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Keyword [Reduced fertilization]
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1. Effects Of DMPP And Chitin On Nitrate And Cd Contents In Vegetables In Suburbs
2. Effects Of Straw Returning And Reduced Fertilization On Runoff Nitrogen And Phosphorus Loss In Rice And Rapeseed Rotation Fields
3. Study On Promotion Strategy Of Farmland Non-point Source Pollution Prevention And Control Technology In Hilly Area
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