Theme 32: Use of Information and Analytical Systems

The XIX International Grassland Congress took place in São Pedro, São Paulo, Brazil from February 11 through February 21, 2001.
Proceedings published by Fundacao de Estudos Agrarios Luiz de Queiroz

XIX International Grassland Congress:
Use of Information and Analytical Systems

Sources of Error for Ultrasonic Measurements of Steer Compositional Traits in Grazing Studies

Glen E. Aiken, U.S. Department of Agriculture
F. M. Rouquette Jr., Texas A&M University
A. H. Brown Jr., University of Arkansas

Sward Height; Visual Estimate Compared with Plate Meter Height

W. B. Bryan, West Virginia University
E. C. Prigge, West Virginia University
E. L. Nestor, West Virginia University
O. J. Gekara, West Virginia University
M. A. Schettini, West Virginia University

FarmWi$e: A Flexible Decision Support Tool for Grazing Systems Management

A. D. Moore, CSIRO, Australia

Repeated Measurement Analyses of Forages in Cropping Systems

A. R. de Freitas, EMBRAPA, Brazil
O. Primavesi, EMBRAPA, Brazil
L. de A. Corrêa, EMBRAPA, Brazil
A. C. Primavesi, EMBRAPA, Brazil
E. B. Pott, EMBRAPA, Brazil
A. dos S. Mascioli, Universidade Estadual Paulista, Brazil

Mapping Nitrogen Fixing Shrubs in Dry Unimproved Tussock Grassland

C. C. Boswell, AgResearch, New Zealand
W. L. Lowther, AgResearch, New Zealand
P. D. Espie, AgResearch, New Zealand

A Chance-Constrained Linear Model for Beef Policy Analysis

Claudio F. Machado, Universidad Nacional del Centro de la Provincia de Buenos Aires, Argentina
S. T. Morris, Massey University, New Zealand
C. Dake, Massey University, New Zealand
A. MacDonald, Massey University, New Zealand
I. M. Brookes, Massey University, New Zealand
F. Di Croce, Universidad Nacional del Centro de la Provincia de Buenos Aires, Argentina
F. Gonzalez, Universidad Nacional del Centro de la Provincia de Buenos Aires, Argentina
N. J. Auza, Universidad Nacional del Centro de la Provincia de Buenos Aires, Argentina

Sequential Injection Analysis: A Powerful Tool for Routine Soil and Plant Laboratories

A. R. A. Nogueira, EMBRAPA, Brazil
F. V. Silva, EMBRAPA, Brazil
M. Y. Kamogawa, EMBRAPA, Brazil
G. B. Souza, EMBRAPA, Brazil
L. F. M. Ferraz, EMBRAPA, Brazil

Bioeconomic Model for Decision-Making on Fattening Beef-Cattle

G. Ferreira, INIA, Uruguay
O. Cardozo, INIA, Uruguay
J. M. Soares de Lima, INIA, Uruguay

Length and Width to Estimate Dry Mass of Panicum maximum cv. Tanzânia Leaves

L. G. Barioni, Universidade de São Paulo, Brazil
P. M. Santos, Universidade de São Paulo, Brazil
A. Coldebella, Universidade de São Paulo, Brazil
M. Corsi, Universidade de São Paulo, Brazil

The Analysis of Results from Paired Paddock Comparisons

David R. Kemp, University of Sydney, Australia
P. M. Dowling, NSW Agriculture, Australia
D. L. Michalk, NSW Agriculture, Australia
G. Millar, NSW Agriculture, Australia

Estimating Herbage Mass in Stargrass (Cynodon nlenfuensis var Nlenfuensis) Using Sward Surface Height and the Rising Plate Meter

D. E. Oliveira, University of São Paulo, Brazil
S. R. Medeiros, University of São Paulo, Brazil
L. J. M. Aroeira, EMBRAPA, Brazil
L. G. Barioni, University of São Paulo, Brazil
D. P. D. Lanna, University of São Paulo, Brazil

Modelling Grassland Ecosystems

J. H. M. Thornley, Centre for Ecology & Hydrology, UK

Remote Sensing Application to Grassland Monitoring

Z. B. Nan, Gansu Grassland Ecological Research Institute, China