Type of soil
|
Concentration (mg/L)
|
||
Phosphate
|
Sulfur
|
Nitrogen
|
|
soil 1
|
0.88
|
64.00
|
4.80
|
soil 2
|
1.35
|
9.00
|
3.10
|
soil 3
|
1.27
|
8.00
|
21.70
|
soil 4
|
1.03
|
6.00
|
4.50
|
soil 5
|
0.91
|
71.00
|
3.37
|
DISCUSSION
From the graph, we
can see that sulfur is higher in soil 1 and soil 5. While the nitrogen has the highest
content in soil 3. But has the lowest content in soil 4. Phosphate has the
highest content in soil 2. But the graph shown that the phosphate content is
not obvious like sulfur and nitrogen.
Pots
|
Dry weight of soil (g)
|
Plant’s height (cm)
|
Amount of leaves
|
Number of
nodules
|
A
|
65
|
0
|
0
|
0
|
B
|
290
|
29.9
|
61
|
9
|
C
|
460
|
27.9
|
65
|
0
|
D
|
400
|
28.0
|
49
|
1
|
E
|
150
|
0
|
0
|
0
|
It is difficult for an expert to understand the soil much better when there is no introduction where each soil were taken.
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