18
Plant
EC (mS/cm)
Asparagus
1.5 - 2.0
Watermelon
1.5 - 2.5
Carrot
1.5 - 2.0
Cabbage
2.0 - 3.0
Cucumber
2.0 - 3.0
Crysanthemum
1.5 - 2.5
Onion
1.5 - 2.0
Bean
2.0 - 2.5
Strawberry
2.0 - 2.5
Lettuce
1.0 - 1.5
Eggplant
2.5 - 3.0
Melon
1.5 - 2.5
Potato
2.0 - 3.0
Pepper
2.0 - 3.0
Pea
1.0 - 1.5
Tomato
2.5 - 5.0
Celery
2.0 - 2.5
Marrow
2.0 - 2.5
Recommended soil EC for selected vegetable crops.
Note: The values on this table refer to measurement
of a saturated media extract (SME). See Appendix
3 for information on converting from direct-insert
readings to SME.
Appendix 1
Preferred EC Values
for Selected Plants
