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Keyword [fixed ammonium]
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1. Study On Fixed Ammonium In Soils And Effect Factors On It
2. The Study On Fixed Ammonium In Major Types Of Upland Soils And Paddy Soils In Hunan Province, China
3. Characteristics Of The Cool Of Soil Organtic Carbon And Soil Organtic Nitrogen On The Loess Plateau From Sortn To North
4. Fixed Ammonium And Its Availability In Paddy Soils Of Hunan Province
5. Studies On Fixed Ammonium Of Chief Upland Cultivated Soils In Hunan Province
6. Effect Of Combined Application Of Organic And Inorganic Fertilizer On Soil Microbial Biomass Nitrogen And Nitrogen Cycle
7. Study On Distribution Of Fixed Ammonium And Its Influencing Factors In Paddy Soil Profile
8. The Search In Fixed Ammonium Of Some Typical Soil In Jilin Province
9. Mineralogical And Geochemical Evidence Of The Presence Of Ancient Paddy Soil Layer In Chuodun Ancient Agricultural Site, Kunshan
10. Researches On The Characteristics Of Nitrogen Mineralization Of Soil In The Southern And Northern Paddy Field Under Culture Conditions
11. Effect Of Combined Application N Fertilizer And Manure On Soil N Supply Capacity In Greenhouse Condition
12. Alkaline Hydrolyzable-Nitrogen, Seeding Date, and Clay-Fixed Ammonium as Potential Indicators of Rice Response to Nitrogen Fertilization in Arkansas
13. Content Of Soil Fixed Ammonium And Its Influencing Factors In The Mu Us Desert
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