Chinese roses turn black after spraying ferrous sulfate
Let me tell you about the knowledge of plants turning black after Chinese roses are sprayed with ferrous sulfate, and share the detailed content next.
Chinese roses turn black after spraying ferrous sulfate
Chinese roses turning black after spraying ferrous sulfate is mostly due to too high a concentration, burning the leaves. In this case, there's no need to worry too much, just cut off the burnt leaves. Note that the next time you spray, control the concentration well. Also, pay attention to the frequency, not too frequent. Generally, once every one or two months during the growing season is fine. In addition, to make it grow vigorously, fertilize frequently to ensure sufficient nutrients.
The above is [] about the explanation of Chinese roses turning black after spraying ferrous sulfate, hoping to bring a little help to your life!
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