Agriculture: depletion and re-vitalization of the soil, Claude Bourguignon

Conference on erosion and biological impoverishment and techniques for revitalizing soils and arable land. by Claude Bourguignon

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Cultivate without plowing
Gardening at home in organic and no tillage
TCS: Soil conservation techniques
Sustainable agriculture

Read also:  Download: Grenelle de l’environnement, the bill

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