Phosphorus Status, Inorganic Phosphorus Forms, and Other Physicochemical Properties of Acid Soils of Farta District, Northwestern Highlands of Ethiopia
Table 3
Soil pH, buffer pH, and lime requirement (LR).
Sampling site
pH, H2O
pH, KCl
Buffer pH
pH, KCl
LR (Mg CaCO3 ha−1)
pH 5.5
pH 6.0
Ayermarefiya
5.0
4.0
5.7
1.0
6.1
8.2
Abalomeda
5.0
4.0
5.7
1.0
6.1
8.2
Kumbelie
4.9
3.8
5.6
1.1
7.0
9.2
Korekonch
4.7
3.8
5.5
1.0
8.0
10.2
Agawer 1
5.3
4.3
5.8
1.0
5.3
7.3
Agawer 2
5.4
4.1
5.9
1.3
4.5
6.5
Jura 1
5.4
4.3
5.9
1.1
4.5
6.5
Jura 2
5.5
4.2
6.0
1.3
—
5.6
Mean
5.2
4.1
5.8
1.1
5.9
7.7
pH = change in pH; pH 5.5 and pH 6.0 = target pH (H2O) values (5.5 and 6.0) to be achieved by the application of lime.
