01188nam a2200301 a 450000100080000000500110000800800410001910000180006024500990007826000970017730000230027449000090029752003550030665000160066165000130067765000150069065000170070565000150072265000110073765000090074865000100075765300180076765300250078570000180081070000190082870000170084770000220086410122482016-08-17       1994    bl uuuu     u00u1 u    #d1 aCASTRO, O. M.  aAtrazine transport through runoff in a sandy soil of Sao Paulo, Brazil.h[electronic resource]  aIn: WORLD CONGRESS OF SOIL SCIENCE, 15., 1994, Acapulco. Poster. Acapulco: s.n., 1994.c1994  ap.231 v.3bcPoster  vv.3b  aIn general, the use of herbicides, insecticides and other pesticides in associated with crop yield increase and with quality improvement in agricultural products. However, the increase in pesticides use in Brazil and in the world has been causing concerns, mostly when the water and soil contamination risk also increases trrough leaching and runoff.  aagriculture  aatrazine  aherbicides  ainsecticides  apesticides  arunoff  asoil  awater  aContamination  aManagement practices1 aHERMES, L. C.1 aLIGO, M. A. V.1 aCRESTANA, S.1 aMARTINS, A. L. M.