"Guidelines for Soil Description issued by the FAO: table 39"@en . _:b10515 . _:b10518 . _:b10520 . _:b10522 . "CarbonatesForms"@en . _:b10520 . _:b10518 . _:b10523 . _:b10519 _:b10515 . . _:b10522 . _:b10523 . _:b10522 . _:b10523 . . _:b10522 . _:b10518 _:b10519 . _:b10518 . _:b10523 . _:b10515 _:b10520 .