Tag
TDS
The pH and electro-conductivity values specified here are given as a broad range. It should be noted that specific plant requirements will vary according to regional climatic conditions, and from season to season within that region. These values are intended for Hydroponic plants only (soil grown plants will differ). Electro-Conductivity (EC) or Conductivity Factor (cF) can be expressed as either milliSiemens (mS), cF, or parts per million (PPM) 1 mS = 10cF = 700ppm.
| Plants | pH | cF | EC | PPM |
| Artichoke | 6.5-7.5 | 8-18 | 0.8-1.8 | 560-1260 |
| Asparagus | 6.0-6.8 | 14-18 | 1.4-1.8 | 980-1260 |
| Bean (Common) | 6.0 | 20-40 | 2-4 | 1400-2800 |
| Beetroot | 6.0-6.5 | 8-50 | 0.8-5 | 1260-3500 |
| Broad Bean | 6.0-6.5 | 18-22 | 1.8-2.2 | 1260-1540 |
| Broccoli | 6.0-6.5 | 28-35 | 2.8-3.5 | 1960-2450 |
| Brussell Sprout | 6.5-7.5 | 25-30 | 2.5-3.0 | 1750-2100 |
| Cabbage | 6.5-7.0 | 25-30 | 2.5-3.0 | 1750-2100 |
| Capsicum | 6.0-6.5 | 18-22 | 1.8-2.2 | 1260-1540 |
| Carrots | 6.3 | 16-20 | 1.6-2.0 | 1120-1400 |
| Cauliflower | 6.0-7.0 | 5-20 | 0.5-2.0 | 1050-1400 |
| Celery | 6.5 | 18-24 | 1.8- 2.4 | 1260-1680 |
| Cucumber | 5.8-6.0 | 17-25 | 1.7-2.5 | 1190-1750 |
| Eggplant | 5.5-6.5 | 25-35 | 2.5-3.5 | 1750-2450 |
| Endive | 5.5 | 20-24 | 2.0-2.4 | 1400-1680 |
| Fodder | 6.0 | 18-20 | 1.8-2.0 | 1260-1400 |
| Garlic | 6.0 | 14-18 | 1.4-1.8 | 980-1260 |
| Leek | 6.5-7.0 | 14-18 | 1.4-1.8 | 980-1260 |
| Lettuce | 5.5-6.5 | 8-12 | 0.8-1.2 | 560-840 |
| Marrow | 6.0 | 18-24 | 1.8-2.4 | 1260-1680 |
| Okra | 6.5 | 20-24 | 2.0-2.4 | 1400-1680 |
| Onions | 6.0-6.7 | 14-18 | 1.4-1.8 | 980-1260 |
| Pak-choi | 7.0 | 15-20 | 1.5-2.0 | 1050-1400 |
| Parsnip | 6.0 | 14-18 | 1.4-1.8 | 980-1260 |
| Pea | 6.0-7.0 | 8-18 | 0.8-1.8 | 980-1260 |
| Pepino | 6.0-6.5 | 20-50 | 2.0-5.0 | 1400-3500 |
| Peppers | 5.8-6.3 | 20-30 | 2.0-3.0 | 1400-2100 |
| Bell peppers | 6.0-6.5 | 20-25 | 2.0-2.5 | 1400-1750 |
| Hot Peppers | 6.0-6.5 | 30-35 | 3.0-3.5 | 2100-2450 |
| Potato | 5.0-6.0 | 20-25 | 2.0-2.5 | 1400-1750 |
| Pumpkin | 5.5-7.5 | 18-24 | 1.8-2.4 | 1260-1680 |
| Radish | 6.0-7.0 | 16-22 | 1.6-2.2 | 840-1540 |
| Spinach | 5.5-6.6 | 18-23 | 1.8-2.3 | 1260-1610 |
| Silverbeet | 6.0-7.0 | 18-23 | 1.8-2.3 | 1260-1610 |
| Sweet Corn | 6.0 | 16-24 | 1.6-2.4 | 840-1680 |
| Sweet Potato | 5.5-6.0 | 20-25 | 2.0-2.5 | 1400-1750 |
| Taro | 5.0-5.5 | 25-30 | 2.5-3.0 | 1750-2100 |
| Tomato | 5.5-6.5 | 20-50 | 2.0-5.0 | 1400-3500 |
| Turnip | 6.0-6.5 | 18-24 | 1.8-2.4 | 1260-1680 |
| Zucchini | 6.0 | 18-24 | 1.8-2.4 | 1260-1680 |
As a general rule, plants will have a higher nutrient requirement during cooler months, and a lower requirement In the hottest months. Therefore, a stronger nutrient solution should be maintained during winter, With a weaker solution during summer when plants take up and transpire more water than nutrients.
pH-EC-TDS-PPM-CF ranges for Vegetables was last modified: December 11th, 2020 by admin
The pH and electro-conductivity values specified here are given as a broad range. It should be noted that specific plant requirements will vary according to regional climatic conditions, and from season to season within that region. These values are intended for Hydroponic plants only (soil grown plants will differ). Electro-Conductivity (EC) or Conductivity Factor (cF) can be expressed as either milliSiemens (mS), cF, or parts per million (PPM) 1 mS = 10cF = 700ppm.
| Plants | pH | cF | EC | PPM |
| Basil | 5.5-6.5 | 10-16 | 1.0-1.6 | 700-1120 |
| Chicory | 5.5-60 | 20-24 | 2.0-2.4 | 1400-1600 |
| Chives | 6.0-6.5 | 18-22 | 1.8-2.4 | 1260-1540 |
| Fennel | 6.4-6.8 | 10-14 | 1.0-1.4 | 700-980 |
| Lavender | 6.4-6.8 | 10-14 | 1.0-1.4 | 700-980 |
| Lemon Balm | 5.5-6.5 | 10-16 | 1.0-1.6 | 700-1120 |
| Marjoram | 6.0 | 16-20 | 1.6-2.0 | 1120-1400 |
| Mint | 5.5-6.0 | 20-24 | 2.0-2.4 | 1400-1680 |
| Mustard Cress | 6.0-6.5 | 12-24 | 1.2-2.4 | 840-1680 |
| Parsley | 5.5-6.0 | 8-18 | 0.8-1.8 | 560-1260 |
| Rosemary | 5.5-6.0 | 10-16 | 1.0-1.6 | 700-1120 |
| Sage | 5.5-6.5 | 10-16 | 1.0- | 700-1120 |
| Thyme | 5.5-7.0 | 8-16 | 0.8-1.6 | 560-1120 |
| Watercress | 6.5-6.8 | 4-18 | 0.4-1.8 | 280-1260 |
As a general rule, plants will have a higher nutrient requirement during cooler months, and a lower requirement In the hottest months. Therefore, a stronger nutrient solution should be maintained during winter, With a weaker solution during summer when plants take up and transpire more water than nutrients.
pH-EC-TDS-PPM Ranges for Herbs was last modified: December 11th, 2020 by admin