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Keyword [reducing fertilizer]
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21. Application Effect Of Different Nitrogen Fertilizer Synergists For Apple In Reducing Fertilizer Application And Increasing Efficiency
22. Effects Of Returning The Green Manure To Field And Reducing Fertilizer Applications On The Maize's Growth,Fertilizer Utilization Rates And Soil Properties
23. Optimization Of Rhizobia-Leguminous Green Manure-Tea Intercropping System And Its Preliminary Application In Chemical Nitrogen Fertilizer Reduction
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