Every year, heavy summer rain in the Ethiopian highlands, sent a torrent of water that overflowed the banks of the Nile. When the floods went down it left thick rich mud (black silt) which was excellent soil to plant in. c) they devised an innovative irrigation system, which created a surplus of food.They take the advantage because in the sprring flooding, the river flood regulary leaving behind rich soil.Early Egyptian farmer created the first form of farming irrigation by creating trenches and paths from the flooded river Nile to water their crops. Especially helpful during periods of no rain in the area as it would still rain at the Nile's source and cause flooding.
