Fertilizing cherries carried same fertilizer in the same periods. It is a component of the care of the trees, allowing them to develop properly, to give a bountiful harvest and prepare for winter cold.
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deficit signs and rules of dressing
Signs that the tree needs certain elements:
- phosphorus - little if formed flower buds, leaves become less bright and crumble berries;
- Magnesium - if small shoots and leaves, crown color faded, appeared brown edging on the leaves;
- potassium - if the leaves are shrinking, the fruits are unattractive and too simple taste, can worsen frost;
- nitrogen - with yellowing leaves and slow development;
- calcium - if the tree develops poorly, bitter pit sick.
The trees are fed through the roots or through the leaves. It is necessary to take into account the rules of the fertilizer application:
- dressing evenly distributed in the tree trunks;
- before you apply fertilizer, watering trees: Adult cherries or cherries need 60 liters of water, for 2-5 year olds - to 30 liters;
- The older trees, the greater the area under them for fertilizer application;
- young trees are fed with 2-3 years after planting;
- up to 5 years, while the crown is formed, the plants need the most growth promoters, the remaining fertilizers are applied in the minimum amount;
- If a young tree grows in a year is less than 50 cm, so it lacks nutrients.
Fertilizer in spring and summer
Spring means are used which contain nitrogen. At 1 m circle around-trunk fruit trees used any of the drugs in such quantity:
- urea (dry) - 20-30 g;
- ammonium nitrate (dry) - 15-25 g;
- Ammonium sulfate (dry) - 30-40 g;
- urea - 30-40 g per 10 liters.
Calculating the necessary amount of agent, it is divided into 2 parts, and 60% is made up to flowering, and 40% - after partial shedding ovary.
Nitrogen-containing fertilizers dissolve quickly, they do not need to plug deep into the ground.
Between rows in early spring sown green manure (phacelia, pea, oat, and others.). After the formation of green mass is made under mowing and trees. It improves soil fertility.
Before flowering make foliar feeding on the young shoots. options:
- 20-30 g urea per 10 liters of water - for stimulating growth;
- 0.3 g of succinic acid in 10 l water - to improve the taste of fruit;
- 10 ml of the preparation "Bio-mineralis" and 30 ml of the product "Micro-mineralis" 10 liters of water, this agent also protects the fruit against decay.
During flowering solution poured 1 liter of slurry and glass 1 ash 10 liters of water. Under the trees 4-7 years poured 10 liters, for older - up to 3 buckets.
After flowering trees watered solution nitroammophos based - 1,5 matchbox dry mixture per 10 liters of water.
Formulations containing nitrogen is not used in the second half of the summer, and in northern - June. Otherwise autumn shoots will continue to grow, the tree will not produce the cambium required for lignification, and you are ready to frost.
Autumn feeding
Work is carried out when the trees will drop leaves. Basically make preparations containing potassium and phosphorus:
- a 2-4 year old - Potassium sulfate (25 g in a bucket of water) and superphosphate (50 g per 1 m²);
- 4-7- under summer trees - superphosphate (300 g) and triple superphosphate (150 g);
- sulfate or potassium chloride (100-120 g);
- wood ash (1.5 kg per 1 m²).
Dung is used in 2-3 years, 2-4 kg per 1 m² for digging to a depth of 15-20 cm. Nutrients are absorbed from it progressively.
Stone fruits grow well in soil with a pH of 6.5-7. Therefore, in autumn digging added ground limestone, slaked lime or peat ash: in acidic soil suspenchatuyu - 0.2-0.3 kg, and heavy loam - 0.7 kg per 1 m². Lime and organic matter used with a break of 2 weeks.
In the autumn of last year apply compost rotted leaves. It is not only fertilizer, but also protect the soil from drying out and frost.
Developing fertilizing scheme, it is important to bear in mind that overdose harm plants. For example, excess nitrogen causes chlorosis and potassium supersaturation - abscission of leaves and ovaries. Cherries as cherries, better underfeeding.
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