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《JOURNAL OF NORTHEAST AGRICULTURAL UNIVERSITY》 1999-03
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MODELLING AND ANALYSES OF ENERGY FLOW IN CORN- BELT AGRO-ECOSYSTEM IN SONG-NEN PLAIN

WANG Hong yan, SUN Cong shu,ZHOU Dong xing, HOU Zhong tian (Northeast Agricultural University,Harbin 150030 PRC)  
An energy flow model of corn-belt agro-ecosystem in the Song-nen Plain is constructed and calibrated. Analyses of the model indicated several possible management regimes that can result in both a sustainable yield and sustainable soil organic matter level. The model shows that primary production in the corn-belt agro-ecosystems is the energy base for self-maintenance of the system. Sustainable agro-ecosystems were sought through the optimization of the model, which are variable approaches in the corn-belt agro-ecosystem in the Song-nen Plain$$$$
【CateGory Index】: S181
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