Ag Slag

A bi product of the steelworks industry, Ag Slag contains Calcium & Phosphate in a slow release form as well as other trace elements.

This product is suitable for acidic soils.

At a maximum recommended rate of 1.5 tonnes/acre, it provides in the region of 38 units of phosphate along with trace elements, essential for healthy crops and animals.

Typical Analysis of Steel Works Slag

Steel works slag varies slightly, but typically contains the following elements. Also recorded are commonly found maximum contents.

Typically
Maximum
Maximum Units per 1 tonne
TNV ….. 58
68
TNV68
CaCO3 ….. 72%
80.5%
1610
AL203 ….. 1.5%
3.24%
65
B ….. 700ppm
853ppm
1.7
Ca0 ….. 49.6%
55.5%
1110
CL ….. 1.75%
2.04%
40.8
Fe0 ….. 15.2%
19.5%
390
K20 ….. 0.03%
0.09%
1.8
Mg0 ….. 7.9%
10.00%
200
Mn0 ….. 3.6%
4.00%
80
P205 ….. 1.8%
2.48%
49.6
Zn ….. 126ppm
800ppm
1.0
Cu ….. 137ppm
154ppm
0.31
Mo ….. 45ppm
64ppm
0.13
Co ….. 4ppm
5ppm
0.01
So3 ….. 0.3%
0.35%
7.0

*These samples were analysed by various laboratories from steel works slag from South Wales.