The blueberry, also known as blueberry, is a robust and easy-care berry bush. Nevertheless, it can happen that it lacks nutrients important for he althy development. Since the lack of nutrients affects the harvest, you should ensure an optimal supply of nutrients.
What to do if the blueberry suffers from a nitrogen deficiency?
If there is a nitrogen deficiency, you can help the blueberryin acute caseswithurea fertilization, whereby the fertilizer is applied directly to the leaves. To protect the berry bush in the long term, you should fertilize it regularly and/or have a soil analysis carried out.
How does the blueberry react to a nitrogen deficiency?
If the blueberry suffers from a nitrogen deficiency, it showsvarious symptoms:
- Chlorosis of older leaves (red spots, reddish edge)
- Redness of young shoots
- growth inhibition
- premature flowering
- fewer berries of poor quality
If the nitrogen deficiency is not treated, the leaves of the blueberry bush die. In addition, the yellow color spreads over the entire berry bush.
How can I correct a nitrogen deficiency in blueberries?
InAcute casesIf there is a nitrogen deficiency, the blueberry can be helped byFoliar fertilization with urea With this form of fertilization, you do not add the fertilizer to the soil, but directly on the leaves. This means that the plant food arrives immediately where the blueberry needs it most.
How do I prevent nitrogen deficiency in blueberries?
To prevent a nitrogen deficiency in cultivated blueberries, you shouldfertilize the blueberry bush properly:
- Work a handful of horn shavings into the top layer of soil when planting
- From the second year onwards, fertilize once in spring for leaf emergence and a second time in May
Suitable fertilizers for the berry bush are:
- Honrmehl
- Coniferous compost (conventional compost is not tolerated)
- Coffee grounds
- Rhododendron fertilizer or berry fertilizer with a high nitrogen content (apply early)
Tip
Make sure you have the right substrate
Blueberry bushes that you plant in the garden prefer sandy or slightly boggy soil. The pH value should be between 4 and 5. If you keep the blueberries in a bucket, rhododendron soil is ideal.
