Towards a taxonomic classification of humus forms
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| Main Author: | |
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| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Bethesda, Md. :
Society of American Foresters ,
1993
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Add Tag | Physical Description: | 49p ; 25cm |
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Chemicals humus, and the soil : a simple presentation of contemporary knowledge and opinions about fertilizers, manures and soil fertility