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Namen: International congress of soil science <12 ; 1982
Managing soil resources to meet the challenges to mankind
Testo
Managing soil resources to meet the challenges to mankind

International congress of soil science <12 ; 1982

1: Managing soil resources : plenary session papers
Testo
1: Managing soil resources : plenary session papers

International congress of soil science <12 ; 1982

2: Non-symbiotic nitrogen fixation and organica matter in the Tropics : symposia papers, 1.
Testo
2: Non-symbiotic nitrogen fixation and organica matter in the Tropics : symposia papers, 1.

International congress of soil science <12 ; 1982

3: Vertisols and rice soils of the Tropics : symposia papers, 2.
Testo
3: Vertisols and rice soils of the Tropics : symposia papers, 2.

International congress of soil science <12 ; 1982

4: Desertification and soils policy : symposia papers, 3.
Testo
4: Desertification and soils policy : symposia papers, 3.

International congress of soil science <12 ; 1982

5: Whither soil research : panel discussion papers
Testo
5: Whither soil research : panel discussion papers

International congress of soil science <12 ; 1982

6: Abstracts : voluntary papers
Testo
6: Abstracts : voluntary papers

International congress of soil science <12 ; 1982

Managing soil resources to meet the challenges to mankind: presidential address
Testo
Managing soil resources to meet the challenges to mankind: presidential address

International congress of soil science <12 ; 1982

Souvenir
Testo
Souvenir

International congress of soil science <12 ; 1982

Keynote address on world soils policy
Testo
Keynote address on world soils policy

International congress of soil science <12 ; 1982

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