There are many reasons why the leaves of the trees turn yellow in spring. If it is caused by cold climate, it needs to be placed in a warm place or bagged for heat preservation; if it is caused by sun exposure, it needs to be properly shaded or moved to a half shade place; if it is caused by too much water, it needs to be drained in time, taken out of the basin and trimmed the root, and then replanted with dry soil; if it is caused by insufficient nutrients, it needs to apply a little compound fertilizer , fully diluted before fertilization.
