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Keyword [Input and output]
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1. A Study On Nutrient Input And Output In Rice-wheat Rotation System In Huaian City, Jinagsu Province
2. Effects Of Simulated Nitrogen Deposition On Soil Carbon And Nitrogen Main Input And Output Processes In Four Typical Forests In Maoershan Region
3. Sdudy On Soil And Water Conservation Measures Structure Effect And Evaluation On Land Use Of The Typical Watershed In The Loess Hilly-gully Region Of Zone â…¢
4. The Research Of Grassland Farming System’s Planting Pattern On "Input And Output"
5. Analysis On Efficiency And Influencing Factors Of The Under-forest Economy Of Collective Forest Area For Four Provinces In Eastern China
6. Research On The Availability Of Seeds Input And Output In The Introduced Sand Fixation Forest Of Pinus Sylvestris Var.mongolica
7. Analysis On The Production Efficiency And Management Of Farmer Household Economic Forest Products In Shandong Province
8. Study On The Influence Of Forest Land Fragmentation On Forestland Management Efficiency ——Based On Survey Data Of Farmers In Zhaoqing City,Guangdong Province
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