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Keyword [soil total phosphorus]
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1. The Characteristics Of Soil C、N And P In Different Landscape After Introducing Legumes Into Abandoned Farmlands In The Semi-arid Of Loess Plateau
2. Effects Of Wet Deposition Of Nitrogen And Phosphorus And Litter Addition On Soil Active Organic Carbon Pool And Nitrogen And Phosphorus In Broad-Leaved Pinus Koraiensis Forest
3. Study On Soil Nutrient Content Characteristics And Influencing Factors Of Economic Forest Tree Species In Gangu County
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