Page 55 - GSA Annual Report / Jaarverslag 2013
Basic HTML Version
Bedryfsdienste
Industry Services
53
Year
N
P
K
Quantity # over
% over Quantity # over
% over Quantity # over
% over
06/07
49
3 (6%)
-20
48
4 (8%)
-15
36
4 (11%)
-12
07/08
50
5 (10%)
-14,7
46
1 (2%)
-8,3
34
4 (12%)
-19,9
08/09
48
3 (6%)
-9,8
49
5 (10%)
-15,6
41
4 (10%)
-15,4
09/10
44
3 (7%)
-11,1
42
7 (17%)
-38,7
28
3 (11%)
-40,6
10/11
44
2 (5%)
-24,3
44
2 (5%)
-17,4
35
-
-
11/12
35
2 (6%)
-10,1
33
-
-
31
-
-
12/13
36
-
-
34
4 (12%)
-34
29
4 (14%)
-46
Table 5: Analysis of fertiliser samples.
Table notes:
Quantity
The number of fertiliser samples taken.
# over
The number that exceeded the permissible deviation.
% over
The sample that exceeded the permissible deviation the most.
The quality of fertiliser improved remarkably the last twelve years. It is believed that this fertiliser
monitoring project contributed to these improved results. The results and the percentage for N, P and K
that exceeded the prescribed regulations over the last twelve years are presented in
Graph 4
to
6
.
5
5
5
15
15
15
10
10
10
0
0
0
20
20
20
25
25
25
30
30
35
40
30
35
%
%
%
Graph 4: The percentage of nitrogen-based fertiliser samples
that exceeded the prescribed regulations (2000/2001 to 2011/2012)
Grafiek 4: Die persentasie van stikstof-gebaseerde kunsmismonsters
wat die voorgeskrewe regulasies oorskry het (2000/2001 tot 2011/2012)
Graph 5: The percentage of phosphate-based fertiliser samples
that exceeded the prescribed regulations (2000/2001 to 2011/2012)
Grafiek 5: Die persentasie van fosfaat-gebaseerde kunsmismonsters
wat die voorgeskrewe regulasies oorskry het (2000/2001 tot 2011/2012)
Graph 6: The percentage potash-based fertiliser samples
that exceeded the prescribed regulations (2000/2001 to 2011/2012)
Grafiek 6: Die persentasie van kalium-gebaseerde kunsmismonsters
wat die voorgeskrewe regulasies oorskry het (2000/2001 tot 2011/2012)
2000/01
2000/01
2000/01
2001/02
2001/02
2001/02
2002/03
2002/03
2002/03
2003/04
2003/04
2003/04
2004/05
2004/05
2004/05
2005/06
2005/06
2005/06
2006/07
2006/07
2006/07
2007/08
2007/08
2007/08
2008/09
2008/09
2008/09
2009/10
2009/10
2009/10
2010/11
2010/11
2010/11
2011/12
2011/12
2011/12
N
P
K
