Abstract: In one aspect of the present invention, an apparatus for determining the location of rows of seedlings planted during agricultural production is provided. The apparatus senses the position of a planting machine 102 during a planting operation. The apparatus transforms the planting machine position to seedling row locations and creates a database of the locations.In another aspect of the present invention, a method for determining the location of row of seedlings planted during agricultural production is provided. The method includes the steps of planting seedlings using a planting machine, sensing the position the planting machine and transforming the machine position to seedling row locations.