the investigated parameters of the soil samples rough sand ( 2,0 - 0,2 mm) fine sand ( 0,2 –0,02...
TRANSCRIPT
The investigated parameters of the soil samples
Rough sand ( 2,0 - 0,2 mm)
Fine sand ( 0,2 –0,02 mm )
Dust ( 0,02 – 0,002 mm )
Colloid clay ( sub 0,002 mm )
Physical clay ( sub 0,01 mm )
pH in water
Carbonate ( CaCO3 )
Humus
Phosphorus mobile ( P mobile )
Phosphorus mobile ( P mobile )recalc pH
Potassium mobile (K mobile )
Zinc
Copper
Manganese
Nickel
Cadmium
Iron
Lead
Physical-chemicalparameters
Biochemicalparameters
Microbiologicalparameters
E1 Phosphatase
E2 β-glucosidase
E3 Cellobiohydrolase
E4 β-xylosidase
E5 Trypsin-like protease
E6 Chymotrypsin-like protease
E7 Palmitoyl-esterase
E8 Chitinase
1. Species richnessof bacteria
2. Species richnessof fungi
3. Diversity of important bacterial genera
4. Diversity of toxinogenic fungi
Physical-chemical parameters (processed with Excel and OpenStat softwares)
0
1
2
3
4
5
6
7
8
9
RO
pH
pH
Physical-chemical parameters
0
0,5
1
1,5
2
2,5
3
3,5
4
4,5
5
RO
%
Humus
Physical-chemical parametersPhosphorus
0
20
40
60
80
100
120
140
160
RO
Ph
os
ph
oru
s (
pp
m)
In the Romanian soils theamount of P is frequently much less in the lower layer than in the upper layer.
Physical-chemical parametersPotassium
0
100
200
300
400
500
600
700
800
900
1000
RO
Po
tas
siu
m (
pp
m)
In the Romanian soils theamount of K is frequently muchless in the lower layer thanin the upper layer.
Physical-chemical parametersCadmium
0
0,5
1
1,5
2
2,5
RO
Cd
(p
pm
)
Physical-chemical parametersCopper
0
20
40
60
80
100
120
RO
Cu
(p
pm
)
Physical-chemical parametersZinc
0
10
20
30
40
50
60
70
80
RO
Zn
(p
pm
)
Physical-chemical parametersLead
0
5
10
15
20
25
30
35
40
RO
Pb
(p
pm
)
Physical-chemical parametersManganese
0
200
400
600
800
1000
1200
RO
Mn
(p
pm
)
Physical-chemical parametersIron
0
5000
10000
15000
20000
25000
30000
35000
RO
Fe
(p
pm
)
0100
200300400500
600700800
9001000
0 20 40 60 80 100 120 140 160
P-mobile
K-m
ob
ile
P-mobile – K-mobile regression in the Romanian soil samplesX versus Y PlotX = VAR1, Y = VAR2 from file: Temporary.TEXVariable Mean Variance Std.Dev.VAR1 58.88 2031.53 45.07VAR2 262.85 45963.82 214.39Correlation = 0.5739, Slope = 2.73, Intercept = 102.10Standard Error of Estimate = 175.57Number of good cases = 20
P-mobile – K-mobile regression in the Romanian soil samplesX versus Y PlotX = VAR1, Y = VAR2 from file: Temporary.TEXVariable Mean Variance Std.Dev.VAR1 58.88 2031.53 45.07VAR2 262.85 45963.82 214.39Correlation = 0.5739, Slope = 2.73, Intercept = 102.10Standard Error of Estimate = 175.57Number of good cases = 20
Multiple regression of heavy metals in the Romanian samples
Variables Cu Mn Ni Cd Pb Zn
Cu 1.000 -0.311 0.031 0.411 0.453 0.488 Mn -0.311 1.000 0.225 0.371 0.099 -0.279 Ni 0.031 0.225 1.000 0.301 0.359 0.235 Cd 0.411 0.371 0.301 1.000 0.674 0.163 Pb 0.453 0.099 0.359 0.674 1.000 0.259 Zn 0.488 -0.279 0.235 0.163 0.259 1.000
Correlation matrix
Multiple regression of heavy metals in the Romanian samples
0
0,5
1
1,5
2
2,5
0 20 40 60 80 100 120
Cu (ppm)
Cd
(p
pm
)
Multiple regression of heavy metals in the Romanian samples
0
20
40
60
80
100
120
0 10 20 30 40 50 60 70 80
Zn (ppm)
Cu
(p
pm
)
Multiple regression of heavy metals in the Romanian samples
0
5
10
15
20
25
30
35
40
0 0,5 1 1,5 2 2,5
Cd (ppm)
Pb
(p
pm
)