What is EC?

Electrical conductivity or “EC” is a measure of the concentration of “total salt” in a nutrient resolution (drip, plate or drain).
It is expressed as milliSiemens per linear centimeter (mS/cm) or microSiemens per linear centimeter (mS/cm), where 1mS = 1000µS. The conductivity of a given solution varies with temperature, so most nutrient answer analyses are carried out at 20oC.
The greater the concentration of “total salt” in the substrate, the higher the EC. Inorganic fertilizer ions such as N, P, K, Ca, Mg, and so on. are examples. Urea is an organic molecule and will not contribute to the EC of the answer because it does not conduct electrical energy like calcium (Ca) ions or nitrates. Nitrogen (NO3-N) ions can.
Ec in crops

The EC required for optimum plant development depends on the crop and variety grown, the physiological stage of plant development and the prevailing environmental conditions inside and outdoors the greenhouse.
Why is it essential to monitor EC?

The EC of the nutrient answer impacts the expansion and development of the plant. In the winter, higher EC is used as a end result of it limits water uptake. As a result, the cells in the plant don’t elongate or “grow” an excessive quantity of. They keep smaller and have thicker, stronger cell walls. The crops then look darker, shorter and have smaller leaves. In this case, the plant places relatively extra energy into the formation of flowers and fruits (a manufacturing reaction). If the EC is simply too low under poor gentle circumstances (i.e. winter), the plant will produce too much leaf progress and too little fruit growth, and will due to this fact be over-nourished.
Conversely, high EC beneath excessive gentle circumstances (summer) will prohibit water uptake an excessive amount of and thus limit the plant’s capability to chill itself through transpiration. As a outcome, the crop will be stressed.
EC additionally impacts yield and fruit quality. In basic, larger EC in the root zone surroundings leads to decrease yields and smaller fruit dimension. This is as a outcome of the cells within the fruit take in much less water, resulting in lower fresh weight. However, greater EC results in higher fruit taste. Therefore, a compromise should be made between fruit quality, yield, and the dietary and reproductive improvement of the crop.
Therefore, it is essential to keep the right EC in the root zone surroundings (measured because the distinction between slab EC and drip EC.) The value of EC varies for each crop type and time of year.
Monitoring EC within the slab

Monitoring EC in plates is an important part of weekly diet monitoring and should be carried out daily. For a significant and correct assessment, sampling should be carried out in a number of consultant plates. Sampling is simple by merely pushing a syringe into the plate and withdrawing a small amount of nutrient resolution (100 ml), which is then placed into the cup of the EC meter for direct studying. The EC values are calculated and plotted on a graph so that developments may be more simply identified.
Tips for correct EC measurements with transportable meters

Calibrate the EC meter periodically utilizing a normal resolution.
Check the battery standing, low battery in transportable EC meters is usually the trigger of errors.
Take measurements at the similar time each day so that outcomes may be interpreted extra simply.
Store the meter in a cool, dry place.
Read more:
Conductivity: How to transform mS/cm to uS/cm

Difference between conductivity(EC) and TDS

What is residual chlorine?

What is turbidity?
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What is EC?

Electrical conductivity or “EC” is a measure of the focus of “total salt” in a nutrient solution (drip, plate or drain).
It is expressed as milliSiemens per linear centimeter (mS/cm) or microSiemens per linear centimeter (mS/cm), the place 1mS = 1000µS. The conductivity of a given resolution varies with temperature, so most nutrient answer analyses are performed at 20oC.
The greater the concentration of “total salt” within the substrate, the higher the EC. Inorganic fertilizer ions corresponding to N, P, K, Ca, Mg, and so forth. are examples. Urea is an organic molecule and received’t contribute to the EC of the answer as a result of it does not conduct electricity like calcium (Ca) ions or nitrates. Nitrogen (NO3-N) ions can.
Ec in crops

The EC required for optimum plant development depends on the crop and selection grown, the physiological stage of plant improvement and the prevailing environmental situations inside and out of doors the greenhouse.
Why is it essential to watch EC?

The EC of the nutrient resolution affects the growth and growth of the plant. In the winter, larger EC is used because it limits water uptake. As a outcome, the cells within the plant do not elongate or “grow” too much. pressure gauge octa stay smaller and have thicker, stronger cell walls. The vegetation then look darker, shorter and have smaller leaves. In this case, the plant places relatively extra vitality into the formation of flowers and fruits (a production reaction). If the EC is simply too low underneath poor gentle conditions (i.e. winter), the plant will produce too much leaf development and too little fruit progress, and will due to this fact be over-nourished.
Conversely, high EC beneath excessive mild situations (summer) will prohibit water uptake an extreme amount of and thus limit the plant’s ability to cool itself through transpiration. As ไดอะแฟรม , the crop will be stressed.
EC additionally affects yield and fruit quality. In common, larger EC within the root zone surroundings results in decrease yields and smaller fruit dimension. This is as a result of the cells in the fruit absorb less water, resulting in decrease recent weight. However, greater EC leads to better fruit flavor. Therefore, a compromise have to be made between fruit quality, yield, and the dietary and reproductive improvement of the crop.
Therefore, you will need to preserve the right EC within the root zone surroundings (measured as the distinction between slab EC and drip EC.) The worth of EC varies for every crop kind and time of 12 months.
Monitoring EC in the slab

Monitoring EC in plates is an important part of weekly vitamin monitoring and ought to be performed daily. For a meaningful and correct assessment, sampling should be carried out in multiple representative plates. Sampling is simple by simply pushing a syringe into the plate and withdrawing a small quantity of nutrient answer (100 ml), which is then positioned into the cup of the EC meter for direct reading. The EC values are calculated and plotted on a graph so that trends may be more simply identified.
Tips for accurate EC measurements with moveable meters

Calibrate the EC meter periodically utilizing a normal solution.
Check the battery status, low battery in transportable EC meters is usually the cause for errors.
Take measurements at the similar time each day so that outcomes can be interpreted more easily.
Store the meter in a cool, dry place.
Read more:
Conductivity: How to transform mS/cm to uS/cm

Difference between conductivity(EC) and TDS

What is residual chlorine?

What is turbidity?