Bougainvillea not blooming? Be brave enough to pluck the leaves and control these two things well, and it will bloom abundantly

Bougainvillea is a very common flowering plant, and its blooming period is fairly long. As long as its environment is suitable and it is managed properly, it can be said to bloom continuously all year round. This one you see here.
One, a friend is growing it on the rooftop. A while ago the leaves grew very lush.
It bloomed not a single flower. Following my method, after a period of manipulation and controlling these two points well.
Now it is blooming abundantly. There is no need to talk about sunlight, it is in the sun all day long. The key is water control and watering, you must grasp this degree.
Usually pay attention to how dry the soil is. When the soil is dry, do not rush to water it. This is exactly what we need, to let its soil stay dry.
How do we do water control at this time? In order not to let the leaves waste nutrients, be brave enough to "pluck off its leaves, leaving only some young shoots. At this time we use monopotassium phosphate, one gram of monopotassium phosphate mixed into 800 ml of water, then give it one watering. After watering well, continue to control water and let the soil dry out.
Once it is dry, observe again that its leaves have wilted, then water once more with monopotassium phosphate diluted in water, repeating this four or five times in a row.
I hope your bougainvillea can bloom so much it fills the pot.