A proper pH determines how efficiently the plants absorb nutrients. In order to adjust your soilâs pH, you first need to determine what changes to make. If you need to increase the acidity or lower the pH, there are a number of common compounds that you can add to bring about the desired change.
Geographic characteristics. The north terminus is approximately 70 miles (110 km) west of Springer Mountain, the southern terminus of the Appalachian Trail. Georgia has about 164 miles (260 km) of the trail, and Alabama contains the other 171 miles (280 km) of the 335-mile-long (540 km) trail.
A geographical map of Africa, showing the ecological break that defines the sub-Saharan area. Sub-Saharan Africa is the term used to describe the area of the African continent which lies south of the Sahara Desert. Geographically, the demarcation line is the southern edge of the Sahara Desert.Since the end of the last ice age, the north and sub-Saharan regions of Africa have been separated by the extremely harsh climate of the sparsely populated Sahara, forming an effective barrier interrupted by only the Nile River.eographically, the demarcation line is the southern edge of the Sahara Desert. Since the end of the last ice age, the north and sub-Saharan regions of Africa have been separated by the extremely harsh climate of the sparsely populated Sahara, forming an effective barrier interrupted by only the Nile River.