Abstract：
:Tilemsi rock phosphate (TRP) of Mali is one of the most promising rock phosphate in West Africa for soil fertilization, but it is little used because of its insoluble form. The main objective of this study is to investigate TRP effects on rhizobia associated with the multipurpose leguminous tree Sesbania sesban grown on a sandy soil, poor in phosphorus and not sterilised. The experiment included treatments with and without TRP and was conducted during 105 days. At the end, 114 nodules have been collected and analysed by PCR/RFLP of 16S-23S intergenic spacer. Sixteen different RFLP profiles corresponding to different genomic groups of rhizobia have been detected. Five were dominant and present in both treatments. Five groups appear only in treatments without TRP whereas the six others are only in nodules of plants with TRP, suggesting a different capacity of natural phosphates solubilization by these strains.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Sacko O,Yattara II,Lahbib M,Neyra Mdoi
10.1016/j.jenvman.2010.11.002subject
Has Abstractpub_date
2012-03-01 00:00:00pages
S265-8eissn
0301-4797issn
1095-8630pii
S0301-4797(10)00405-6journal_volume
95 Supplpub_type
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