Improving Phosphorus Availability in an Acid Soil Using Organic Amendments Produced from Agroindustrial Wastes

Table 1

Selected physicochemical properties of Bekenu series soil.

Property	Value obtained
Bulk density (g cm^−3)	1.23
Soil texture	Sand: 67.5%
	Silt: 15.5%
	Clay: 17.0%
	⇒ Sandy loam
pH (Water)	4.56
Total organic matter (%)	7.2
Total carbon (%)	4.18
Total N (%)	0.18
Total P (ppm)	132.30
Available P (ppm)	4.50
C/N ratio	23.2
C/P ratio	321.54
Cation exchange capacity (cmolc kg^−1)	5.1
Exchangeable acidity (cmolc kg^−1)	1.16
Exchangeable Al (cmolc kg^−1)	0.84
Exchangeable K (ppm)	1.16
Exchangeable Ca (ppm)	470.30
Exchangeable Mg (ppm)	553.00
Exchangeable Fe (ppm)	2300.00