Require Help With Kumquat Tree

Question

Yellowing leaves. Can these trees be pruned? They are 12 years old. Become too big for the garden bed.

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Answer 1

It is very hard to see from the photo. Close ups of the leaves will be telling of the exact deficiency. In the meantime, you will need to do a soil test. This will tell you, exactly, what the tree needs.

Here are some articles that will help:

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm

https://www.gardeningknowhow.com/edible/fruits/kumquat/growing-kumquat-trees.htm