Plants lack calcium
Symptoms
When the plant lacks calcium, the edge of the leaf will turn yellow and wither in a hooked shape, the growth of the root system is not good, the color of the root tip is brown, and the root will rot, crack and even die p>
Solution
Calcium fertilizer (such as lime) can be applied to potted soil to improve plant growth p>
Plants lack iron
Symptoms
When plants lack iron, the old leaves are still green, but the new leaves turn yellow and the veins remain yellow. Later, the leaves turned yellow and white, and the veins gradually turned yellow. When plants are seriously iron deficient, small spots will appear on the leaves, and the leaves will dry up or even die p>
Solution
Apply fertilizer containing ferrous sulfate to plant roots, or spray foliar fertilizer containing iron on plant leaves p>
Plants lack manganese
Symptoms
When the plant is short of manganese, there are yellowish 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 p>
Solution
Timely apply fertilizer containing manganese to plants p>
Plants lack phosphorus
Symptoms
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, and small purple or red spots will appear. In serious cases, the leaves die p>
Solution
Apply phosphorus fertilizer to the plant p>
Plants lack potassium
Symptoms
The flower leaves appear brown spots, the old leaves are abnormally wrinkled and bent, and the edges are scorched p>
Solution
Supplement the plant with potassium fertilizer p>
Plants lack magnesium
Symptoms
The leaves in the lower half of the plant turn yellow slowly upward, and then the leaves of the whole plant turn yellow, and the leaf veins are still green. If not remedied in time, the leaves will turn brown and die p>
Solution
Apply magnesium fertilizer to the plant p>
Plants lack sulfur
Symptoms
From the veins of the leaves turn yellow, the leaves will slowly appear erythema, and finally lead to the death of the whole plant p>
Solution
Apply sulfur fertilizer to the plant p>
Plants lack boron
Symptoms
The top of the flower stops growing, the new leaves shrink abnormally, the leaf veins turn yellow, the plant growth rate slows down, and the plant will no longer blossom and bear fruit when there is a serious lack of boron p>
Solution
Apply boron containing fertilizer to the plant< span>