Many people sometimes forget that fruit trees need quality fertilizers before winter comes.
In this case, the apple tree will survive the cold and delight you with an excellent harvest.
The timing of fertilization may vary depending on the weather. The time of the last fertilization is quite easy to determine. Look at the weather forecast.
Determine the actual frost date and apply nutrients at least 14 days before that date.
You can often hear about using ash as a final top dressing for apple trees. But this choice cannot be called the best. Such top dressing will not cover the needs of fruit trees for nutrients.
You can pay attention to compost or humus. These options are considered the best in this matter.
Ten liters of fertilizer are taken per tree. If we are talking about mature apple trees, then the amount of compost and humus can be increased to 15 liters.
You can also consider options for complex autumn fertilizers that are intended for fruit trees.