Research Article

Soil Fertility, Phosphorus Fractions, and Maize Yield as Affected by Poultry Manure and Single Superphosphate

Table 3

Chemical and physical properties of the soil used for the study.

Parameters

pH (H2O)6.4
O.M (g kg−1)24.08
N (g kg−1)0.2
P (mg kg−1)14.2
Exchangeable cations (c molc kg−1)
 Ca1.14
 Mg0.82
 K0.47
 Na0.09
Particle size (g kg−1)
 Sand740
 Clay120
 Silt140