Keyword [soil organic nitrogen fractions] Result: 1 - 8 | Page: 1 of 1 1.  Effects Of Long-term Fertilization On Soil Organic Nitrogen Fractions And It's Profile Distribution 2.  Study On Fertility Status Of Tobacco-planting Soils At Elevation Height In Tobacco-planting Area Of Zhangjiajie 3.  Effect Of Long-Term Fertilization On Soil Organic Nitrogen Fractions And The Relationship With Nitrogen Indices 4.  Spatial Distribution Characteristic Of Soil Organic Nitrogen Fraction And Its Impact Factors In The Yalong River Valley 5.  Distribution Characteristics Of Soil Organic Nitrogen Fractions And Its Influcing Factors In The Upper Minjiang River 6.  Study On The Relationships Of Greenhouse Soil Organic Nitrogen Fractions,Soil-retained Nitrogen Pools And Soil-Soluble Nitrogen Pools Under Irrigation And Nitrogen Fertilization Regulations 7.  Effects Of Different Land Use Pattern On Organic Nitrogen Fractions 8.  Study On Soil Carbon Fixation Characteristics And Carbon And Nitrogen Transformation Under Different Rotation And Fertilization   <<First  <Prev  Next>  Last>>  Jump to

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