falling leaves of lemon tree

Question

One of my lemon trees, which is growing in large pot, is dropping leaves and giving no fruit. Age of the plant is four years.

Answer 1

Here are several articles to help you track down the source of your lemon problems: https://www.gardeningknowhow.com/edible/fruits/lemons/lemon-tree-leaf-drop.htm
https://www.gardeningknowhow.com/edible/fruits/lemons/growing-lemon-trees-containers.htm
https://www.gardeningknowhow.com/edible/fruits/lemons/lemon-tree-not-fruiting.htm