Paulo R. Lazzarini

Luiz de Queiroz College of Agriculture, University of São Paulo
Department of Soil Science
Av. Pádua Dias, 11
Piracicaba, SP Brazil 13418-900
Email: paulo.lazzarini@usp.br

Papers:
6:00 PM, Duke Energy Convention Center, Exhibit Hall AB, Level 1 393-15 NH₃-N Losses From Urea Associated with Humic Acid Applied On Bare and Straw-Covered Soil.