Robuta

https://repositorio.ufla.br/items/1207bb4c-0722-4d4d-bc79-9af2b8d2bdb3 Cemented horizons and hardpans in the coastal tablelands of Northeastern Brazil Horizons with varying degrees of cementation are a common feature of the soils from the coastal tablelands of Northeastern Brazil. In most cases, these... in thenortheastern brazilcementedhorizonshardpans