| |
300 ppm |
600 ppm |
900 ppm |
| Plant Name |
Number of
Studies |
Arithmetic
Mean |
Standard
Error |
Number of
Studies |
Arithmetic
Mean |
Standard
Error |
Number of
Studies |
Arithmetic
Mean |
Standard
Error |
| Oak, Chapman's [Quercus chapmanii] |
3 | 278.7% | 90.8% |
| | |
| | |
| Oak, Cork [Quercus suber] |
4 | 46.8% | 13.7% |
| | |
| | |
| Oak, Durmast [Quercus petraea] |
6 | 53.2% | 18.7% |
| | |
| | |
| Oak, Holly [Quercus ilex] |
4 | 38% | 4.8% |
| | |
| | |
| Oak, Mongolian [Quercus mongolica] |
12 | 59.2% | 12.5% |
| | |
| | |
| Oak, Northern Red [Quercus rubra] |
8 | 58.5% | 22.2% |
| | |
| | |
| Oak, Pedunculate [Quercus robur] |
8 | 30.6% | 12.8% |
| | |
| | |
| Oak, Sand Live [Quercus geminata] |
7 | 9.7% | 4% |
| | |
| | |
| Oak, White [Quercus alba] |
6 | 146.7% | 30.1% |
| | |
| | |
| Oatgrass, Tall [Arrhentherum elatius] |
7 | 18.6% | 9.6% |
| | |
| | |
| Oat, Red [Avena sativa] |
15 | 40.6% | 15.4% |
| | |
| | |
| Oat, Slender [Avena barbata] |
6 | 22.8% | 5.8% |
| | |
| | |
| Oat, Wild [Avena fatua] |
8 | 32.9% | 8.4% |
| | |
| | |
| Ocimum basilicum [Sweet Basil] |
2 | 41% | 14.8% |
| | |
1 | 21% | 0% |
| Okra [Abelmoschus esculentus] |
1 | 8% | 0% |
| | |
| | |
| Olea europaea [Olive Tree] |
6 | 35.2% | 14.1% |
| | |
| | |
| Oligostachyum lubricum [Bamboo] |
2 | 20.5% | 1.8% |
| | |
| | |
| Olive Tree [Olea europaea] |
6 | 35.2% | 14.1% |
| | |
| | |
| Onion [Allium cepa] |
8 | 28.9% | 6.4% |
1 | 40% | 0% |
| | |
| Onobrychis viciaefolia [Sainfoin] |
1 | 21% | 0% |
| | |
| | |
| Opuntia ficus-indica [Prickly Pear] |
9 | 38.2% | 13.3% |
| | |
| | |
| Orchardgrass [Dactylis glomerata] |
15 | 18.3% | 4.3% |
| | |
| | |
| Orchid Herb [Eupatorium stoechadosmum] |
3 | 15.3% | 5.2% |
| | |
| | |
| Orchid, Tropical [Bulbophyllum longissimum] |
4 | 15.5% | 13.7% |
| | |
| | |
| Oregano [Oreganum vulgare] |
2 | 75% | 17% |
| | |
| | |
| Oreganum vulgare [Oregano] |
2 | 75% | 17% |
| | |
| | |
| Orobanche minor [Hellroot] |
1 | 0% | 0% |
| | |
| | |
| Orontium aquaticum [Goldenclub] |
12 | 19.8% | 3% |
| | |
| | |
| Oryza glaberrima [African Rice] |
13 | 20.7% | 3.2% |
| | |
| | |
| Oryza sativa [Rice] |
428 | 33.3% | 1.5% |
22 | 141% | 37.5% |
3 | 34.3% | 3% |
| Oryzopsis hymenoides [Perennial Bunchgrass] |
1 | 0% | 0% |
| | |
| | |
| Osmanthus heterophyllus [Holly Osmanthus] |
| | |
| | |
1 | 0% | 0% |
| Osmanthus, Holly [Osmanthus heterophyllus] |
| | |
| | |
1 | 0% | 0% |
| Osteospermum ecklonis [African Daisy] |
| | |
4 | 39% | 8.2% |
| | |
