Fertilizing roses for lush flowering is an important step in complex plant care.
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The need for trace elements
The substances necessary for the timely formation of buds include the following:
- Phosphorus. The use of compositions based on this trace element helps to strengthen the root system of the culture, the formation of large buds of rich color. Phosphorus-containing fertilizers are well absorbed in dissolved form. To do this, it is recommended to water the plant abundantly for several days from the moment the composition is introduced into the soil.
- Potassium. The absence of a deficiency of this trace element contributes to an increase in the number of peduncles on the bushes, the formation of large buds. Rose petals acquire a dense structure. Excess potassium can provoke the development of fungal diseases of the plant.
- Nitrogen. The use of nitrogen-containing products contributes to the rapid adaptation of roses to changes in weather conditions, strengthening their immunity. An excess of a trace element can inhibit the flowering process and cause an intensive build-up of green mass.
Fertilizers for spring feeding of roses
The following phosphorus-based products are especially popular with gardeners:
- Simple superphosphate. The phosphorus concentration in the preparation is 20%. It also contains sulfur, calcium and magnesium. The recommended application rate is 50 g for each bush.
- Double superphosphate. The product contains 40% phosphorus. The recommended processing dose is 30 g per plant.
- "Hera of the Spring". The phosphorus content in the fertilizer is 12%. It also contains nitrogen, potassium, magnesium. Top dressing is recommended in early spring (at the rate of 20 g for each bush).
Among potassium-based drugs, the most commonly used are:
- Potassium sulfate. To prepare the solution, you need to take 20 g of the substance per 10 liters of water.
- Kalimagnesia. The product contains potassium and magnesium. It is used at the rate of 15-20 g per bush. For foliar feeding, it is recommended to use a solution of a lower concentration (10 g of fertilizer per 10 l of water).
- "BIUD". This concentrate is used for foliar treatment of roses (at the rate of 30 ml per 10 liters of water).
- “A barrel and four buckets”. To obtain a liquid composition, dissolve 1 tablet in 50 liters of water.
- Wood ash based products. To prepare the solution, you need to: pour 200 g of ash with 10 liters of boiling water, let it brew for 7 days, strain the resulting composition.
The most popular nitrogen fertilizers among gardeners include the following:
- Urea (contains 46% nitrogen). To prepare a solution for feeding, you need 1 tbsp. l. Dilute fertilizers with 10 liters of water.
- Ammonium nitrate (contains 30% nitrogen and 10% sulfur). To obtain a mixture, it is necessary to dilute 30 g of the drug in 10 liters of water.
- Ammonia. To prepare the composition, you need to dissolve 50 g of the product in 10 liters of water, add 20 g of soap.
To achieve lush flowering, gardeners recommend starting to use the above means in late April - early May. After 2 weeks from the moment of fertilizing the soil, fertilizing should be repeated.
Do you know what to feed roses for lush flowering?
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Read about caring for roses in summer in the following article:How to care for roses in summer: sharing secrets