A simple way to detect micronutrient deficiencies in trees
The lack of trace elements in trees affects the entire plant. You can determine the lack of color, shape, the presence of spots on the leaves, the size of the foliage.
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Lack of nitrogen
Leaves can tell about a lack of nitrogen. They become small, pale green. Shoots are formed short and thin, plants bloom weakly, ovaries fall.
To compensate for the lack of nitrogen, 20 grams of nitrogen fertilizer per meter, around the trunk circle, must be introduced into the soil. If there are no signs of a deficiency, then we introduce a dose 2 times smaller. Urea also works effectively. Need to do her foliar top dressing. Dilute the solution as follows, take 10 g of the composition per 10 liters of water.
If the tree does not have enough potassium, then the leaves will have a deep dark green color, they will give a bronze tint. Spots appear, the leaves turn yellow, turn brown, and then the tissues begin to die off at the edges. Edge burns form. The next step is the appearance of wrinkles between the veins, all tissues lose turgor. The fruits ripen for a long time, they themselves are small.
Magnesium sulfate or kalimagnesia will help to fill the deficiency. You need to make 50 g per square meter. Wood ash also helps.
If there is not enough magnesium?
The leaves of the plants become light green, since chlorophyll is poorly formed. The leaf begins to turn yellow over time, and then violet and red color begins to appear along the edges of the veins. If the leaf is old, then light green spots form on it, which become yellowish-brown. After stains appear, the leaf falls off.
Helps from a lack of magnesium - magnesium sulfate. You need to feed 50 g per square meter next to the trunk circle.
With a lack of phosphorus, the leaves become smaller, turn dark green, blacken when dried. Fruits grow acidic; their quality is poor. With a lack of phosphorus, signs begin to appear from the bottom of the tree crown.
Superphosphate will help eliminate shortages. But remember to apply fertilizer only at the norm, as much as the tree needs.
Observing garden trees will help you learn about the lack of trace elements.
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