When the plant is lack of calcium, the edge of the leaves will turn yellow and wither, showing a crooked shape. The growth of the root system is not good, the color of the root tip is brown, and the root will rot and crack, or even be on the verge of dying.
Calcium fertilizer (such as lime) can be applied to potted soil to improve plant growth.
When plants lack iron, the old leaves are still green, but the new leaves turn yellow and the veins remain yellow. Later, the leaves turn yellow and white, and the veins turn yellow. When iron deficiency is serious, the leaves will appear small spots, wither and even die.
Apply ferrous sulfate fertilizer to the roots of plants, or apply ferrous fertilizer to the leaves of plants.
When the plant is short of manganese, there are yellow brown spots or red brown spots on the top of the flower leaves. The leaves are gray and white, and the small spots on the top gradually expand until the leaves wither.
Apply manganese fertilizer to plants in time.
When the plant is short of phosphorus, it grows slowly, the flowering period is delayed, the leaf color becomes dark green, the plant loses luster, there will be purple or red spots, and the leaf will die in serious cases.
Apply phosphorus fertilizer to the plant.
Flower leaves appear brown spots, old leaves are not normal wrinkle bending, edge scorched.
Add potassium fertilizer to the plant.
The leaves of the whole plant turn yellow and the veins are still green. If not remedied in time, the leaves will turn brown and die.
Apply magnesium fertilizer to the plant.
From the leaf vein part of the yellow, leaves will slowly appear erythema, eventually leading to the death of the whole plant.
Apply sulphur fertilizer to the plant.
Flower top stop growing, new leaf malformed atrophy, yellow vein, plant growth rate slowed down, serious boron deficiency when the plant no longer flowering and bearing.
Apply boron fertilizer to the plant.
