 . _:b11781 . _:b11781 . _:b11781 . _:b11781 . _:b11780 . _:b11779 . _:b11779 . _:b11780 . .