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How to judge what fertilizer you should apply

Posted on May 31, 2022

Plants lack calcium elements

symptom

When the plant lacks calcium elements, the edges of the leaves will appear yellow, withered, and curved, the root system is not good, the root tip color is brown, and the root of the roots will also appear rotten, or even endangered.

Solution

Calcium fertilizer (such as lime) can be applied to potted soil to improve plant growth.

Plants lack iron elements

symptom

When the plant lacks iron, the old leaves are still green, but the new leaves become yellow, and the veins remain yellow. Later, the leaves became yellow and white, and the veins gradually became yellow. When the plant is severe, the leaves will have small spots, and the leaves will dry or even die.

Solution

Apply the root of the plant with fertilizer containing ferrous sulfate, or spray it with leaf fertilizers with iron -containing elements on the plant leaves.

Plants lack manganese elements

symptom

When the plant lacks manganese, there are yellow -brown spots or reddish brown spots on the top of the flower leaves. The leaves are gray -white, and the small spots on the top gradually expand until the leaves wither.

Solution

Timely applying manganese -containing fertilizer for plants.

Plants lack phosphorus

symptom

Plants grow slowly when the phosphorus deficiency, delay in flowering, the color of the leaves becomes dark dark green, the plant loses luster, and a small purple or red spot will appear. In severe cases, the leaves will die.

Solution

Plants apply phosphorus fertilizers.

Plants lack potassium

symptom

Brown spots appear on the leaves of flowers, the old leaves are wrinkled normally, and the edges are scorched.

Solution

Add potassium fertilizers to plants.

Plants lack magnesium

symptom

The plant began to turn yellow slowly from the lower half of the leaves, and then the leaves of the entire plant became yellow, and the veins were still green. Without timely remedy, the leaves will become brown and die.

Solution

Magnesium -containing fertilizers are applied for plants.

Plants lack sulfur

symptom

Starting from the leaf veins of the leaves, the leaves will slowly appear erythema, which will eventually cause the entire plant to die.

Solution

Sulfur -containing fertilizer is applied to the plant.

Plants lack boron elements

symptom

The top of the flower stops growing, the deformity of the new leaf is shrinking, the veins are yellow, the plant growth rate is slow, and the plants will no longer bloom when the boron deficiency is severely deficient.

Solution

Plants apply boron -containing fertilizers.

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