"×דמה שחורה" בעלת חומרי ×”×–× ×” בכמות גבוהה חשובה והכרחית ×œ×’×™×“×•×œ×™× ×—×§×œ××™×™× ×יכותיי×.
"×דמה שחורה" בעלת חומרי ×”×–× ×” בכמות גבוהה חשובה והכרחית ×œ×’×™×“×•×œ×™× ×—×§×œ××™×™× ×יכותיי×.
Terra preta – Wikipedia, the free encyclopedia
History[edit]. Early theories[edit]. The origins of the Amazonian dark earths were not immediately clear. One idea was that they resulted from ashfall from volcanoes in the Andes, since they occur more frequently on the brows of higher terraces. Another theory considered its formation to be a …