1.
ViƩgas I de JM, Haag HP. Levels of NPK on nursery of Hevea spp on the development of plants ready for grafting in a sandy clay loamy yellow latosol, in Mosqueiro Island - PA, Brazil . An. Esc. Super. Agr. Luiz de Queiroz. 1985;42(2):489-538. doi:10.1590/S0071-12761985000200012