| Rice-duck planting and breeding eco-engineering on wetlands, developed on the base of Chinese traditional agriculture, is a paradigm of evident social, economic and ecologic efficiency. A convenient and rapid guide of high technology is necessitated in the course of implementing it. An Agricultural Expert System(AES), simulating expert thinking and solving difficult problems dependent on expertise, has been applied extensively and yielded high economy efficiency. Construction of expert systems on rice-duck planting and breeding eco-engineering on wetlands plays positive roles in enhancing the development of clean agriculture.The expert system on rice-duck planting and breeding eco-engineering on wetlands is developed in this paper based on previous rice production expert system. Using PAID4.0 as a developing platform and principles of knowledge engineering, information and technology, it is a application system which systematizes and formalizes research results and expertise knowledge, experience, method solving problems in the field of rice cultivating-duck breeding for years. The system mainly consists of acquirement and indication for knowledge, construction of basal databases, and generation of systemic model databases.Main results and significances of the present study are summarized as follows: (1) The system is integrative of the two organisms, breaking a single object of study. (2) Being combination of expert system technology and model technology, the system is concentrated not only on experience simulation on the basis of related experience and knowledge, but also on prediction simulation. (3) Protection for environment and sustainable development of agriculture are paid more attention to in this system, circumventing defaults in previous systems, which are employed only for higher production. It is conceivable that popularization of this expert system will benefits for sustainable development of agriculture in the future. |
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