The principles of green manuring and their application in Ceylon
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| Format: | biblioteca |
| Published: |
1931
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| Subjects: | ABONOS, FAJA INTERTROPICAL, SUELOS, FERTILIDAD DEL SUELO, FIJACION DE NITROGENO, ARBOLES DE SOMBRA, ERYTHRINA, GLIRICIDIA, INDOGOFERA, CLITORIA, SRI LANKA, |
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