Titlebook: Applications of Systems Approaches at the Farm and Regional Levels; Proceedings of the S P. S. Teng,M. J. Kropff,H. H. Laar Conference proc

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描绘

A Fuel of the Future: Natural Gas,natural resource management scenarios, and of various levels throughout the agroecological hierarchy, will help identify quantifiable indicators towards ecological sustainability in agricultural development.

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蔑视

Flow modelling with ECOPATH: providing insights on the ecological state of agroecosystemsnatural resource management scenarios, and of various levels throughout the agroecological hierarchy, will help identify quantifiable indicators towards ecological sustainability in agricultural development.

lethargy

Conference proceedings 1997tical models and computer simulation provideobjective tools for applying science to determine and evaluate optionsfor resource management at field, farm and regional scales. However,these tools would not be fully utilizable without incorporating socialand economic dimensions into their application.

座右铭

Energy Economics and Financial Marketsction; animal weight gain, reproduction, and import and export of nutrients through fertilizer, purchased feed, milk, and animal sales are accounted for. Rations for animals leading to zero excess manure phosphorus at best economic return are identified by simultaneously minimizing excess manure phosphorus, feed cost and cropland requirement.

vocation

Energy Economics and Financial Marketsn the expert system using a yes/no decision tree framework. Preliminary verification of the system prototype using data from the Dominican Republic and evaluation of the system by potential users suggest that it is logically consistent, reasonably accurate (83% for tree orchard; 68% for contour hedgerows) and potentially useful.

全部

斜

Modelling socioeconomic influences on agroforestry adoption using a rule-based decision support systn the expert system using a yes/no decision tree framework. Preliminary verification of the system prototype using data from the Dominican Republic and evaluation of the system by potential users suggest that it is logically consistent, reasonably accurate (83% for tree orchard; 68% for contour hedgerows) and potentially useful.

破译密码

0928-9526 t. Mathematical models and computer simulation provideobjective tools for applying science to determine and evaluate optionsfor resource management at field, farm and regional scales. However,these tools would not be fully utilizable without incorporating socialand economic dimensions into their app