95
Symposium--The Soil-Crop Nexus Across Spatial and Temporal Scales (includes Global Digital Soil Map Graduate Student Competition)

Oral Session

ASA Section: Global Agronomy

Soil and crop responses vary across escalating spatial and temporal scales. In this symposium we focus on enhancing our understanding of the complexity of soil-crop systems, interrelationships between soils-crops, their up and downscaling behavior, the spatial distribution of soils across climatic , biotic, ecological, and topographic trajectories, and temporal evolution of soil-crop systems in response to imposed stressors (e.g., climate change) and limitations (e.g., nutrient limitations, soil degradation). To aggregate, synthesize, and integrate our knowledge on soil-crop systems from local, regional, to global scales will be discussed in this symposium.

Cosponsor(s):

Global Digital Soil Map Community
Global Agronomy, Pedology
Field Diagnosis for Smallholder Agriculture Community
Monday, November 4, 2013: 1:00 PM-4:45 PM
Marriott Tampa Waterside, Florida Salon I-II
Community Leader:
Sabine Grunwald
Organizer:
Jonathan W. Hempel
Presider:
Jonathan W. Hempel
1:00 PM
Introductory Remarks
1:00 PM
95-1
Geostatistical Methods for Up- and Downscaling of Soil Properties and Crop Responses in Space and Time.
Gerard Heuvelink, ISRIC World Soil Information
1:30 PM
95-2
Soil-Plant Interactions Across Spatial and Temporal Scales Are Not a Snapshot But a Movie.
Jerry L. Hatfield, USDA-ARS National Laboratory for Agriculture and the Environment
2:00 PM
95-3
Fusion of Soil and Remote Sensing in Support of Digital Soil Modeling.
Rosanna G. Rivero, University of Georgia; Gustavo M. Vasques, EMBRAPA; Sabine Grunwald, University of Florida
2:30 PM
Break
2:30 PM
95-4
Pedogeomorphometry: An Approach to Model Soil Across Spatial and Temporal Scales.
Budiman Minasny, The University of Sydney; Alex McBratney, The University of Sydney; Uta Stockmann, The University of Sydney; Brendan Philip Malone, The University of Sydney
3:00 PM
95-5
Soil Carbon Variation Along Ecological Trajectories Within the U.S.
Sabine Grunwald, University of Florida; Alex McBratney, Faculty of Agrculture and Environment, The University of Sydney; Xiong Xiong, University of Florida; Baijing Cao, University of Florida; Larry T. West, USDA-NRCS; Skye Wills, USDA-NRCS; Terry D. Loecke, University of Nebraska - Lincoln; Budiman Minasny, The University of Sydney; Sebastian Campbell, University of Sydney; Risa Patarasuk, University of Florida; Chris Wade Ross, University of Florida
3:30 PM
95-6
Soil Carbon Modeling Across the Continental U.S.
Baijing Cao, University of Florida; Sabine Grunwald, University of Florida; Risa Patarasuk, University of Florida; Xiong Xiong, University of Florida; Chris Wade Ross, University of Florida
3:45 PM
95-7
Can We Map the Measurable Pools of Soil Organic Carbon At Catchment Scale?.
Senani Karunaratne, The University of Sydney; Thomas Bishop, The University of Sydney; Jeff Baldock, CSIRO Land and Water - Waite Campus; Bruce Hawke, CSIRO Land and Water - Waite Campus; Inakwu Odeh, The University of Sydney
4:00 PM
95-8
Possiblistic Decision Trees to Disaggregate Component Soil Series From An Ohio County Soil Survey Map.
Sakthi Kumaran Subburayalu, Ohio State University; Ilyes Jenhani, University of Tunis El Manar, Tunisia; Brian Slater, The Ohio State University
4:15 PM
95-9
Evaluating Model Transferability and Scaling in Adjacent Subtropical Wetland in Southern Florida, U.S.
Jongsung Kim, University of Florida; Sabine Grunwald, University of Florida
4:30 PM
Discussion
4:45 PM
Adjourn
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