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Deficiency and excess trials infosheets

Last year we conducted deficiency and excess in tomato, bell pepper, strawberry, and cucumber. Find the infosheets with the deficiency and excesses symptoms here!

Adjusted opening hours public holidays 2026

On the following days in 2026 our company is closed due to public holidays:

Webinar Plant Sap and Plant Health

So you want to expand your knowledge on plant nutrient uptake and plant health in relation to plant sap analysis? In January we will be hosting another online masterclass!

Vlogs deficiency excess trials cucumber

In our fertilization trial, we’re testing how plants respond to both deficiencies and excesses of various nutrients. The deficiencies and excesses we were able to induce are shown in our vlogs.

Vlogs deficiency excess trials tomato

In our fertilization trial, we’re testing how plants respond to both deficiencies and excesses of various nutrients. We highlight the induces deficiencies and excesses in our vlogs.

Vlogs deficiency excess trials pepper

In our fertilization trial, we’re testing how plants respond to both deficiencies and excesses of various nutrients. In our vlogs wehighlight the deficiencies and excesses in we were able to…

Vlogs deficiency excess trials strawberry

In our fertilization trial, we’re testing how plants respond to both deficiencies and excesses of various nutrients. In our vlogs Sabine Robbenhighlights the most important deficiencies and…

Article 'Extra potassium is not always the solution against blotchy fruit'

Nutritional elements play a crucial role in fruit quality. However, the root cause of a problem is sometimes not the commonly assumed deficiency of a specific nutrient.

Updated target values

On the analysis report, green bar indicators are visible, which serve as an indication of plant health. These are our target values.

S-Loa 2025

For sending samples, outside EU to NovaCropControl, use the updated S-loa 2025! For complete information check also the shipment guide.

Tip burn in lettuce: Calcium or Potassium deficiency?

Last year, we conducted a trial to look into the causes of tipburn in lettuce.

Vlog: Mildew Susceptibility Trial

We're busy doing trials on Mildew susceptibilty in tomato, to better understand the relation between nutrition and plant health.

Infosheet pepper deficiency symptoms

In the summer of 2024, we conducted a deficiency trial for peppers in our poly-greenhouse research facility. The goal of this trial was to induce deficiencies for P, K, Mg, Mn, Zn & B.

Research results on Plant sap analyses in grapes

The past months our consultant Eric Hegger has been diving in to the different elemental interactions in grape, based on the data we have collected over the years in combination with…

Vlog: Plant health research on aphids carried out by interns at NovaCropControl

Our interns are currently conducting a 20-week research project at NovaCropControl diving into the relations between nutrition and plant health.

Infosheet deficiency symptoms in cucumber

In the summer of 2024, we conducted a deficiency trial for cucumbers in our poly-greenhouse research facility. The goal of this trial was to induce deficiencies for N, P, K, Mg, Mn, Zn & B.

Vlog: Lettuce trial tipburn

In this vlog you can find more information on our tipburn trial in lettuce, performed in our poly-greenhouse research facility. With the goal to reduce the issue of tipburn in lettuce cultivation…

Vlog: pepper deficiency trial

In this vlog you can find more information on our pepper deficiency trial, performed in our poly-greenhouse research facility. The trial focussed on showcasing defiencies in phosphorus, potassium,…

Vlog: Cucumber deficiency trial

In this vlog you can find more information on our cucumber deficiency trial, performed in our poly-greenhouse research facility. The trial focussed on showcasing defiencies in nitrate, phosphorus,…

Preparing nutrient solutions

Correctly preparing nutrient solutions is the basis for a good nutrient balance within the plant. This involves various factors such as the composition of the fertilizers, the order of addition and…

NovaCropControl Vlogs

Do you want to stay informed of the latest developments of NovaCropControl? Keep an eye on our socials!

Flowerboostchallenge

April 3rd we went out with 2700 bouqeuts of Dutch tulips from Koomen Bloembollen Ens to thank all health care workers of the ETZ hospital in

Deficiency experiment with maize

This fall we did an experiment with maize to gain more knowledge about this crop. The deficienties were clearly visible! Contact us if you have interest in sampling maize!

Influence of P and Mn on the Fe uptake

We had already expected this, but now we have been able to confirm it through a test that we carried out on a tomato plant. Phosphorus and manganese inhibit iron uptake!

Nitrogen uptake test strawberries

During the graduation assignment of Arno van den Bogert and Tim Weijs we looked at how far the nitrogen can be reduced in an Elsanta strawberry cultivation.

Test results

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