Data

2005-2006
A Comparison of Hydroponic and Aquaponic Oxygen Production Systems for Space Travel

Trial 1 - Percent Oxygen Produced

Group	Day 1	Day 2	Day 3	Day 4
Aquaponics	18.9%	26.6%	27.5%	29.3%
Hydroponics	18.8%	27.2%	29.3%	30.6%
Geoponics	18.2%	29.2%	32.3%	30.5%

Trial 2 - Percent Oxygen Produced

Group	Day 1	Day 2	Day 3	Day 4
Aquaponics	28.6%	33.4%	32.3%	26.6%
Hydroponics	29.3%	34.2%	32.2%	28.2%
Geoponics	31.5%	35.9%	36.7%	29.5%

2006-2007
Producing Oxygen for Space Travel: A Comparison of Various Hydroponic Techniques

Trial 1 - Percent Oxygen Produced

Group	Day 1	Day 2	Day 3	Day 4	Day 5	Day 6	Day 7
Top Irrigation	20.4%	20.6%	20.4%	21.1%	20.2%	20.8%	20.4%
Ebb & Flow	20.4%	20.8%	20.5%	20.5%	20.3%	20.9%	20.3%
Passive Subirrigation	20.2%	20.1%	19.8%	20.7%	20.0%	20.2%	20.3%
Geoponics	20.1%	20.2%	18.6%	21.8%	20.4%	20.7%	21.3%

Trial 2 - Percent Oxygen Produced

Group	Day 1	Day 2	Day 3	Day 4	Day 5	Day 6	Day 7
Top Irrigation	20.4%	20.2%	19.1%	21.1%	20.1%	20.3%	20.3%
Ebb & Flow	20.3%	20.3%	18.2%	21.5%	20.6%	20.8%	20.6%
Passive Subirrigation	20.1%	20.0%	19.0%	21.0%	20.1%	20.3%	20.6%
Geoponics	20.2%	18.3%	18.2%	23.2%	20.8%	21.0%	21.1%

2010-2011
A Study of the Effects of Pythium on the Growth and Development of Bibb Lettuce, Lactuca sativa, in a Microgravity Environment

Hydroponics Control

Week 1

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	2	1.93	22.89
2	7	2	1.86	18.80
3	5	2	2.56	21.68
4	5	2	1.34	23.07
5	6	2	1.71	17.79
6	6	2	1.92	21.88
7	7	2	1.53	15.08
8	6	2	2.28	17.71
9	6	2	3.04	15.50
10	6	2	2.13	20.31
11	6	2	1.92	19.07
12	6	2	2.07	19.26
13	6	2	1.91	17.18
14	7	2	1.99	21.14
15	4	2	1.69	15.79
16	6	2	1.95	14.74
17	6	2	1.83	13.71
18	6	2	1.96	16.01
19	7	2	2.08	18.85
20	5	2	1.54	15.63

Week 2

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	3	5.61	29.55
2	6	3	5.21	28.23
3	6	4	6.66	24.17
4	7	3	3.88	19.80
5	6	4	4.62	21.17
6	6	4	4.84	25.92
7	6	3	4.27	21.76
8	6	4	4.64	17.07
9	6	4	6.31	20.42
10	6	3	4.23	26.66
11	6	4	5.51	25.40
12	6	4	4.98	23.80
13	7	3	3.86	20.92
14	6	4	5.15	25.25
15	6	4	5.38	24.99
16	6	3	3.48	19.34
17	6	3	4.21	22.95
18	6	3	5.03	21.42
19	6	4	3.33	27.23
20	6	3	5.86	18.88

Week 3

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	7	6	16.00	26.49
2	6	6	13.05	29.74
3	6	7	14.40	28.81
4	6	5	7.02	21.39
5	6	6	13.29	20.51
6	6	6	13.00	24.97
7	6	6	12.68	22.97
8	6	7	11.06	16.55
9	7	7	12.99	18.07
10	6	6	13.84	34.97
11	6	6	16.97	26.48
12	6	6	14.26	24.27
13	6	6	13.00	23.29
14	7	7	15.68	22.71
15	7	7	17.06	24.27
16	6	6	14.39	23.51
17	6	6	13.28	25.09
18	6	6	14.52	26.20
19	7	7	13.16	27.71
20	6	6	18.01	17.91

Week 4

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	8	25.04	28.86
2	7	9	27.66	25.56
3	6	11	32.12	25.50
4	6	8	23.68	19.33
5	6	10	36.69	19.28
6	6	10	31.62	22.26
7	7	10	36.88	20.54
8	6	10	28.87	15.15
9	7	11	40.06	18.71
10	6	7	21.60	33.52
11	7	10	40.54	21.50
12	7	10	30.51	18.73
13	6	8	28.79	17.36
14	7	12	33.45	21.11
15	7	11	34.14	24.13
16	7	10	35.37	20.38
17	6	9	24.74	21.94
18	7	10	38.79	21.62
19	7	11	33.30	24.85
20	7	11	42.80	19.89

Week 5

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	7	14	54.29	25.00
2	7	15	58.73	22.66
3	7	16	54.08	20.56
4	7	13	48.11	19.84
5	7	16	50.34	19.07
6	7	17	66.87	25.34
7	7	17	50.17	20.99
8	7	18	66.60	18.95
9	7	18	77.30	17.73
10	7	10	30.13	29.02
11	7	19	67.21	19.50
12	7	14	53.01	20.65
13	7	15	66.06	15.90
14	7	20	80.99	20.66
15	7	20	64.55	20.58
16	7	17	62.26	21.59
17	7	15	53.17	22.42
18	7	19	75.61	21.72
19	7	17	65.34	19.84
20	7	19	72.04	15.82

Week 6

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	7	15	67.74	27.94
2	7	16	78.82	24.83
3	7	19	79.74	22.25
4	7	14	72.63	22.23
5	7	17	87.72	21.29
6	7	21	81.94	29.44
7	7	18	80.21	23.85
8	7	19	81.37	26.32
9	7	19	84.34	22.71
10	7	13	51.39	26.73
11	7	22	86.15	24.50
12	7	16	70.45	21.71
13	7	18	92.45	14.61
14	7	21	106.45	19.91
15	7	19	79.41	26.67
16	7	21	95.29	19.96
17	7	15	76.80	24.74
18	7	21	88.18	24.27
19	7	22	81.09	24.60
20	7	25	94.35	19.39

Week 7

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	7	20	87.89	27.56
2	7	25	112.16	26.56
3	7	21	89.21	22.94
4	7	23	93.33	23.53
5	7	29	129.38	25.90
6	7	25	95.55	28.58
7	7	25	115.05	23.29
8	7	26	89.36	25.39
9	7	25	107.51	26.51
10	7	25	102.74	25.70
11	7	26	111.00	28.39
12	7	29	117.16	19.71
13	7	23	95.50	26.53
14	7	22	91.74	24.97
15	7	25	103.97	28.54
16	7	24	115.89	18.70
17	7	27	113.91	22.67
18	7	22	112.13	26.17
19	7	16	79.12	27.76
20	7	26	108.95	25.03

Hydroponics Treatment
Week 1

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	2	1.56	18.30
2	5	2	1.52	16.44
3	5	2	1.57	15.45
4	6	2	1.55	17.93
5	6	2	1.89	18.09
6	6	2	1.52	16.38
7	6	2	1.79	16.42
8	6	2	1.86	14.87
9	6	2	1.77	16.65
10	4	2	1.62	19.33
11	6	2	2.15	18.42
12	6	2	2.01	20.72
13	4	2	1.40	21.73
14	6	2	1.54	16.83
15	6	2	1.70	22.04
16	6	2	1.91	9.86
17	6	2	1.57	18.39
18	5	2	1.16	15.17
19	6	2	1.97	20.93
20	6	2	2.22	12.42

Week 2

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	3	1.86	18.32
2	6	3	3.10	18.49
3	6	3	4.71	20.41
4	6	3	2.79	18.88
5	6	3	4.17	24.05
6	6	3	3.76	20.36
7	6	4	3.95	22.77
8	6	4	4.92	18.87
9	6	4	3.70	21.09
10	6	3	3.37	21.66
11	6	4	5.51	20.53
12	6	3	4.93	26.89
13	7	2	1.74	20.11
14	6	3	4.34	28.53
15	6	3	3.44	20.17
16	7	3	1.99	13.56
17	7	2	2.26	24.28
18	6	3	2.68	18.55
19	6	3	3.65	20.53
20	6	3	3.37	17.87

Week 3

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
3	4	4	4.57	18.62
5	4	4	2.95	23.39
7	4	4	4.35	20.85
8	4	4	4.36	19.55
9	4	4	3.55	18.84
10	4	4	2.81	22.11
11	4	4	3.92	21.39
14	4	4	4.04	27.78
17	5	3	2.27	19.84
18	4	3	2.78	16.43
19	3	3	3.41	19.50
20	4	3	3.23	21.86

No more data following this date. All plants died.


Hydroponics Pythium
Week 1

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	2	1.63	16.64
2	6	2	1.62	20.35
3	6	2	1.85	25.43
4	6	2	1.45	16.97
5	6	2	1.53	14.70
6	6	2	2.00	19.83
7	6	2	1.69	14.86
8	6	2	1.34	15.80
9	6	2	2.15	15.20
10	6	2	1.93	17.62
11	6	2	1.81	15.28
12	6	2	1.96	16.45
13	6	2	1.88	16.07
14	6	2	2.02	17.48
15	6	2	2.02	16.06
16	6	2	1.93	14.72
17	6	2	1.44	14.82
18	6	2	1.44	17.89
19	6	2	2.06	12.92
20	6	2	1.64	13.28

Week 2

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	5	3	5.14	20.90
2	5	3	4.78	21.51
3	5	3	3.11	23.37
4	5	3	3.70	15.32
5	5	3	4.86	17.86
6	5	3	3.12	21.76
7	6	3	2.76	14.03
8	5	3	5.19	17.16
9	6	3	4.09	15.77
10	6	3	3.88	17.25
11	5	3	4.34	18.21
12	5	3	4.59	21.09
13	5	3	4.34	12.06
14	6	3	3.71	18.43
15	5	3	3.89	17.41
16	5	3	4.28	20.75
17	5	3	3.69	20.21
18	5	3	3.57	21.59
19	6	3	3.48	13.03
20	6	3	4.50	21.93

Week 3

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	5	13.40	27.02
2	6	6	17.39	31.15
3	6	6	14.40	27.93
4	6	6	16.93	29.51
5	6	6	17.11	21.07
6	6	6	16.18	22.57
7	6	5	10.44	17.37
8	6	5	17.73	20.48
9	6	6	16.11	15.36
10	6	6	14.56	16.56
11	6	6	15.27	20.98
12	6	5	12.95	24.61
13	6	5	16.10	14.93
14	6	5	13.52	21.42
15	6	6	16.80	21.89
16	6	5	12.23	27.51
17	6	5	13.32	21.30
18	6	6	17.68	28.39
19	6	6	12.46	14.16
20	6	5	11.73	26.31

Week 4

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	8	28.51	22.25
2	6	8	33.23	24.83
3	7	8	29.53	21.78
4	7	9	29.81	25.10
5	7	9	38.51	17.91
7	6	7	27.47	13.08
8	7	9	33.27	16.20
9	7	8	31.42	11.36
10	7	9	30.80	14.28
11	7	8	33.22	15.64
12	6	8	31.61	19.68
13	6	8	34.86	12.08
14	6	7	28.53	19.61
15	7	9	36.18	17.39
16	6	7	22.85	24.18
17	6	7	27.44	16.25
18	7	9	36.21	25.78
19	7	9	28.63	9.84
20	7	7	29.93	22.08

Week 5

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	7	13	59.05	17.52
2	7	13	70.23	21.14
3	7	13	60.91	18.67
4	7	14	56.20	19.40
5	7	16	83.85	17.86
7	7	14	61.92	12.57
8	7	17	81.86	17.62
9	7	16	73.17	12.46
10	7	18	74.01	12.30
11	7	12	60.25	13.99
12	7	13	70.65	16.73
13	7	14	75.00	13.35
14	7	13	67.69	17.52
15	7	17	83.10	19.27
16	7	13	55.09	21.14
17	7	15	73.83	19.40
18	7	18	86.32	12.13
19	7	17	68.87	10.75
20	7	14	70.02	20.05

Week 6

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	7	10	77.46	16.98
2	7	19	102.23	25.29
3	7	18	97.32	19.25
4	7	17	99.44	23.32
5	7	22	105.75	21.24
7	7	19	99.55	10.15
8	7	22	106.91	18.37
9	7	20	99.28	16.28
10	7	23	108.69	14.24
11	7	18	77.36	17.70
12	7	18	102.56	14.56
13	7	20	102.89	16.25
14	7	17	97.66	21.69
15	7	22	109.80	21.50
16	7	16	78.33	20.96
17	7	19	115.03	20.34
18	7	24	104.15	17.17
19	7	24	106.15	8.62
20	7	21	104.57	18.75

Week 7

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	7	19	98.11	20.96
2	7	21	108.54	24.88
3	7	22	107.64	24.00
4	7	22	107.15	21.09
5	7	26	118.47	21.14
7	7	23	118.88	17.05
8	7	26	124.45	18.89
9	7	26	121.19	24.61
10	7	25	116.39	18.33
11	7	22	108.91	22.05
12	7	24	117.34	20.19
13	7	25	114.67	21.62
14	7	22	112.71	20.67
15	7	30	118.45	21.90
16	7	22	112.15	18.74
17	7	29	122.74	15.36
18	7	30	131.21	16.73
19	7	32	130.33	9.67
20	7	28	121.74	20.18

Hydroponics Pythium with Treatment
Week 1

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	2	2.03	14.03
2	6	2	1.67	15.69
3	6	2	1.74	14.50
4	6	2	1.97	16.74
5	6	2	2.06	17.66
6	6	2	2.00	15.07
7	6	2	1.44	14.10
8	6	2	1.56	22.00
9	6	2	1.56	14.79
10	6	2	1.75	15.17
11	6	2	1.31	17.11
12	6	2	1.91	18.58
13	6	2	1.43	17.31
14	6	2	2.11	19.19
15	6	2	1.90	20.30
16	6	2	1.60	18.05
17	6	2	2.74	17.97
18	6	2	2.39	13.92
19	6	2	1.98	15.06
20	6	2	1.83	14.28

Week 2

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	5	3	3.73	16.29
2	6	3	4.41	18.32
3	6	2	2.37	15.81
4	5	3	5.16	23.55
5	5	3	3.43	27.01
6	5	3	4.93	19.88
7	6	3	4.72	23.25
8	5	2	2.20	16.78
9	5	3	3.26	13.78
10	5	3	4.60	12.85
11	5	3	4.42	23.02
12	5	3	4.16	22.49
13	6	3	2.61	28.09
14	5	3	4.40	26.88
15	6	3	2.30	30.71
16	6	3	3.27	17.36
17	6	3	3.93	20.74
18	5	3	6.30	15.51
19	5	3	4.96	16.04
20	5	3	3.14	13.81

No more data following this date. All plants died.


Clinostat Control
Week 1

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	2	2.18	14.79
2	6	2	1.49	18.55
3	7	2	2.30	14.84
4	6	2	2.04	21.67
5	5	2	2.08	15.91
6	6	2	2.04	22.65
7	6	2	2.01	15.71
8	6	2	1.95	15.99
9	7	2	1.98	18.96
10	7	2	1.62	14.88
11	6	2	1.85	15.62
12	6	2	2.13	15.11
13	6	2	2.17	16.46
14	6	2	2.01	22.45
15	6	2	1.62	22.30
16	6	2	1.73	22.28
17	6	2	2.09	19.29
18	6	2	1.86	21.53
19	6	2	2.19	15.26
20	6	2	2.18	18.03

Week 2

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	6	3	2.73	23.46
2	6	4	4.20	19.79
3	6	3	2.53	25.20
4	6	3	3.11	26.25
5	6	4	3.20	25.19
6	6	4	5.20	25.58
7	6	4	5.46	19.36
8	6	3	3.73	20.39
9	7	3	2.44	9.84
10	6	3	2.63	23.23
11	6	3	4.15	20.47
12	6	4	5.74	30.97
13	6	3	3.38	18.29
14	6	3	2.11	25.72
15	7	3	2.35	23.60
16	6	3	3.88	20.78
17	6	3	2.74	24.99
18	6	3	4.75	28.99
19	7	3	2.43	14.54
20	6	4	5.44	25.03

Week 3

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 4

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 5

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 6

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 7

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Clinostat Treatment
Week 1

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1	7	2	1.58	17.32
2	6	2	1.52	21.59
3	6	2	2.22	20.36
4	6	2	1.54	15.36
5	5	2	2.24	18.15
6	6	2	2.48	14.45
7	5	2	2.20	21.55
8	5	2	1.92	15.68
9	7	2	1.84	14.36
10	6	2	1.65	20.19
11	6	2	1.84	18.98
12	6	2	1.92	17.31
13	6	2	2.10	17.11
14	6	2	1.86	16.05
15	6	2	1.57	13.96
16	7	2	1.44	21.45
17	6	2	1.87	14.12
18	6	2	2.04	14.18
19	6	2	2.02	17.93
20	6	2	1.92	20.02

Week 2

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 3

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 4

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 5

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 6

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 7

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Clinostat Pythium
Week 1

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 2

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 3

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 4

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 5

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 6

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 7

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Clinostat Pythium with Treatment
Week 1

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 2

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 3

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 4

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 5

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 6

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Week 7

Number	Leaf Color	Leaf Count	Leaf Width (mm)	Stem Height (mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20