000 02609nab a22003377a 4500
001 G98227
003 MX-TxCIM
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022 _aNo (Revista en electrónico)
022 0 _a0308-521X
040 _aMX-TxCIM
041 0 _aEn
100 1 _aKeating, B.A.
245 0 0 _aAdvances in farming systems analysis and intervention
260 _c2001
500 _aPeer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0308-521X
520 _aIn this paper, we recognize two key components of farming systems, namely the bio-physical 'Production System' of crops, pastures, animals, soil and climate, together with certain physical inputs and outputs, and the ?Management System?, made up of people, values, goals, knowledge, resources, monitoring opportunities, and decision making. Utilising upon these constructs, we review six types of farming systems analysis and intervention that have evolved over the last 40 years, namely: (1) economic decision analysis based on production functions, (2) dynamic simulation of production processes, (3) economic decision analysis linked to biophysical simulation, (4) decision support systems, (5) expert systems, and (6) simulation-aided discussions about management in an action research paradigm. Biophysical simulation modelling features prominently in this list of approaches and considerable progress has been made in both the scope and predictive power of the modelling tools. We illustrate some more recent advances in increasing model comprehensiveness in simulating farm production systems via reference to our own group's work with the Agricultural Production Systems Simulator (APSIM). Two case studies are discussed, one with broad-scale commercial agriculture in north-eastern Australia and the other with resource poor smallholder farmers in Africa. We conclude by considering future directions for systems analysis efforts directed at farming systems. We see the major challenges and opportunities lying at the interface of ?hard?, scientific approaches to the analysis of biophysical systems and 'soft', approaches to intervention in social management systems.
546 _aEnglish
593 _aCarelia Juarez
595 _aRPC
650 1 0 _aAPSIM
650 1 0 _aDecision support
650 1 0 _aDSS
650 1 0 _aFARMSCAPE
650 1 0 _aModelling
650 1 0 _91109
_aFarming systems
_gAGROVOC
700 1 _aMcCown, R.L.,
_ecoaut.
773 0 _tAgricultural Systems
_gv. 70, no. 2-3, p. 555-579
942 _cJA
999 _c30191
_d30191