Changes in phosphorus fractions during organic wastes composting from different sources

被引：122
作者：
Wei, Yuquan [1 ]
Zhao, Yue [1 ]
Xi, Beidou [2 ]
Wei, Zimin [1 ]
Li, Xue [1 ]
Cao, Zhenyu [1 ]
机构：
[1] Northeast Agr Univ, Coll Life Sci, Harbin 150030, Peoples R China
[2] Chinese Res Inst Environm Sci, Lab Water Environm Syst Engn, Beijing 100012, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2015年 / 189卷
基金：
中国国家自然科学基金;
关键词：
Composting; Organic waste; Phosphorus; Availability; MICROBIAL BIOMASS PHOSPHORUS; SOLUTION P-31 NMR; SOIL-PHOSPHORUS; SEQUENTIAL FRACTIONATION; MANURE; SPECIATION; MATTER; FORMS; MANAGEMENT; PHOSPHATE;
D O I：
10.1016/j.biortech.2015.04.031
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The study was conducted to investigate the changes in different fractions of phosphorus (P) and the relationship between different P fractions and their corresponding physicochemical parameters during organic wastes composting. There were distinct differences in the concentration of P fractions for the composts generated from different sources, highest in chicken manure and pig manure. The availability P (including water soluble P, Olsen P and citric acid P) declined from 44% to 36% in all composts, except for KW, following the thermophilic phase during composting, while moderately available P and non-available P increased from 48% to 59%. Different P fractions (inorganic P, organic P, Olsen P, water soluble P and citric acid P) were positively correlated with each other. The composts were clustered into two groups in our hierarchical cluster analysis. Conclusively, we suggested an optimized mode of composting based on the characteristics of the P fractions from different raw materials. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：349 / 356
页数：8
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