How can the disabled gardenia blossom again like aged woman?
It was interesting to see a yellowing gardenia today. First of all, you should not ask me the question of ventilation, because this basin is really raised outside. Secondly, don't ask me about watering, because it's all watered on time. But why is it yellowing?
As I said at the beginning, there is no ventilation problem. So why does the gardenia turn yellow? In fact, the reason is very simple: the problem of soil accounts for 90%, followed by the use of fertilizer. All right, let's see how to solve it.
Problems caused by soil completion
There are two reasons for the completion of soil. the first is the poor use of nutritious soil. Gardenia is a slightly sour plant, if you use garden soil, it is easy to cause closure. Secondly, the extensive use of chemical fertilizers can easily lead to the completion of the soil. So the best way to solve such a problem is to change the soil.
Secondly, according to the conservation of nutrients, plants continue to absorb nutrients of nutritious soil. We need effective supplements, but often using chemical fertilizers is easy to cause gardenia soil to complete. At this time, we can add organic nutrient solution, organic matter can improve the structure of the soil, but also regulate PH.
Some people say that for such gardenia, it can be solved by spraying some ferrous sulfate. In fact, it is not right. I tell many people that spraying ferrous sulfate is a temporary cure rather than a permanent cure, and the problem of yellow leaves appears again and again. And the dosage will increase every time, and the frequency will increase again and again. In the end, gardenias will turn yellow. Because ferrous sulfate can add sulfate to gardenia and regulate PH, iron can improve yellow leaves. But if the root and soil problems are not solved, they will eventually die.
The nutrient solution not only has good and high-quality nutrients. It also has the ability to improve and regulate gardenia, promote the growth of roots, adjust the pH value of soil, so as to completely solve the problem of yellow leaves.
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