Plant growth regulator and a method of using the same

1. A plant growth regulator comprising:

a ferrocenyl polymer composition,

a polyaryl ether nitrile-carbonyl iron magnetic material,

a polysaccharide composition,

silica nanoparticles, and

an amino acid powder.

2. The plant growth regulator of claim 1 , wherein

a content of the ferrocenyl polymer composition is 20-100 parts by weight of the plant growth regulator,

a content of the polyaryl ether nitrile-carbonyl iron magnetic material is 20-100 parts by weight of the plant growth regulator,

a content of the polysaccharide composition is 2-10 parts by weight of the plant growth regulator,

a content of the silica nanoparticles are 2-10 parts by weight of the plant growth regulator, and

a content of the plant-based amino acid powder is 20-80 parts by weight of the plant growth regulator.

3. The plant growth regulator of claim 1 , wherein the ferrocenyl polymer composition comprises:

a polymer selected from the group consisting of a ferrocenyl oxime polymer, a ferrocenyl hydrazone polymer, and a ferrocenyl amide polymer; and

a rare earth metal salt.

4. The plant growth regulator of claim 3 , wherein the rare earth metal salt is a lanthanum salt, a scandium salt, a yttrium salt, a praseodymium salt, or a holmium salt.

5. The plant growth regulator of claim 1 , wherein the amino acid powder is a plant-based amino acid powder.

6. A method of growing a plant comprising applying the plant growth regulator of claim 1 .

7. The method of claim 6 , wherein the plant is a food crop, a cash crop, a vegetable crop, a fruit, and a fodder crop.

8. The method of claim 6 , wherein the plant growth regulator is mixed with a fertilizer in an amount of 1 to 5 wt % of the fertilizer.

9. The plant growth regulator of claim 1 , wherein the silica nanoparticles have an average particle size of 20-30 nm.

10. The plant growth regulator of claim 1 , wherein the silica nanoparticles have an average particle size of 30 nm.