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Microbial immobilization-remineralization and ammonium fixation-release govern N conservation and N availability, but the magnitude may differ according to organic amendments types and fertilization stages. Besides, few studies have explored the N supply under different organic amendments and the synchronism between N supply and crop demand. Thus, a pot experiment with different N amendments (equivalent...
Nitrogen (N) immobilization by microorganisms and NH4+ fixation by soil minerals are common reactions responsible for fertilizer N retention in soils. However, the relationship between microbial immobilization and NH4+ fixation remains unclear to date, and the availability of immobilized or fixed fertilizer N has yet to be compared. Accordingly, we conducted a 96-day incubation experiment to study...
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