Biosphoto | 2458804 | Soaking of spirea cuttings in a bath of humic acid to facilitate rooting (cutting hormone substitute). | © Jean-Michel Groult / Biosphoto
Biosphoto | 2458804 | Soaking of spirea cuttings in a bath of humic acid to facilitate rooting (cutting hormone substitute). | © Jean-Michel Groult / Biosphoto
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Soaking of spirea cuttings in a bath of humic acid to facilitate rooting (cutting hormone substitute).

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Reference
2458804
License
Right Managed
Date of shooting
2020-12-06