A method for increasing crop yield using plant growth regulators is disclosed. The invention relates to plant growth regulators including but not limited to auxins, cytokinins, gibberellins, ethylene and abscisic acid and any combination thereof. Auxin forms include but are not limited to phenoxy herbicide, phenoxy herbicide esters, and herbicides mixed with surfactants and fertilizers. The invention relates to the application of the plant growth regulators to seed, soil and seedlings. The invention further relates to using different application rates and combinations of the plant growth regulators to seeds, soil, seedlings and plants.
