Luchini, L.C. Adsorcao-dessorcao dos herbicidas paraquat, diuron e 2,4-D em seis solos brasileiros Adsorption-desorption of the herbicides paraquat, diuron and 2,4-D in six brazilian soils - Piracicaba, SP (Brasil): 1987. - 105 p. 16 illus.; 17 tables; Bibliography p. 82-91 (65 ref.); Summaries (Eng, Por) Subjects--Topical Terms: HERBICIDAADSORCAOABSORCAOSOLO