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[en] This paper provides a brief overview of computer-simulation decision-support systems, and describes the data necessary for their generation and validation, their role in modern agricultural research and their potential utility for researchers and growers. Data from field experiments in Venezuela and Thailand were used to test the P submodel within DSSAT (Decision Support Systems for Agrotechnology Transfer), and close agreements in the maize grain yields were obtained between measured and simulated numbers for various P treatments including phosphate rocks. (author)
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Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture, Vienna (Austria); 139 p; ISSN 1011-4289; 
; Jun 2000; p. 101-108; Consultants meeting on management and conservation of tropical acid soils for sustainable crop production; Vienna (Austria); 1-3 Mar 1999; 9 refs, 6 figs
; Jun 2000; p. 101-108; Consultants meeting on management and conservation of tropical acid soils for sustainable crop production; Vienna (Austria); 1-3 Mar 1999; 9 refs, 6 figs