期刊论文详细信息
Journal of Applied Sciences and Environmental Management
Mineralization of Nitrogen in Hydromorphic Soils Amended with Organic Wastes
BAZUNNU, A O1  EMUH, F N1  EGUAVOEN, O1  IWEGBUE, C.M.A1 
关键词: N-immobilization;    Mineralization;    Wetland soils;    Niger Delta;    Nigeria;   
DOI  :  
学科分类:环境科学(综合)
来源: University of Port Harcourt * Department of Pure and Industrial Chemistry
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【 摘 要 】

This paper present the results of nitrogen mineralization in hydromorphic (wetland) soils of the Niger Delta amended with organic wastes. The organic wastes amended soil generally showed a decrease in total inorganic (NO3-N+NH3-N) released within first 14 days, which increased thereafter. The nitrogen mineralized during 58 day of incubation ranged from 82.15 mg kg-1 to 281.60 mg kg-1 for fadamal soil, 54.50 mg kg-1 to 197.30 mg kg-1 for meander belt soil and 98.50 mg kg-1 to 320.00 mg kg-1 for Mangrove soil (mangal acid sulphate soils). The order of cumulative nitrogen released in the waste amended soil followed the order: sewage sludge>kitchen waste> poultry manure> oil palm waste> cow manure. Total mineralized N indicated negative correlation with total organic N and C: N ratio.

【 授权许可】

Unknown   

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