A method of planting test plots of different seeds in a field includes loading a multi-row planter with a first seed, and traversing the field and planting a test plot of the test plot of the first seed in a portion of the test field; automatically removing the first seed from the multi-row planter and loading a second seed into the multi-row planter, and traversing the field and planting a test plot of the test plot of the second seed in the field.