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Systematic design of ecological agriculture model in Liuhe village

, : Systematic design of ecological agriculture model in Liuhe village. Potentialities of agricultural engineering in rural development Proceedings of the international symposium on agricultural engineering 89 ISAE, Beijing, China, 12-15 September 1989 Volume II: 1161-1166

An ecological agricultural model is proposed and applied to a Chinese rural village in Jilin. Analyses of the energy flow and nutrient cycle are used to diagnose the farming system and show the relationships between components and their functions. The village had a low primary production level, soil fertility was declining, forest cover was low and poor management and lack of new crop varieties contributed to poor secondary production.

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