World Congress of Soil Science Logo 18th World Congress of Soil Science
July 9-15, 2006 - Philadelphia, Pennsylvania, USA
International Union of Soil Sciences
Monday, 10 July 2006: 1:15 PM
16: 3.4A Combating Global Soil & Land Degradation I. Agroecosystems: Processes & Assessment - Oral
Presiding:Matilde Somarriba-Chang, Universidad Nacional Agraria (UNA)
Convenor:Miguel Ayarza, TGU: 00087
 Decision support tools and technologies to assess and reverse land degradation in tropical savanna and hillside agroecosystems of Latin America.
Miguel Ayarza Sr., Tropical Soil Biology and Fertility Institute of the International Center for Tropical Agriculture, CIAT, Edgar Amezquita, Tropical Soil Biology and Fertility Institute of the International Center for Tropical Agriculture, CIAT, Edmundo Barrios, Tropical Soil Biology and Fertility Institute of the International Center for Tropical Agriculture, CIAT, Marco Rondon, Tropical Soil Biology and Fertility Institute of the International Center for Tropical Agriculture, CIAT, Idupulapati Rao, Tropical Soil Biology and Fertility Institute of the International Center for Tropical Agriculture, CIAT
 Land degradation: An assessment of the human impact on global land resources.
Hari Eswaran, USDA Natural Resources Conservation Service, Paul Reich, USDA Natural Resources Conservation Service, Friedrich Beinroth, University of Puerto Rico
 Nutrient Budgeting in Tropical Agro ecosystem - A micro and meso level modeling study for assessing sustainability in agro-ecosystem using NUTMON-Toolbox.
V. Murugappan, Tamil Nadu Agricultural University, U. Surendran, Tamil Nadu Agricultural University, R Jagadeeswaran, Tamil Nadu Agricultural University, A Bhaskaran, Tamil Nadu Agricultural University
 Characterizing Soil Change within the Human Time Scale for Resource Assessment and Prediction.
Arlene J. Tugel, USDA-NRCS, Joel R. Brown, USDA-NRCS, Susan S. Andrews, USDA-Natural Resources Conservation Service (NRCS), ENTSC, Brandon T. Bestelmeyer, USDA-ARS Jornada Experimental Range, Jeffrey E. Herrick, USDA-ARS Jornada Experimental Range, Karl W. Hipple, USDA-NRCS, National Soil Survey Center
 Soil quality dynamics in a family based shifting cultivation system on the Atlantic Forest, Brazil.
Marcela C. R. Aboim, Embrapa Solos, Joyce C. Barbosa, Embrapa Solos, Alexandre S. Rosado, Federal University of Rio de Janeiro, Heitor L. C. Coutinho, Embrapa Solos

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