干旱区生态环境知识资源中心(Arid): Biochemical phosphorus transformations in a calcareous soil as affected by earthworm, cow manure and its biochar additions

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DOI	10.1016/j.apsoil.2021.104310
	Biochemical phosphorus transformations in a calcareous soil as affected by earthworm, cow manure and its biochar additions
	Nahidan, Safoora; Ghasemzadeh, Mahshid
通讯作者	Nahidan, S (corresponding author), Bu Ali Sina Univ, Coll Agr, Dept Soil Sci, Hamadan, Hamadan, Iran.
来源期刊	APPLIED SOIL ECOLOGY
ISSN	0929-1393
EISSN	1873-0272
出版年	2022
卷号	170
英文摘要	Application of raw or char material may modify the influence of earthworm activity on soil phosphorus (P) transformation. The purpose of this study was to investigate the effect of cow manure or cow manure biochar addition and its interaction with earthworm on organic (Po) and inorganic (Pi) P fractions, alkaline phosphatase activity and P-solubilizing bacteria (PSB) in a calcareous soil of semi-arid region. For this purpose, the soil was amended with cow manure and its biochar in 4 levels (0, 1, 2 and 5%) in the absence and presence of earthworm (Eisenia fetida). The treatments were then incubated for 90 days. The monitoring of earthworms was also carried out after 30 and 90 days incubation. The results showed an increase in weight of earthworms in control and cow manure amended soils at both incubation times. However, application of cow manure biochar resulted in mortality and an initial weight loss of earthworms (36-85%) at 30 days incubation. This negative effect decreased over time, so that the earthworms recovered in 1% biochar amended soil. Amendment additions increased proportion of NaHCO3-Pi and NaOH-Pi but decreased proportion of HCl-Pi, residual-P, NaOH-Po and HCl-Po, making P more available in soil. The impact of cow manure biochar on the NaHCO3-Pi and NaOH-Pi fractions was stronger than that of cow manure. Earthworm decreased the proportion of Pi fractions but increased the proportion of Po fractions, indicating a transformation of P from Pi to Po forms. Alkaline phosphatase activity and PSB number were also increased as affected by earthworm and amendment (especially cow manure) additions. No significant interaction between earthworm and amendment additions was observed (p < 0.05), indicating that the influence of earthworm on P transformations was not dependent on amendment additions. Overall, we concluded that biochar can be useful for the amendment of semi-arid calcareous soil in terms of P availability, but the negative response of earthworms to biochar and its effect on other soil processes should be taken into consideration.
英文关键词	Biochar Earthworm P fractions Calcareous soil
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000718052200006
WOS关键词	PONTOSCOLEX-CORETHRURUS ; AVAILABILITY ; FRACTIONS ; AMENDMENTS ; RESIDUES ; DYNAMICS ; QUALITY ; GROWTH
WOS类目	Soil Science
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/374542
作者单位	[Nahidan, Safoora; Ghasemzadeh, Mahshid] Bu Ali Sina Univ, Coll Agr, Dept Soil Sci, Hamadan, Hamadan, Iran
推荐引用方式 GB/T 7714	Nahidan, Safoora,Ghasemzadeh, Mahshid. Biochemical phosphorus transformations in a calcareous soil as affected by earthworm, cow manure and its biochar additions[J],2022,170.
APA	Nahidan, Safoora,&Ghasemzadeh, Mahshid.(2022).Biochemical phosphorus transformations in a calcareous soil as affected by earthworm, cow manure and its biochar additions.APPLIED SOIL ECOLOGY,170.
MLA	Nahidan, Safoora,et al."Biochemical phosphorus transformations in a calcareous soil as affected by earthworm, cow manure and its biochar additions".APPLIED SOIL ECOLOGY 170(2022).