 |
| Depositing potassium nitrate into 1 liter distilled water to make a solution |
 |
| Dissolving Solution |
 |
| Cups Labelled and Solutions Ready |
 |
| Plants in their solutions, Day 1 |
 |
| Day 3 |
 |
| Day 3 again |
 |
| Day 8 |
 |
| Day 8 again |
 |
| Day 10 |
 |
| Day 10 again |
 |
| Day 15 |
 |
| Day 15 again |
 |
| potassium nitrate deficiency |
 |
| potassium nitrate Overdose |
 |
| Healthy looking tomato plant; optimum potassium nitrate levels |
|
Plant Number
|
Total Height (cm)
|
Stem Height (cm)
|
Root Length (cm)
|
|
1
|
24.5
|
9
|
15.5
|
|
2
|
17
|
8
|
9
|
|
3
|
27.5
|
12
|
15.5
|
|
4
|
18
|
10
|
8
|
|
5
|
22
|
10
|
12
|
|
6
|
18.5
|
11
|
7.5
|
|
7
|
28.5
|
12
|
16.5
|
|
8
|
18
|
9
|
9
|
|
9
|
27
|
10
|
17
|
|
10
|
24
|
10
|
14
|
|
11
|
25.5
|
9
|
16.5
|
|
12
|
26.5
|
12
|
14.5
|
|
13
|
26
|
12
|
14
|
|
14
|
23
|
10
|
13
|
|
15
|
24.5
|
11.5
|
13
|
|
Plant Number
|
Total Height (cm)
|
Stem Height (cm)
|
Root Length (cm)
|
|
1
|
25
|
11
|
14
|
|
2
|
18
|
10
|
8
|
|
3
|
29
|
14
|
15
|
|
4
|
19
|
11
|
8
|
|
5
|
23
|
11
|
12
|
|
6
|
20
|
13
|
7
|
|
7
|
30.5
|
13
|
17.5
|
|
8
|
19.5
|
11
|
8.5
|
|
9
|
30.5
|
12.5
|
18
|
|
10
|
27.5
|
13.5
|
14
|
|
11
|
30.5
|
12.5
|
18
|
|
12
|
27
|
12.5
|
14.5
|
|
13
|
26.5
|
12.5
|
14
|
|
14
|
24.5
|
12
|
12.5
|
|
15
|
28.5
|
13
|
15.5
|
|
Plant Number
|
Total Height (cm)
|
Stem Height (cm)
|
Root Length (cm)
|
|
1
|
26
|
12
|
14
|
|
2
|
20.5
|
12.5
|
8
|
|
3
|
29.5
|
15
|
14.5
|
|
4
|
21.5
|
13.5
|
8
|
|
5
|
29
|
14
|
15
|
|
6
|
28
|
15
|
13
|
|
7
|
32
|
16
|
16
|
|
8
|
22
|
14.5
|
7.5
|
|
9
|
35
|
16.5
|
18.5
|
|
10
|
36
|
19
|
17
|
|
11
|
35
|
14.5
|
20.5
|
|
12
|
30
|
17
|
13
|
|
13
|
27.5
|
17
|
10.5
|
|
14
|
25.5
|
13.5
|
12
|
|
15
|
29.5
|
14.5
|
15
|
|
Plant Number
|
Total Height (cm)
|
Stem Height (cm)
|
Root Length (cm)
|
|
1
|
26
|
13.5
|
12.5
|
|
2
|
27.5
|
13
|
14.5
|
|
3
|
30.5
|
19.5
|
11
|
|
4
|
25
|
16
|
9
|
|
5
|
30.5
|
16
|
14.5
|
|
6
|
30
|
17
|
13
|
|
7
|
33.5
|
17.5
|
16
|
|
8
|
24.5
|
15
|
9.5
|
|
9
|
39
|
19
|
20
|
|
10
|
42
|
20.5
|
21.5
|
|
11
|
35.5
|
16
|
21.5
|
|
12
|
31
|
18
|
13
|
|
13
|
32
|
20
|
12
|
|
14
|
26
|
14
|
12
|
|
15
|
29.5
|
14
|
15.5
|
|
Plant Number
|
Total Height (cm)
|
Stem Height (cm)
|
Root Length (cm)
|
|
1
|
31
|
19
|
12
|
|
2
|
28.5
|
16
|
12.5
|
|
3
|
30.5
|
16
|
14.5
|
|
4
|
31
|
17
|
14
|
|
5
|
27.5
|
16
|
11.5
|
|
6
|
33
|
19.5
|
13.5
|
|
7
|
37
|
18.5
|
18.5
|
|
8
|
25.5
|
14.5
|
11
|
|
9
|
45
|
24.5
|
20.5
|
|
10
|
38
|
21.5
|
16.5
|
|
11
|
39.5
|
16.5
|
23
|
|
12
|
33.5
|
22
|
11.5
|
|
13
|
32
|
19.5
|
12.5
|
|
14
|
26
|
13.5
|
12.5
|
|
15
|
29
|
15
|
14
|
