@inproceedings{inproceedings0d7d25f7,
title   = {Ammonium and ureas as nitrogen sources for bromeliads},
author = {Endres, Laurício and Mercier, Helenice},
year = {2000},
publisher = {Instituto de Biociências/USP},
booktitle   = {Congresso da Sociedade Botânica de São Paulo}
}