From: Electrical impedance spectroscopy (EIS) in plant roots research: a review
Method | References | Plant | Growth substrate | Concern | Frequency range (Hz) | No. of plant |
---|---|---|---|---|---|---|
Single-frequency EC method | [18] | Maize | Hydroponics | Root number | 1 k | 15 |
[19] | Maize | Pot Sand | Root wet weight, Root dry weight, Root length, Root surface area | 800 | 24 | |
[20] | Carrot Sunflower Sunflower | Field Sand Sand | Root wet weight | 1 k | 113 15 15 | |
[21] | Carrot | Field | Root wet weight | 1 k | 92 | |
[22] | Tomoto | Hydroponics | Root dry weight | 1 k | 12 | |
[23] | Sunflower | Pot Sand | Root wet weight | 1 k | 12 | |
[24] | Acalypha | Hydroponics | Root wet weight | 1 k | 5 | |
[35] | Maize Maize | Pot vermiculite Field | Root wet weight Root wet weight | 1 k | 32 36 | |
[25] | Barley | Hydroponics | Root wet weight | 1 k | 16 | |
[26] | Barley | Pot chernozem | Root dry weight | 1 k | 67 | |
[36] | Bean | Pot Sand | Root dry weight, Root length, Root surface area | 1 k | 19 | |
soybean | Pot perlite | Root dry weight, Shoot dry weight, Root/shoot ratio | 1 k | 40 | ||
[29] | Maize Soybean | Pot chernozem | Root activity, SWC | 1 k | 30 | |
[30] | Wheat Soybean Maize | Pot Pumice or arenosol | Cadmium contamination, alkaline stress, drought, weed competition | 1 k | 12 20 10 | |
[31] | wheat | Pot Rhyolite and vermiculite | Salinity-alkalinity stress | 1 k | 20 | |
[32] | Cucumber Corn Soybean Wheat | Pot pumice, arenosol, chernozem, pumice | Salinity-alkalinity stress | 1 k | 30 | |
[33] | Stipa borysthenica Crepis rhoeadifolia | Sand Calcaric arenosol | Root activity, SWC | 1 k | 12 | |
[34] | Maize | Pot arenosol | Root dry weight, stem cross-sectional area | 1 k | 12 |