100+ Agricultural fertility PowerPoint (PPT) Presentations, Agricultural fertility PPTs

Agricultural fertility - PowerPoint PPT Presentation

Agricultural Revolution or Transformation?

Agricultural Revolution or Transformation?. The Technology of Paleolithic Societies. Early tools - wood, bones, animal skins, and stone, Tools provided shelter, protection, clothing and food. Tools used to build tents, huts, wooden and stone structures. Fire for light and warmth

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578 views • 35 slides

The EROI of agriculture, its use by the Via Campesina

The EROI of agriculture, its use by the Via Campesina. Origins of this paper: Work on energy and agriculture (from Podolinsky 1880 to Pimentel 1973 and beyond). The CEECEC project: Teaching and Learning Ecological Economics with Civil Society Organizations (2008-10 ) www.ceecec.net.

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398 views • 25 slides

Deforestation

Deforestation . Taylor Parnell . UNFF Stands for United Nations Form on Forests. In October 2000, the economic and social council of the United Nations. There was a Resolution 2000/35 came up with the United Nations Forum on Forests. .

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267 views • 13 slides

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'Agricultural fertility' diaporamas de présentation

Agricultural fertility - PowerPoint PPT Presentation

Agricultural Revolution or Transformation?

The EROI of agriculture, its use by the Via Campesina

Deforestation