How to enhance the root growth of citrus plants?

Question

Any fertilizers growth regulators and other methods which can enhance the root growth of citrus plants

Answer 1

Try a vitamin B1 solution - you can purchase this at a garden supply center.

Answer 2

dont laugh at my ans, i tried it once sever water in it , it will grow v. fast and have that enhanced look, u can also urinate on it, that might also increase it. pure logic its all uric acid