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Keyword [15N trace]
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1. Effects Of The Final And Different Stage Of Nitrogen Application On The Nitrogen Distribution And Using Efficiency Of Sugarcane
2. Mechanisms On Soil Nitrogen Transformations As Affected By Integrated Use Of Inorganic And Organic Fertilizers In A Rice-Wheat Cropping System
3. Influence Of Nitrogen Fertilizer Distribution On Crop Yield And Nitrogen Use Efficiency Within The Rotation Of Winter Wheat And Summer Maize
4. Studies On The Absorption And The Distribution Of Nitrogen In Flue-cured Tobacco Based On15N
5. Studies On The Nitrogen Absorption And Distribution Using 15N In Different Fertilizer Response Flue-cured Tobacco Varieties At Medium And Low-yield Cropland
6. Effects Of Plastic Film Mulching And Straw Retention On Fertilizer Nitrogen Fate And Budget In Dry-land Winter Wheat
7. Mechanism Of Reducing Nitrogen Loss By Decreasing Nitrogen Application And Planting Catch Crops Of Sesbania In Rice-vegetable Rotation System In Hainan
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