1. Anderson, W. P.; Richards, A. B. & Whintworth, G. W. Leaching of trifluralin, benefin and nitralin in soil columns. Weeds 16 : 165-169, 1968. [ ]

The leaching rate of trifluralin, atrazine and bromacil in three latossols, with different textures, applying normal dosages of each. was studied. Intact columns of each soil were used and simula ted precip itations of 110 or 220 mm of water, Echinochloa cruz-galli L. Beauv. and Lactuca sativa cv. La Chaume were sown lenghtwise in the two halves of each colum. The leaching rate of the herbic ides was evaluated 21 and 23 days after seedling. With the indication given by [...]