Laurent Testot OA - Liste vers Sélection d’auteur(e)s 2014 ENOnly 60 Years of Farming Left If Soil Degradation Continues - Chris ArsenaultGenerating three centimeters of top soil takes 1,000 years, and if current rates of degradation continue all of the world's top soil could be gone within 60 years, a senior UN official said Afficher plus.. Voici le lien vers cette page
2014 ENOnly 60 Years of Farming Left If Soil Degradation Continues - Chris ArsenaultGenerating three centimeters of top soil takes 1,000 years, and if current rates of degradation continue all of the world's top soil could be gone within 60 years, a senior UN official said
2014 ENOnly 60 Years of Farming Left If Soil Degradation Continues - Chris ArsenaultGenerating three centimeters of top soil takes 1,000 years, and if current rates of degradation continue all of the world's top soil could be gone within 60 years, a senior UN official said