Authors: do Amaral, JAT Cordeiro, AT Rena, AB

Citation: Jat. Do Amaral et al., Effects of aluminum, nitrate and ammonium on the metabolic nitrogened composition and of carboidrates in Stylosanthes guianensis and S-macrocephala, PESQ AGROP, 35(2), 2000, pp. 313-320

Authors: Da Matta, FM do Amaral, JAT Rena, AB

Citation: Fm. Da Matta et al., Growth periodicity in trees of Coffea arabica L. In relation to nitrogen supply and nitrate reductase activity, FIELD CR RE, 60(3), 1999, pp. 223-229