Managing soil resources to meet the challenges to mankind. V.2: Non-symbiotic nitrogen fixation and organic matter in the Tropics; symposia papers I. V.3: Vertisols and rice soils of the Tropics; symposia papers II. V.5: Whither soil research; panel discussion papers. V.6: Abstracts; voluntary papers.
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| Main Authors: | , |
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| Format: | biblioteca |
| Published: |
New Delhi (India)
1982
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| Subjects: | CIENCIA DEL SUELO, MANEJO DEL SUELO, MATERIA ORGANICA, FIJACION DEL NITROGENO, VERTISOLES, DESERTIFICACION, |
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