3 benefits of measuring chlorophyll content

Measuring chlorophyll content? Unlock valuable insights with this single measurement:

The measurement of chlorophyll content can yield important information relating to the presence of biotic stress factors as well as abiotic issues such as light, drought, and pigment inhibiting herbicide damage.

Appropriate concentrations of nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sulfur (S), magnesium (Mg) and iron (Fe) are vital for optimum plant growth.

Deficiencies in any of these nutrients can manifest as a reduction in leaf chlorophyll content. An overall depletion of that content reduces the amount of solar radiation that can be absorbed

which in turn limits the efficiency of corresponding photosynthetic processes thus lowering primary photosynthetic production.

The above figure shows the percentage of chlorophyll depletion in Maize and tomato plants in response to specific nutrient deficiency calculated from chlorophyll extraction and spectrophotometer assays (Kalaji et al. 2017)

In agricultural applications, producers are able to gain valuable insights into plant growth and yield potential quickly and efficiently allowing targeted, optimized nutrient fertilization strategies to be developed.

The benefits of this approach can include:

Improved yield through a more photosynthetically efficient crop
A reduction in fertilizer usage
Informed herbicide type and delivery method (for both cost and environmental benefits)

How can I measure chlorophyll content?

Chlorophyll content can be easily measured using a hand-held device such as the CL-01 Chlorophyll Content Meter. Measurements from the CL-01 Chlorophyll Meter correlate highly to chlorophyll extraction assays in determining chlorophyll depletion for N, P, K, Ca, S, Mg and Fe deficiencies (Kalaji et al. 2017).

Based on the findings of Kalaji et al. (2017) and Cassol et al. (2008), the relative chlorophyll units of the CL-01 chlorophyll Content Meter linearly and positively correlate to actual leaf chlorophyll content in mg/g/FM^-1 in many species.

The Hansatech CL-01 Chlorophyll Content Meter : The affordable go-to handheld device for highly accurate measurement of relative chlorophyll content of a leaf sample.

Field Ready

This lightweight handheld device determines relative chlorophyll content using dual-wavelength optical absorbance (620nm and 940nm wavelength) measurements from leaf samples. Relative chlorophyll content is displayed in the range 0 – 2000 units.

Simple 2-button Operation

Measurements take less than half of a second. A maximum of 60 measurements may be saved for individual review or displayed as an average. Leaf samples may be up to a maximum of 127mm wide.

The CL-01 is auto-calibrating and all measurements are temperature compensated to allow for changes of ambient temperature between measurements.

Up to 75 Hours of Operation

An internal rechargeable lithium polymer battery pack provides up to 75 hours of operation with a recharge time of approx. 4 hours using the 12 DC mains battery charger supplied.

CL-01 Chlorophyll Content Meter features:

User-friendly, low-cost chlorophyll content meter
Field-portable, lightweight, robust design
Dual-wavelength optical absorbance (620nm & 940nm)
Chlorophyll content range: 0-2000 units
Measurements in less than half of a second
Simple 2-button operation
Auto-calibration & temperature compensation
60-measurement memory capacity
No PC required

Hansatech CL-01 Chlorophyll Content Meter!

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