Vertical Phosphorus Migration in a Biosolids-Amended Sandy Loam Soil in Laboratory Settings: Concentrations in Soils and Leachates

Table 2

Quantitative phosphorus concentration increases expected in the entire length of the soil columns within 1 week from biosolids application.

⁢	Inorganic fractions				Organic fractions
⁢	Water-soluble P	Loosely bound P	Metal-bound P	Calcium-bound P	Labile P	Moderately labile P	Nonlabile P
Expected increase in P fractions (%)
Top 5 cm	67.0	4.5	28.7	26.5	59.9	76.8	23.5
Expected increase in P fractions (%)
Entire column	8.4	0.6	3.6	3.3	7.5	9.6	2.9